Dissertations / Theses: 'Facets of contact'

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Vandlen, Kimberly A. "A Nonlinear Contact Algorithm Predicting Facet Joint Contribution in the Lumbar Spine." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1236608927.

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Andrade, Tatiana Guimarães Ferraz. "As novas faces da subordinação no contrato de trabalho." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/2/2138/tde-29102012-135506/.

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Este trabalho é voltado ao estudo das novas nuances da subordinação no contrato de trabalho, diante das transformações no modo de produção em razão da globalização e do advento de novas tecnologias. Para justificar a pertinência do estudo, demonstra-se a equivalência entre a livre iniciativa e o valor social do trabalho, de modo que a economia e o trabalho devam caminhar juntos, evitando-se desequilíbrios no sistema. Diante disso, faz-se necessário abordar a evolução histórica do subordinação dentro do direito do trabalho, bem como as definições do trabalho subordinado e os critérios empregados pela jurisprudência, diante das lacunas da lei. Consolidado o estudo da subordinação, procede-se à análise dos fatores externos que levaram as modificações no mundo do trabalho, como a recessão econômica da década de 70, os processos de globalização e a consequente automação dos modos de produção. Tais fatores levaram à criação de novas formas de prestação de serviço, que não se adequam ao padrão do trabalho subordinado, mas, ao mesmo tempo, não podem ser consideradas como autônomas, em sua integralidade. Assim, gera-se uma evasão social de trabalhadores marginalizados da proteção adequada, já que não se encaixam ao modelo praticado pelo direito do trabalho, dividido entre trabalho subordinado e autônomo. Nesse cenário, apresentam-se propostas da doutrina e jurisprudência para solucionar o problema e adequar os critérios de subordinação à realidade do trabalho. This dissertation aims to study the new forms of subordinations in labour contract, due to the transformation in the way of production after globalization and the introduction of new technologies. In order to justify the importance of the study, it demonstrates the equivalence between free enterprise and the social value of work, so that economy and work shall walk together, avoiding disturbance at the system. Furthermore, it is necessary to refer to the historical evolution of subordination into labour law, as well as the definition of subordinate work and the criteria used by jurisprudence, considering the lack of law. Once established the study of subordination, it will proceed to the analysis of external factors that provoked modification in work, as the 70s economical recession, globalization process and automation of the ways of production. These factors conducted to the creation of new forms of services, which are not adjusted to subordinate work pattern, but at the same time, cannot be considered as full self-employed. Indeed, it generates a social evasion of employees, marginalised form correct protection, as they do not fit to the model practised by labour law, which is divided between subordinated work and self-employed. Finally, it presents proposals from doctrine and jurisprudence in order to give a solution to the problem, and adequate the subordination criteria to work reality.

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Sandri, Gustavo Luiz. "Automated non-contact heart rate measurement using conventional video cameras." reponame:Repositório Institucional da UnB, 2016. http://dx.doi.org/10.26512/2016.02.D.21118.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Elétrica, 2016. Conforme o sangue flui através do corpo de um indivíduo, ele muda a forma como a luz é irradiada pela pele, pois o sangue absorve luz de forma diferente dos outros tecidos. Essa sutil variação pode ser capturada por uma câmera e ser usada para monitorar a atividade cardíaca de uma pessoa. O sinal capturado pela câmera é uma onda que representa as variações de tonalidade da pele ao longo do tempo. A frequência dessa onda é a mesma frequência na qual o coração bate. Portanto, o sinal capturado pela câmera pode ser usado para estimar a taxa cardíaca de uma pessoa. Medir o pulso cardíaco remotamente traz mais conforto pois evita o uso de eletrodos. Também permite o monitoramento de uma pessoa de forma oculta para ser empregado em um detector de mentira, por exemplo. Neste trabalho nós propomos dois algoritmos para a estimação da taxa cardíaca sem contato usando câmeras convencionais sob iluminação não controlada. O primeiro algoritmo proposto é um método simples que emprega um detector de face que identifica a face da pessoa sendo monitorada e extrai o sinal gerado pelas mudanças no tom da pele devido ao fluxo sanguíneo. Este algoritmo emprega um filtro adaptativo para aumentar a energia do sinal de interesse em relação ao ruído. Nós mostramos que este algoritmo funciona muito bem para vídeos com pouco movimento. O segundo algoritmo que propomos é uma melhora do primeiro para torná-lo mais robusto a movimentos. Nós modificamos o método usado para definir a região de interesse. Neste algoritmo é utilizado um detector de pele para eliminar pixels do plano de fundo do vídeo, os frames dos vídeos são divididos em micro-regiões que são rastreados com um algoritmo de fluxo ótico para compensar os movimentos e um algoritmo de clusterização é aplicado para selecionar automaticamente as melhores micro-regiões para efetuar a estimação da taxa cardíaca. Propomos também um esquema de filtragem temporal e espacial para reduzir o ruído introduzido pelo algoritmo de fluxo ótico. Comparamos os resultados dos nossos algoritmos com um oxímetro de dedo comercial e mostramos que eles funcionam bem para situações desafiadoras. As the blood flows through the body of an individual, it changes the way that light is irradiated by the skin, because blood absorbs light differently than the remaining tissues. This subtle variation can be captured by a camera and be used to monitor the heart activity of a person. The signal captured by the camera is a wave that represents the changes in skin tone along time. The frequency of this wave is the same as the frequency by which the heart beats. Therefore, the signal captured by the camera could be used to estimate a person’s heart rate. This remote measurement of cardiac pulse provides more comfort as it avoids the use of electrodes or others devices attached to the body. It also allows the monitoring of a person in a canceled way to be employed in lie detectors, for example. In this work we propose two algorithms for non-contact heart rate estimation using conventional cameras under uncontrolled illumination. The first proposed algorithm is a simple approach that uses a face detector to identify the face of the person being monitored and extract the signal generated by the changes in the skin tone due to the blood flow. This algorithm employs an adaptive filter to boost the energy of the interest signal against noise. We show that this algorithm works very well for videos with little movement. The second algorithm we propose is an improvement of the first one to make it more robust to movements. We modify the approach used to define the region of interest. In this algorithm we employ a skin detector to eliminate pixels from the background, divide the frames in microregions that are tracked using an optical flow algorithm to compensate for movements and we apply a clustering algorithm to automatically select the best micro-regions to use for heart rate estimation. We also propose a temporal and spatial filtering scheme to reduce noise introduced by the optical flow algorithm. We compared the results of our algorithms to an off-the-shelf fingertip pulse oximeter and showed that they can work well under challenging situations.

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Barnett, Adrienne Elise. "Contact at all costs? : domestic violence child contact and the practices of the family courts and professionals." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/8753.

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This thesis explores the practices and perceptions of the courts and professionals in child contact proceedings where domestic violence is an issue and the implications of this for mothers, with particular reference to Practice Direction 12J which establishes the framework for best practice to be followed in such proceedings. In-depth interviews were undertaken with 29 family lawyers and Cafcass officers covering a broad geographic and demographic area, and the reported cases to which the Practice Direction applies were reviewed. The resulting data were analysed utilising discourse analytic and qualitative approaches, drawing on a feminist poststructuralist approach and also insights from autopoietic theory. It was found that the ‘presumption of contact’ and an acontextual, legalistic approach to domestic violence reinforce each other and have a powerful normative influence on professional and judicial perceptions and practices. Dominant parental subjectivities of ‘implacably hostile mothers’ and ‘safe family men’ continue to resonate with many courts and professionals, who focus on promoting contact rather than safeguarding mothers and children. Despite more judges and professionals gaining a broader understanding of the coercively controlling nature of domestic violence, only recent, very severe physical violence warrants the holding of fact-finding hearings on disputed allegations and provides sufficiently ‘cogent’ reasons for family lawyers to support mothers in opposing contact and for courts to refuse contact. The notion that domestic violence is morally reprehensible and a significant failure in parenting, and that women’s desires for safety, wellbeing and autonomy are morally legitimate, finds very little expression. This study concludes that in order to regain a valid and authoritative voice for women in current family law we need to expose and disrupt law’s construction of the ‘scientific truth’ about children’s welfare, the dominant parental subjectivities to which it gives rise, and the ‘safe haven’ of law’s ideal post-separation family.

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Meirelles, Laura Célia Fernandes [UNESP]. "O impacto do preparo, da cerâmica e do contato oclusal na distribuição de tensões em facetas." Universidade Estadual Paulista (UNESP), 2014. http://hdl.handle.net/11449/127629.

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Made available in DSpace on 2015-09-17T15:24:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-12-02. Added 1 bitstream(s) on 2015-09-17T15:47:32Z : No. of bitstreams: 1 000843143.pdf: 1842870 bytes, checksum: 17eef18d8303e51e77d82360b9f3de64 (MD5) O objetivo do estudo foi verificar a distribuição de tensões nas facetas cerâmicas confeccionadas com dois tipos de material: feldspato e dissilicato de lítio em quatro diferentes tipos de preparos limitados ao esmalte dental: (1) vestibular; (2) vestibular com redução incisal; (3) vestibular com cobertura incisal e (4) estendido, em duas situações oclusais: carga aplicada no terço incisal e no terço médio palatino, obtidas por meio de análise por elementos finitos. Os modelos tridimensionais foram realizados no software CAD Rhinoceros 4.0® utilizando um arquivo stl (estereolitografia) de um incisivo central superior, com dimensões médias encontradas na literatura, onde foram simuladas as condições utilizadas para realização de um teste experimental. Os modelos foram compostos por esmalte, dentina, polpa, poliéter (para simular ligamento periodontal), cerâmica e base e foram submetidos a cargas de 100 N sob angulação de 45º em relação ao plano oclusal. O pré-processamento e pós-processamento foram realizados pelo programa de elementos finitos Ansys® v.13.0. Os resultados foram apresentados em gráficos de tensão máxima principal, com seus respectivos valores numéricos representados em escala de cores. A análise de elementos finitos mostrou que os desenhos mais conservadores apresentaram uma melhor distribuição de tensão nos laminados cerâmicos de dissilicato de lítio em comparação à cerâmica feldspática, no entanto, a mais alta concentração de tensão foi encontrada nas facetas desse mesmo material no grupo estendido quando submetido à carga no terço médio palatino. O tipo do contato oclusal causou diferente distribuição de tensão entre os diferentes tipos de preparos, sendo que, o contato incisal promoveu uma maior concentração de tensão nas facetas realizadas com ambos materiais exceto no preparo estendido confeccionado com a porcelana de dissilicato de lítio The purpose of this study was to verify the stress distribution in the ceramic veneers made with two types of porcelain: feldspathic and lithium disilicate in four different design types limited to dental enamel:(1) buccal preparation, (2) buccal preparation with incisal reduction, (3) buccal preparation with coverage incisal and (4) extended preparation in two different occlusal situations: load on the incisal third and the middle third palatine, through mathematical finite element method. Three-dimensional CAD models were performed in CAD Rhinoceros 4.0® using a stl file of a maxillary central incisor with average dimensions found in the literature, where conditions used for conducting an experimental test. The models were composed of enamel, dentin, pulp, polyether (to simulate the periodontal ligament), and ceramic base and underwent loads of 100 N under an angle of 45 degrees to the occlusal plane in the incisal and middle thirds of the palatal tooth region. Preprocessing and post processing by ANSYS® version 13.0 finite element program were performed. The results were presented in plots by principal maximum stress with their respective numerical values represented by the color scale. The finite element analysis showed that for the most conservative designs present a better stress distribution on veneers of lithium disilicate, nevertheless, the higher tensile stresses concentrations were found on veneers of same material for group subjected to palatal chamfer design when subjected to load in the middle third palate. The type of occlusal contact contact caused different distribution of tension among the different types of preparations design, and the incisal contact promoted higher stress concentration in both facets except the extended preparation performed with porcelain lithium disilicate

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Meirelles, Laura Célia Fernandes. "O impacto do preparo, da cerâmica e do contato oclusal na distribuição de tensões em facetas /." São José dos Campos, 2014. http://hdl.handle.net/11449/127629.

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Orientador: Clovis Pagani Co-orientador: Alexandre Luiz Souto Borges Banca: Eduardo Bresciani Banca: Eron Toshio Colato Yamamoto Resumo: O objetivo do estudo foi verificar a distribuição de tensões nas facetas cerâmicas confeccionadas com dois tipos de material: feldspato e dissilicato de lítio em quatro diferentes tipos de preparos limitados ao esmalte dental: (1) vestibular; (2) vestibular com redução incisal; (3) vestibular com cobertura incisal e (4) estendido, em duas situações oclusais: carga aplicada no terço incisal e no terço médio palatino, obtidas por meio de análise por elementos finitos. Os modelos tridimensionais foram realizados no software CAD Rhinoceros 4.0® utilizando um arquivo stl (estereolitografia) de um incisivo central superior, com dimensões médias encontradas na literatura, onde foram simuladas as condições utilizadas para realização de um teste experimental. Os modelos foram compostos por esmalte, dentina, polpa, poliéter (para simular ligamento periodontal), cerâmica e base e foram submetidos a cargas de 100 N sob angulação de 45º em relação ao plano oclusal. O pré-processamento e pós-processamento foram realizados pelo programa de elementos finitos Ansys® v.13.0. Os resultados foram apresentados em gráficos de tensão máxima principal, com seus respectivos valores numéricos representados em escala de cores. A análise de elementos finitos mostrou que os desenhos mais conservadores apresentaram uma melhor distribuição de tensão nos laminados cerâmicos de dissilicato de lítio em comparação à cerâmica feldspática, no entanto, a mais alta concentração de tensão foi encontrada nas facetas desse mesmo material no grupo estendido quando submetido à carga no terço médio palatino. O tipo do contato oclusal causou diferente distribuição de tensão entre os diferentes tipos de preparos, sendo que, o contato incisal promoveu uma maior concentração de tensão nas facetas realizadas com ambos materiais exceto no preparo estendido confeccionado com a porcelana de dissilicato de lítio Abstract: The purpose of this study was to verify the stress distribution in the ceramic veneers made with two types of porcelain: feldspathic and lithium disilicate in four different design types limited to dental enamel:(1) buccal preparation, (2) buccal preparation with incisal reduction, (3) buccal preparation with coverage incisal and (4) extended preparation in two different occlusal situations: load on the incisal third and the middle third palatine, through mathematical finite element method. Three-dimensional CAD models were performed in CAD Rhinoceros 4.0® using a stl file of a maxillary central incisor with average dimensions found in the literature, where conditions used for conducting an experimental test. The models were composed of enamel, dentin, pulp, polyether (to simulate the periodontal ligament), and ceramic base and underwent loads of 100 N under an angle of 45 degrees to the occlusal plane in the incisal and middle thirds of the palatal tooth region. Preprocessing and post processing by ANSYS® version 13.0 finite element program were performed. The results were presented in plots by principal maximum stress with their respective numerical values represented by the color scale. The finite element analysis showed that for the most conservative designs present a better stress distribution on veneers of lithium disilicate, nevertheless, the higher tensile stresses concentrations were found on veneers of same material for group subjected to palatal chamfer design when subjected to load in the middle third palate. The type of occlusal contact contact caused different distribution of tension among the different types of preparations design, and the incisal contact promoted higher stress concentration in both facets except the extended preparation performed with porcelain lithium disilicate Mestre

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Sane, Juha. "Maxillofacial and dental injuries in contact team sports." Helsinki : Käpylä Print Oy, 1988. http://catalog.hathitrust.org/api/volumes/oclc/19274356.html.

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Valman, Matilda. "Three faces of HELCOM - institution, organization, policy producer." Doctoral thesis, Stockholms universitet, Statsvetenskapliga institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-108455.

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Despite early initiatives during the 1960s and 1970s, and continuing efforts ever since, the Baltic Sea remains in poor condition. The Helsinki Commission (HELCOM) is the governing body tasked with protecting the marine environment from further deterioration through intergovernmental collaboration between the Baltic Sea states and the EU. In 2007, HELCOM launched a new tool – the Baltic Sea Action Plan (BSAP), of which the so-called ecosystem approach is a cornerstone. However, how and why the BSAP reform was launched, and also what consequences such management reforms can have for transboundary resource management, is unknown. By using institutional theory, organizational theory and the advocacy coalition framework, in combination with content analysis of official documents derived from HELCOM, this thesis argues that the BSAP is the end result of a gradual process of change within institutional structures and actor beliefs. This thesis also shows that HELCOM's capacity to detect, process, and react in response to changes in its regulatory objective has not changed as a consequence of the BSAP. In contrast to earlier research, it seems HELCOM responds better to slow and opaque changes than to quick and visible ones. Finally, by comparing HELCOM with two other similar cases, the thesis shows that HELCOM's adaptive capacity could be improved in line with the recommendations of the ecosystem approach. This thesis illustrates the importance of studying the emergence of new tools for governing transboundary resources from several theoretical perspectives. The thesis uses an innovative quantitative content analysis and concludes that new methods might be required to enable such studies. The different perspectives used here give various explanations concerning the causes and consequences of the BSAP. In a future Baltic Sea, where environmental changes are likely to be abrupt, a multitude of understandings regarding the governance of the Baltic Sea will be crucial. At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 2: Submitted. Paper 3: Submitted. Paper 4: In press.

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Kok, Rumando. "Exploring mindfulness in self–injuring adolescents in a psychiatric setting / R. Kok." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4865.

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This study explored mindfulness in eight self–injuring psychiatric adolescents. A concurrent triangulation mixed–method design was used. In–depth semi–structured clinical interviews and clinical records constituted the qualitative data, while quantitative data was gathered using the Five–Facet Mindfulness Questionnaire (FFMQ). Thematic analysis was used to generate themes and subthemes for both selfinjury and mindfulness. Findings regarding self–injury were in line with the literature. In terms of mindfulness, two groups emerged: one sometimes acting mindfully and the other often acting mindfully. Both similarities and differences were found between the groups. Similarities in self–injuring behaviour can be explained by their similar scores on Observe and Nonreact, while the differences can be explained by the differences in their scores on Describe, Act with Awareness and Nonjudge. Those who sometimes act mindfully tend to be more self–critical, report more severe and lethal self–injuring episodes and more often use self–injury for self–punishment. Although those who often act mindfully self–injure more often, they show more selfcompassion and report less severe injuries and less lethal methods. Future research should explore the usefulness of mindfulness–based interventions, especially teaching Nonjudge and Nonreact skills, to not only increase mindfulness, but to decrease selfinjuring behaviour. Seeing that this is an exploratory study on a small sample, the results presented here should be considered to be preliminary until replicated with a larger clinical sample. Thesis (M.A. (Clinical Psychology))--North-West University, Potchefstroom Campus, 2011.

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Lima, André Neves. "Comprometimento organizacional e satisfação: um estudo de perfis de comprometimento dos Fuzileiros da Armada Portuguesa." Master's thesis, Instituto Superior de Ciências Sociais e Políticas, 2016. http://hdl.handle.net/10400.5/12783.

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Dissertação de Mestrado em Politicas de Desenvolvimento em Recursos Humanos As práticas nas organizações militares e as características contextuais dos militares constituem enorme potencial para as ciências sociais. Neste estudo investigou-se a Satisfação no Trabalho por facetas e o Comprometimento Organizacional com base numa abordagem multidimensional e numa perspetiva de perfis dos militares. Pretendeu-se verificar como se posiciona a satisfação nos perfis identificados e se há ou não diferenças de satisfação entre os perfis. O estudo é composto por uma amostra de 331 militares do Corpo de Fuzileiros. Para recolha de dados utilizou-se os questionários de satisfação interna, adotado pelo Sistema de Gestão de Recursos Humanos da Marinha e composto por seis dimensões e um questionário que mede o comprometimento organizacional através de três subescalas. Através de análise de cluster identificou-se seis perfis de comprometimento diferentes. Os resultados são variados e permitiram analisar as relações estabelecidas entre os perfis identificados e os diferentes níveis de satisfação de cada um deles. Os perfis de indivíduos não comprometidos e dominante calculativos apresentaram os resultados mais baixos de satisfação com a generalidade das facetas medidas. Também, conforme esperado, os perfis dos indivíduos fortemente comprometidos demonstraram os resultados mais elevados de satisfação. Por outro lado, verificou-se que os indivíduos afetivamente ligados à organização são os menos satisfeitos com as diferentes facetas medidas. O presente estudo proporcionou uma análise em que se concluíram algumas inconsistências acerca do conhecimento generalizado entre o relacionamento da satisfação no trabalho com perfis de comprometimento organizacional, sugerindo uma orientação de pesquisas futuras para uma melhor compreensão acerca do complexo relacionamento dos constructos em estudo. The practices in the military organizations and the military contextual characteristics hold a serious potential for the social sciences. In this study it’s investigated the facets of Job Satisfaction and the Organizational Commitment in a multidimensional boarding base and in a military profiles perspective. It is intended to observe how does the satisfaction poses into the identified profiles and if is there any differences between the profiles. The study is composed by a sample of 331 militaries of Corpo de Fuzileiros. For data collect it was used the internal job satisfaction survey, adopted by Marinha human resources system and it’s composed by six dimensions of satisfaction. For Organizational Commitment it was used a questionnaire which has three subscales. Using cluster analyses it was identified six different profiles groups of organizational commitment. The results are varied and allow analyzing the established relationships between the profiles identified and the distinct satisfaction levels observed. The non commited and calculative dominant profiles shown the lowest scores with the generality facets of satisfaction measured. Also, as expected, the fully committed individual’s profiles showed the highest scores of satisfaction. On the other hand, it was found that the individuals affectively linked to the organization are the less satisfied with the different satisfaction facets. The present study provided some kind of analyze concluding some inconsistencies about the generalized knowledge between the relationships of job satisfaction and organizational commitment profiles, suggesting new guide lines for future research to better understand of this two constructs. N/A

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Walker, Pamela M. "Own- versus other-race face perception : social contact and the human brain." Thesis, University of Oxford, 2006. http://ora.ox.ac.uk/objects/uuid:2d79e338-7197-40e4-a9d5-94d160125c45.

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The experiments in this thesis used behavioural measures and event-related potentials (ERPs) to investigate the influence of race on face processing in the brain. Previous behavioural research has highlighted an own-race effect in face processing, whereby individuals are more accurate at recognizing own-race compared to other-race faces. The current Thesis examined the own-race effect at perceptual and neural levels. Social influences on the own-race effect were also investigated, such as other-race experience, anxiety and implicit social bias, as these may account for differential own- versus other-race face processing. The main aim of the experiments contained in this thesis was to delve deeper into the examination of own and other-race face perception through a series of original experiments. Participants performed a variety of perceptual discrimination and identification tasks, and completed measures of explicit other-race experience and implicit racial bias to record their perceptions of other-race individuals. Chapters 2-4 saw the development of a new paradigm that tested the own-race effect in perception, in contrast to traditional recognition memory investigations. In Chapter 2 the own-race effect was investigated developmentally and found across three age-groups, and was larger in the two older age-groups. Chapters 3 and 4 found that the own-race effect differed across racial groups, and that social variables such as other-race experience influenced the strength of the own-race effect. In the latter experimental chapters, ERPs revealed that the behavioural own-race effect was evident at a neural level. Chapter 7 demonstrated that face-related stages of processing in the brain were sensitive to race of face. In Chapters 8 and 9, the sensitivity of face processing to own and other-race emotional expression processing was also examined. The additional social factor of emotional expression was explored in order to further the investigation of socially relevant information processing from the face. Findings from the last two experimental chapters demonstrated differential emotional face processing for own- versus other-race faces. Confirming the findings of the behavioural experiments, own- versus other-race emotion processing varied across racial groups and was subject to social influences such as other-race experience, intergroup anxiety and implicit racial bias. Overall, behavioural and neural investigations of the own-race effect demonstrated the influence of social variables such as other-race experience, intergroup anxiety and implicit racial bias on the way in which individuals processed own- versus other-race faces in the human brain.

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Arellano, Tavara Diana Di Lorenza. "Visualization of Affect in Faces based on Context Appraisal." Doctoral thesis, Universitat de les Illes Balears, 2012. http://hdl.handle.net/10803/84078.

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Virtual Characters are more than avatars capable of expressing emotions and interact with the users. Virtual Characters should be seen as a very reliable representation of a human being, capable of expressing all the possible affective traits after the appraisal and evaluation of what is happening around and inside them. They should feel and express what they are feeling; they should convince you they are “real”. To achieve this level of believability several researchers have proposed different computational and affective models, as well as graphical techniques to simulate expressions, gestures, behavior or voice. All this state of art has provided us with sufficient data and information to see what else needs to be done. As a result, we propose a contextual and affective framework that allows the generation of the context that surrounds the character as well as the simulation of its psychological characteristics like preferences, standards, personality, or admiration for other agents. Moreover, the framework proposes novel and implementation independent techniques for the visualization of emotions and mood. Through experimentation we come up with a set of head-position/eye-gaze configurations that are perceived as certain personality traits, we validate the generation of expressions for moods, and assessed the feasibility of the context generation through movie scenes, which translated into our system, triggered the same emotions and elicit the same facial expressions as in the movie. This research is a step forward in the creation of more believable virtual characters, by pointing out other elements that should be considered when creating characters that can be used in affective HCI applications, storytelling, or virtual worlds for entertainment (e.g. Videogames) or for therapies (e.g. in therapies with autistic children). Hablar de personajes virtuales implica hablar de mucho más que avatares capaces de expresar emociones e interactuar con los usuarios. Los personajes virtuales deberían ser vistos como una representación fidedigna de los seres humanos, capaces de expresar un amplio rango de rasgos afectivos después de haber analizado y evaluado qué ocurre fuera y dentro de ellos. Deben sentir y expresar lo que sienten de tal forma que logren convencer que son reales. Para alcanzar este nivel de credibilidad gran cantidad de investigadores han propuesto diferentes modelos afectivos y computacionales, así como técnicas en gráficos para simular expresiones, gestos, comportamientos y voz. Todo este trabajo previo nos ha permitido obtener suficientes datos para analizar qué más se puede hacer en esta área. Como resultado, proponemos una metodología que permite la generación automática del contexto que rodea al personaje, así como la simulación de sus características psicológicas como preferencias, estándares, personalidad, o admiración por otros agentes. Más aún, se presentan novedosos algoritmos independientes de la implementación para la visualización de emociones y humor. Mediante experimentos y test que miden el grado de percepción en los usuarios asociamos un conjunto de configuraciones “orientación de la cabeza/dirección de la mirada” a rasgos de personalidad, y validamos el método para generar expresiones de humor. También evaluamos la habilidad de la generación de contexto usando escenas de películas, obteniendo el mismo set de emociones y expresiones faciales que en dichas películas. Finalmente, cabe destacar que este trabajo de investigación es un paso hacia adelante en la creación de personajes más creíbles, ya que indica qué elementos deberían tomarse en cuenta al momento de crear personajes virtuales que puedan ser usados en aplicaciones Interacción persona-ordenador, cuentacuentos, o mundos virtuales destinados al entretenimiento (videojuegos) o fines médicos (terapias con niños autistas)

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Leguina, Ruzzi Adrian Antonio. "Multidimensional facets of cultural distinction in the music domain : context, methods, and meanings." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/multidimensional-facets-of-cultural-distinction-in-the-music-domain-context-methods-and-meanings(731d7382-5a11-4689-a790-96fef6a77e60).html.

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From different traditions, research in the field of sociology of cultural taste and consumption has argued that contemporary societies are symbolically stratified through cultural engagement. These theoretical frameworks differ mainly in their explanations of the mechanisms that shape the relationship between culture and social stratification. Motivated by concepts from Pierre Bourdieu, Richard A. Peterson, and other key scholars, this thesis is focused on addressing the relationship between music consumption and social stratification. Due to its peculiar characteristics, music provides a good illustration of how people, through cultural engagement, draw boundaries that symbolically differentiate social groups. Although literature in the area has made great progress, there are still theoretical and empirical gaps. It is possible to find some passionate views which deny the relevance of some operationalisations and methods over others (Wuggenig, 2007; Chan, 2010a). From a comparative point of view it is questioned whether different dimensions of cultural practices can deliver consistent results (Peterson, 2005; Purhonen, Gronow and Rahkonen, 2011; Yaish and Katz-Gerro, 2012). Research which focuses on comparisons between societies frequently lacks detailed theoretical conceptualisations regarding how cultural items are distributed in different social settings (Katz-Gerro, 2011; Purhonen and Wright, 2013). Other important gap in the literature is the lack of understanding about how technologies act as an element of social distinction (López-Sintas, Cebollada, Filimon and Gharhaman, 2014). The main objective of this research is therefore to review how research has defined and studied the relationship between culture and society across several perspectives and to offer new insights which significantly contribute to the advancement of knowledge of the sociology of cultural taste and consumption. This is motivation for the development of four research articles which use several quantitative methods to analyse survey data from Austria, England, Chile, Finland, Israel and Serbia. This thesis shows that musical engagement, regardless of how and where it is measured, remains socially stratified. Age is the primary stratifying factor for musical engagement, highlighting the distinction between popular music preferred by the younger age cohorts, and the classical or traditional music of the older. Both are reinforced by educational level and social class. Individuals displaying broader musical preferences are more likely to be in advantageous positions. This concurs with arguments about omnivorism as a manifestation of cultural homology in the classic Bourdieusian sense (Lizardo and Skiles, 2012). Thanks to the innovative analysis of available data and the use of more specific cultural indicators it is possible to elaborate research questions to address the study of musical engagement and its place in society, integrating research methods, theory of practices, local and global contexts, and technologies as salient analytical dimensions.

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Mérat, Michèle Irene. "The lumbar and lumbosacral facet-syndrome : diagnostic measures, surgical treatment and results in 119 patients /." [S.l.] : [s.n.], 1994. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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MERMIER, JULIA. "PROCESSING EMOTIONAL FACES WITHIN CONTEXT: EVIDENCE FROM INFANCY AND CHILDHOOD." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/370570.

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Le espressioni facciali svolgono un ruolo importante nelle interazioni sociali, comunicando informazioni sullo stato d’animo e le intenzioni di chi le esprime. La maggioranza della letteratura sulla percezione delle emozioni ha preso in esame i volti emotivi isolandoli dal contesto, assumendo che essi siano di per sé sufficienti a veicolare, in maniera non ambigua ed indipendente dal contesto, le manifestazioni emotive (Calder et al., 1996; Smith et al., 2005) . Tuttavia, nella vita reale è assai raro osservare espressioni emotive isolate da un contesto e molti studi recenti che coinvolgono partecipanti adulti indicano che il contesto nel quale le espressioni emotive sono inserite svolge un ruolo essenziale nella loro percezione (Aviezer et al., 2017; Wieser et al., 2014). In particolare, negli adulti, è stato mostrato come varie forme di contesti emotivi e sociali (ad esempio, emozioni espresse tramite gestualità corporee e scene visive, fattori sociali intrinseci o precedenti esperienze sociali) modulano il riconoscimento, la valutazione e l’elaborazione neurale delle espressioni facciali (Aviezer et al., 2017; Iidaka et al., 2010; Jack et al., 2012; Pickett et al., 2004; Righart & De Gelder, 2006). Alcuni studi suggeriscono che anche nei primi anni di vita i fattori contestuali svolgano un ruolo nella percezione delle emozioni (citazioni). Tuttavia, la ricerca in questo ambito è estremamente scarsa e prende in esame una gamma di contesti fortemente limitata e selettiva. Questa tesi di dottorato ha quindi l’obiettivo di fornire un quadro più completo sull’influenza del contesto nell’elaborazione delle espressioni facciali nel corso dello sviluppo, esaminando gli effetti di diversi contesti sulla percezione, e sul riconoscimento delle espressioni facciali nei bambini in età infantile prescolare e scolare. La prima parte di questa tesi prende in esame i segnali emotivi contestuali, verificando come la presenza di altre emozioni nel contesto possa modulare la percezione emotiva. I risultati mostrano che, in bambini di 12 mesi, sia i volti emotivi (Capitolo 1), sia le espressioni emotive cinematiche (Capitolo 2) presenti nel contesto influenzano la percezione delle emozioni, modulando il comportamento visivo e l’attività neurale dei bambini. La seconda parte della tesi si concentra sugli effetti contestuali suscitati da circostanze sociali nei bambini in età infantile, prescolare e scolare. I risultati mostrano che le situazioni contestuali di inclusione ed esclusione influenzano l’elaborazione neurale delle espressioni facciali negli infanti di 13 mesi (Capitolo 3), e il loro riconoscimento nei bambini di 5 anni, ma non nei bambini di 7 e 10 anni (Capitolo 4). La tesi nel suo complesso fornisce evidenze empiriche che dimostrano gli effetti contestuali generati da diverse situazioni emozionali e sociali (ad esempio, volti e azioni che esprimono una emozione nel contesto, inclusione ed esclusione sociale) in infanti e bambini, ed agiscano a diversi livelli dell’elaborazione delle espressioni emotive facciali (ad esempio, neurale e comportamentale). Inoltre, i risultati suggeriscono che questi effetti contestuali varino in funzione dell’età dei bambini(ad esempio, il Capitolo 4 mostra come gli effetti contestuali fossero presenti solo in bambini di 5 anni). Riassumendo, nelle prime fasi dello sviluppo il contesto sembra svolgere un ruolo chiave nella percezione delle espressioni facciali. Facial expressions, by conveying information on individuals’ internal state and intentions, play an important role in social interactions. The idea that faces alone convey all the necessary information about the expresser’s emotional state in an unambiguous manner and independently of contextual factors was prevalent in the past decades (Calder et al., 1996; Smith et al., 2005) and drove the majority of literature on emotion perception to examine faces in isolation. Nonetheless, facial expressions are very rarely encountered in isolation in real life, and many recent adult studies indicate that the context in which they occur plays an essential part in their perception (for a review, see Aviezer et al., 2017; Wieser et al., 2014). Specifically, various forms of emotional and social context (e.g., emotional bodies or visual scenes, intrinsic social factors or past social experiences) were shown to have a significant influence on adults’ recognition, evaluation, and neural processing of facial expressions (Aviezer et al., 2017; Iidaka et al., 2010; Jack et al., 2012; Pickett et al., 2004; Righart & De Gelder, 2006). However, research investigating the influence of context on the processing of emotional faces in developmental populations is extremely scarce, and although it suggests that contextual effects are also present in infancy and childhood, only a small subset of contextual cues have been examined so far. Therefore, this doctoral dissertation aimed at providing a more comprehensive view of the influence of context on the processing of facial emotions at different developmental stages, by examining the effects of different contextual cues on the perception, neural processing and recognition of facial expressions in infants and children. The first part of this thesis focused on contextual emotional signals. Results indicated that the surrounding facial emotional context (Chapter 1) as well as emotional kinematics cues (Chapter 2) influenced 12-month-olds’ attention and neural processing of emotional faces. The second part focused on contextual effects elicited by social cues in infants and children. They showed that contextual cues of social inclusion and exclusion affected 13-months-old infants’ neural processing of emotional faces (Chapter 3) as well as 5-, but not 7- nor 10-years-olds’ recognition of facial expressions (Chapter 4). Altogether, this thesis provides evidence that contextual effects can be elicited by various types of emotional and social cues (i.e., surrounding emotional faces, emotional kinematics, social inclusion and exclusion) in infants and children, and affect different levels of the processing of emotional faces (i.e., neural and behavioral). In addition, it suggests that these contextual effects vary as a function of the developmental stage of the perceiver (e.g., contextual effects were present only in 5-year-olds in Chapter 4). In sum, context seems to play an essential role in the processing of facial expressions in infancy and childhood, and should be granted particular attention in future developmental studies.

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Maritano, Rachelle. "Gestion du contact avec frottement le long des faces de fissures dans le cadre de la méthode X-FEM : application à la fatigue tribologique." Lyon, INSA, 2006. http://theses.insa-lyon.fr/publication/2006ISAL0062/these.pdf.

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Un nouveau modèle numérique pour l'analyse de la fissuration en fatigue tribologique est présenté. Ce modèle est basé sur la méthode des éléments finis étendus (X-FEM) couplée avec le schéma itératif de résolution des problèmes non linéaires d'évolution issu de la méthode LATIN. Dans le cadre de la mécanique élastique linéaire de la rupture pour un matériau homogène isotrope, des développements bidimensionnels ont été effectués afin d'intégrer une gestion du contact avec frottement entre les faces de fissures. Une description incrémentale du problème non linéaire de frottement engendré par les sollicitations multiaxiales et non proportionnelles a ainsi été implémentée. Un nouveau critère d'arrêt du schéma itératif a aussi été proposé. Il prend en compte séparément les phénomènes ouverture/contact et glissement/adhérence permettant ainsi une précision accrue en terme de champs locaux le long des faces de la fissure. Plusieurs étapes de validation ont été effectuées entre des résultats analytiques/numériques et ceux issus du modèle. Après une première étape mettant en jeu des chargements uni axiaux statiques, nous avons simulé et analysé des configurations quasi statiques de plus en plus complexes, pour des configurations de fissures différentes (perpendiculaires/inclinées) mettant en jeu du mode mixte. L'ensemble de ces validations a montré la robustesse du modèle et la capacité de la stratégie du modèle à restituer des comportements de fissures variés et complexes. Ensuite une simulation de propagation bidimensionnelle a été présentée dans le cas d'un contact tribologique de roulement. Cette simulation a nécessité l'implémentation de nouveaux critères de bifurcation ainsi que des lois de fissuration appropriées. L'analyse tridimensionnelle n'est abordée que partiellement par la présentation de résultats d'essais expérimentaux, accompagnés des premiers développements numériques tridimensionnels A numerical model for crack analysis in tribological fatigue is resented. It is based on the extended finite element method coupled with the iterative scheme provided from the LATIN method. Developments have been carried out to take into account the frictional contact between crack faces which are submitted to multi axial non proportional loadings. A new arrest criterion of the iterative scheme has been implemented. Several stages of validation have been carried out. They have shown the model hardiness and the capability of the model strategy to repay different and complex crack behaviours. A simulation of bidiemnsional propagation has been presented in the case of rolling contact fatigue. The tridimentional analysis is partially presented with experimental test results and the former tridimensional numerical developments

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Maritano, Rachelle Baietto-Dubourg Marie-Christine. "Gestion du contact avec frottement le long des faces de fissures dans le cadre de la méthode X-FEM application à la fatigue tribologique /." Villeurbanne : Doc'INSA, 2007. http://docinsa.insa-lyon.fr/these/pont.php?id=ribeaucourt.

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Rubin, Ori. "Contact between parents and adult children: The role of time constraints, commuting and automobility." Elsevier, 2015. https://publish.fid-move.qucosa.de/id/qucosa%3A72786.

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Recent developments suggest that the need for contact between parents and adult children is expected to grow, while paid labour is re-organized to include more flexible work schedules and locations. In parallel we view a pressure to increase sustainable mobility through reducing car driving. Against this background, this paper addresses the question: to what extent the frequency of contact between parents and their adult children living out of home is associated with time allocated to work, including commuting time, and with automobility? Face-to-face and telecommunication based contact is considered. Regression analysis of survey data collected in the Netherlands was performed and results suggest that face-to-face contact was significantly associated with work and commute duration, car ownership, car commuting and distance. Telecommunication based contact was mainly associated with work duration, degree of urbanization and distance. Automobility seemed to be more important for women than for men. The policy implication is a potential trade-off between policies that aim at strengthening sustainable mobility behaviour and policies that lead to an increase in the reliance on informal care.

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Wilbraham, Danelle Alexis. "Using systematic image transformations to reveal invariant properties in the multidimensional perceptual representation of faces." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1276806127.

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Silva, Daniel Baptista da. "Influência da espessura do material cerâmico à base de dissilicato de lítio sobre a resistência flexural e resistência à fratura de facetas do tipo "lentes de contato"." reponame:Repositório Institucional da UFSC, 2014. https://repositorio.ufsc.br/xmlui/handle/123456789/129656.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-Graduação em Odontologia, Florianópolis, 2014 Made available in DSpace on 2015-02-05T21:20:58Z (GMT). No. of bitstreams: 1 329772.pdf: 72339437 bytes, checksum: 05e2ef1a68340653dd5529d8d92938f1 (MD5) Previous issue date: 2014 Objetivo: Avaliar a resistência à fratura, em dentes bovinos, de facetas cerâmicas de diferentes espessuras e a influência da espessura de uma cerâmica à base de dissilicato de lítio sobre a resistência flexural da mesma. Materiais e Método: Sessenta barras cerâmicas foram fabricadas com o sistema Emax Press (Ivoclar Vivadent) com diferentes espessuras: G1)2 mm; G2) 0,7 mm; G3) 0,5 mm; G4) 0,4 mm; G5) 0,3 mm; G6) 0,2mm. Sessenta incisivos centrais superiores bovinos com dimensões semelhantes recém extraídos, foram selecionados. Quarenta e cinco dentes foram aleatoriamente selecionados para serem restaurados com facetas cerâmicas (n=15), com variação da espessura da restauração, formando os seguintes grupos: G1: 0,7 mm; G2: 0,5 mm e G3: 0,3 mm, além de 15 dentes não restaurados (G4 - controle). As amostras foram então submetidas ao teste de resistência flexural e à fratura em uma máquina de ensaios universal (Instron 4444). As médias dos grupos foram comparadas por meio de uma Análise de Variância, um critério(a=0,05). O teste de comparações múltiplas de HSD de Tukey foi utilizado como teste post-hoc, para verificar diferença entre os grupos. Resultados: A resistência flexural do grupo G6 (0,2 mm) foi a única estatisticamente inferior aos demais grupos. Os resultados de resistência à fratura demonstraram que não houve diferença estatística entre os grupos estudados. Conclusão: A espessura cerâmica influencia nos valores de resistência flexural quando a espessura for de 0,2 mm e as diferentes espessuras cerâmicas testadas não influenciaram nos valores de resistência à fratura. Abstract: Objective: To evaluate the fracture resistance in bovine teeth, veneers ceramics of different thickness and the influence of the thickness of a ceramic-based lithium disilicate on the flexural strength of it. Materials and Methods: Sixty ceramic bars were manufactured in Emax Press system (Ivoclar Vivadent) with different thicknesses: G1) 2 mm;G2) 0.7 mm; G3) 0.5 mm; G4) 0.4 mm; G5) 0.3 mm; G6) 0.2 mm. Sixty bovine central incisors with similar dimensions newly extracted, were selected. Forty-five teeth were randomly selected to be restored with ceramic veneers (n = 15), varying the thickness of the restoration, forming the following groups: G1: 0.7 mm; G2: 0.5 mm G3: 0.3 mm, and15 teeth not restored (G4 - control). The samples were then subjected to flexural strength and fracture toughness test in a universal testing machine (Instron 4444). The means of groups were compared by means of an Analysis of Variance one criterion (a = 0.05). The multiple comparison test of Tukey HSD was used as post-hoc test to verify differences between groups. Results: The flexural strength of the G6 (0.2 mm) group was the only statistically inferior to other groups. The results of fracture toughness showed no statistical difference between groups. Conclusion: The ceramic thickness influences the values of flexural strength when the thickness is 0.2 mm and different ceramic thicknesses tested did not influence the values of fracture resistance.

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Toseeb, Mohammed U. "Effect of the Muslim Headscarf on Face Perception. A series of psychological experiments looking at how the Muslim headscarf influences the perception of (South Asian) faces." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5522.

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The Muslim headscarf conceals the hair and other external features of a face. For this reason it may have implications for the recognition of such faces. The experiments reported in this thesis aimed to investigate anecdotal reports, which suggested that headscarf wearing females are more difficult to recognise. This was done by employing a series of experiments which involved a yes/no recognition task. The stimuli that were used were images of South Asian females who were photographed wearing a Muslim headscarf (HS), with their own hair visible (H), and a third set of stimuli were produced in which their external features were cropped (CR). Most importantly, participants either took part in the condition in which the state of the external features remained the same between the learning and test stage (Same) or the condition in which they were switched between the two stages (Switch). In one experiment participants completed a Social Contact Questionnaire. Surprisingly, in the Same condition, there was no difference in the recognition rates of faces that were presented with hair, with headscarf, or cropped faces. However, participants in the Switch condition performed significantly worse than those in the Same condition. It was also found that there was no difference in the % of fixations to the external features between the Same and Switch condition, which implied that the drop in performance between the two conditions was not mediated by eye-movements. These results suggest that the internal and external features of a face are processed interactively and, although the external features were not fixated on, a manipulation to them caused a drop in performance. This was confirmed in a separate experiment in which participants were unable to ignore the external features when they were asked to judge the similarity of the internal features of pairs of faces. Pairs of headscarf faces were rated as being more similar compared to pairs of faces with hair. Finally, for one group of participants it was found that contact with headscarf-wearing females was positively correlated with the recognition of headscarf-wearing faces. It was concluded that the headscarf per se did not impair face recognition and that there is enough information in the internal features of a face for optimal recognition, however, performance was disrupted when the presence or absence of the headscarf was manipulated.

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Toseeb, Mohammed Umar. "Effect of the Muslim headscarf on face perception : a series of psychological experiments looking at how the Muslim headscarf influences the perception of (South Asian) faces." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5522.

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The Muslim headscarf conceals the hair and other external features of a face. For this reason it may have implications for the recognition of such faces. The experiments reported in this thesis aimed to investigate anecdotal reports, which suggested that headscarf wearing females are more difficult to recognise. This was done by employing a series of experiments which involved a yes/no recognition task. The stimuli that were used were images of South Asian females who were photographed wearing a Muslim headscarf (HS), with their own hair visible (H), and a third set of stimuli were produced in which their external features were cropped (CR). Most importantly, participants either took part in the condition in which the state of the external features remained the same between the learning and test stage (Same) or the condition in which they were switched between the two stages (Switch). In one experiment participants completed a Social Contact Questionnaire. Surprisingly, in the Same condition, there was no difference in the recognition rates of faces that were presented with hair, with headscarf, or cropped faces. However, participants in the Switch condition performed significantly worse than those in the Same condition. It was also found that there was no difference in the % of fixations to the external features between the Same and Switch condition, which implied that the drop in performance between the two conditions was not mediated by eye-movements. These results suggest that the internal and external features of a face are processed interactively and, although the external features were not fixated on, a manipulation to them caused a drop in performance. This was confirmed in a separate experiment in which participants were unable to ignore the external features when they were asked to judge the similarity of the internal features of pairs of faces. Pairs of headscarf faces were rated as being more similar compared to pairs of faces with hair. Finally, for one group of participants it was found that contact with headscarf-wearing females was positively correlated with the recognition of headscarf-wearing faces. It was concluded that the headscarf per se did not impair face recognition and that there is enough information in the internal features of a face for optimal recognition, however, performance was disrupted when the presence or absence of the headscarf was manipulated.

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Saklayen, Sanjida Shoma. "Effects of Propranolol on Cognition and Eye Contact in Autism Spectrum Disorder (ASD)." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1269564876.

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Dubach, Roland. "Soft system stabilization of the lumbar spine as an alternative surgical modality to lumbar arthrodesis in the facet syndrome /." [S.l.] : [s.n.], 1995. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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Kempf, Oliver. "Magnetostratigraphy and facies evolution of the lower freshwater molasse (USM) of eastern Switzerland /." [S.l.] : [s.n.], 1998. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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Gill, Harnavpreet Singh. "Computationally Robust Algorithms for Hypoid Gear Cutting and Contact Line Determination using Ease-Off Methodology." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587499768039312.

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Shahraeeni, Mohammad Sadegh. "Inversion of seismic attributes for petrophysical parameters and rock facies." Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/4754.

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Prediction of rock and fluid properties such as porosity, clay content, and water saturation is essential for exploration and development of hydrocarbon reservoirs. Rock and fluid property maps obtained from such predictions can be used for optimal selection of well locations for reservoir development and production enhancement. Seismic data are usually the only source of information available throughout a field that can be used to predict the 3D distribution of properties with appropriate spatial resolution. The main challenge in inferring properties from seismic data is the ambiguous nature of geophysical information. Therefore, any estimate of rock and fluid property maps derived from seismic data must also represent its associated uncertainty. In this study we develop a computationally efficient mathematical technique based on neural networks to integrate measured data and a priori information in order to reduce the uncertainty in rock and fluid properties in a reservoir. The post inversion (a posteriori) information about rock and fluid properties are represented by the joint probability density function (PDF) of porosity, clay content, and water saturation. In this technique the a posteriori PDF is modeled by a weighted sum of Gaussian PDF’s. A so-called mixture density network (MDN) estimates the weights, mean vector, and covariance matrix of the Gaussians given any measured data set. We solve several inverse problems with the MDN and compare results with Monte Carlo (MC) sampling solution and show that the MDN inversion technique provides good estimate of the MC sampling solution. However, the computational cost of training and using the neural network is much lower than solution found by MC sampling (more than a factor of 104 in some cases). We also discuss the design, implementation, and training procedure of the MDN, and its limitations in estimating the solution of an inverse problem. In this thesis we focus on data from a deep offshore field in Africa. Our goal is to apply the MDN inversion technique to obtain maps of petrophysical properties (i.e., porosity, clay content, water saturation), and petrophysical facies from 3D seismic data. Petrophysical facies (i.e., non-reservoir, oil- and brine-saturated reservoir facies) are defined probabilistically based on geological information and values of the petrophysical parameters. First, we investigate the relationship (i.e., petrophysical forward function) between compressional- and shear-wave velocity and petrophysical parameters. The petrophysical forward function depends on different properties of rocks and varies from one rock type to another. Therefore, after acquisition of well logs or seismic data from a geological setting the petrophysical forward function must be calibrated with data and observations. The uncertainty of the petrophysical forward function comes from uncertainty in measurements and uncertainty about the type of facies. We present a method to construct the petrophysical forward function with its associated uncertainty from the both sources above. The results show that introducing uncertainty in facies improves the accuracy of the petrophysical forward function predictions. Then, we apply the MDN inversion method to solve four different petrophysical inverse problems. In particular, we invert P- and S-wave impedance logs for the joint PDF of porosity, clay content, and water saturation using a calibrated petrophysical forward function. Results show that posterior PDF of the model parameters provides reasonable estimates of measured well logs. Errors in the posterior PDF are mainly due to errors in the petrophysical forward function. Finally, we apply the MDN inversion method to predict 3D petrophysical properties from attributes of seismic data. In this application, the inversion objective is to estimate the joint PDF of porosity, clay content, and water saturation at each point in the reservoir, from the compressional- and shear-wave-impedance obtained from the inversion of AVO seismic data. Uncertainty in the a posteriori PDF of the model parameters are due to different sources such as variations in effective pressure, bulk modulus and density of hydrocarbon, uncertainty of the petrophysical forward function, and random noise in recorded data. Results show that the standard deviations of all model parameters are reduced after inversion, which shows that the inversion process provides information about all parameters. We also applied the result of the petrophysical inversion to estimate the 3D probability maps of non-reservoir facies, brine- and oil-saturated reservoir facies. The accuracy of the predicted oil-saturated facies at the well location is good, but due to errors in the petrophysical inversion the predicted non-reservoir and brine-saturated facies are ambiguous. Although the accuracy of results may vary due to different sources of error in different applications, the fast, probabilistic method of solving non-linear inverse problems developed in this study can be applied to invert well logs and large seismic data sets for petrophysical parameters in different applications.

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Bessa, Rita Maria Ribeiro. "As faces e as marcas do sujeito em Le grand routier de mer." Programa de Pós-Graduação em Letras e Linguística da UFBA, 2008. http://www.repositorio.ufba.br/ri/handle/ri/11406.

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Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2013-05-16T11:55:05Z No. of bitstreams: 1 Rita Maria Ribeiro Bessa.pdf: 91645 bytes, checksum: c2621a08eda97d22c71a953b472f6538 (MD5) Approved for entry into archive by Alda Lima da Silva(sivalda@ufba.br) on 2013-05-27T21:30:08Z (GMT) No. of bitstreams: 1 Rita Maria Ribeiro Bessa.pdf: 91645 bytes, checksum: c2621a08eda97d22c71a953b472f6538 (MD5) Made available in DSpace on 2013-05-27T21:30:08Z (GMT). No. of bitstreams: 1 Rita Maria Ribeiro Bessa.pdf: 91645 bytes, checksum: c2621a08eda97d22c71a953b472f6538 (MD5) Previous issue date: 2008 Os roteiros da Carreira da Índia e da Carreira do Brasil, traduzidos pelo holandês J. H. van Linschoten, são fundamentais para facilitar a expansão marítima européia no século XVI para as Índias Orientais. Os Países Baixos, a Inglaterra e a França ambicionavam a conquista destas rotas que permitiria pôr fim ao monopólio comercial lusitano e espanhol nas Índias. Os roteiros selecionados como corpus desta pesquisa são escritos em francês médio e foram publicados em Le grand routier de mer (1610). O discurso destes roteiros é constituído por enunciados que trazem orientações das rotas, descrições sobre os locais e sinais encontrados no caminho para as Índias e, sobretudo, advertências.Trata-se de uma obra cuja fidedignidade aos originais portugueses já foi comprovada e que reúne, ao lado das informações dos roteiros portugueses que chegaram às mãos de J. H. van Linschoten, aquelas informações que ele acrescentou a partir de sua experiência na Índia, ao lado de portugueses e espanhóis. É feita a análise da variante lingüística na qual são estruturados, a saber, o francês médio cujos limites são pontuados entre os séculos XIII e XVI. O francês médio apresenta-se como uma língua em fase de mudanças. Ele caracteriza ainda o momento de busca da afirmação e da unidade da língua francesa como idioma nacional. Os textos franceses dos Roteiros da Carreira da Índia e da Carreira do Brasil são uma fonte rica em fatos característicos deste momento do idioma. A partir de alguns fatos lingüísticos encontrados e da relevância atribuída ao eu que nos roteiros se refere ao piloto-autor e ao tradutor, adotam-se pressupostos que permitem uma nova leitura das marcas pessoais e que concebem a língua como o resultado da ação do falante enquanto sujeito histórico, social e circunstancial. A teoria da dêixis e a teoria da enunciação elucidam, inicialmente, o referente do Je (eu) no discurso dos roteiros, no caso, o tradutor, como também, o seu alocutor (vous). Porém, as análises concernentes à ocorrência da marca Je relativa ao piloto e as demais marcas lingüístico-discursivas que são deixadas no discurso dos roteiros pelo sujeito são examinadas segundo os pressupostos teóricos da escola francesa de análise do discurso, sobretudo, a partir das idéias de S. Possenti. Nesta perspectiva, sujeito e discurso são indissociáveis do contexto sócio-histórico e circunstancial, como também, da noção de atividade e de escolha do sujeito no processo de construção dos sentidos. Conclui-se, de acordo com os fatos encontrados nos roteiros e de acordo com a proposta de S. Possenti, que o sujeito de Le grand routier de mer é o sujeito-tradutor que assume diversas faces, a saber, sujeito-de-direito-tradutor-espiãoautor e que age sobre o material lingüístico para, através de seu discurso, facilitar a conquista das rotas para as Índias. Salvador

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Desfriches, Doria Orélie. "La classification à facettes pour la gestion des connaissances métier : méthodologie d’élaboration de FolkClassifications à facettes." Thesis, Paris, CNAM, 2013. http://www.theses.fr/2013CNAM0903/document.

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Tout d’abord, nous abordons les problématiques liées à l’organisation et à la gestion des connaissances ainsi que les principes présidant à l’élaboration des classifications à facettes. Nous proposons ensuite une synthèse des méthodes existantes d’élaboration de classifications à facettes. Nous poursuivons en réalisant une analyse de l’impact des types de Systèmes d’Information sur l’activité de gestion de l’information. Ce faisant, nous produisons une analyse de l’activité inspirée de la Théorie de l’Activité, et influencée par les travaux de la psychologie du travail et de l’ergonomie cognitive. Le prototype Hypertagging développé dans le cadre du projet Miipa-Doc fondé sur le tagging des utilisateurs et structuré par les principes de la classification à facettes est présenté. Notre expérimentation sur l’élaboration de classifications à facettes pour la gestion des documents de travail est détaillée. Enfin, nous exposons notre méthodologie d’élaboration de FolkClassifications à facettes pour la gestion des connaissances métier. Elle vise à appuyer une démarche de gestion des connaissances sur la gestion personnelle de l’information We address Knowledge Organization and Knowldege Management general issues and we present the basic principles for the development of faceted classifications. Then we introduce a synthesis of existing methods to develop this kind of classification. Next we propose an analysis of effects of Information Systems on information management activities. By doing this, we produce an analysis of the concept of activity inspired by Activity Theory, occupational psychology and french ergonomics. A presentation of Hypertagging prototype developed in the frame of Miipa-Doc research project, based on users tagging and structured by faceted classification principles, is provided. Our experiment about generating faceted classification for document management activities is detailed. Finally, we expose our method for the development of faceted classification for Knowledge Management purposes in the context of specific trades. This Knowledge Management approach is incorporated in Knowledge Organization activities

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Betancourt, Mariel M. "On the Cover of Rolling Stone: What the Faces of Rock 'n' Roll Say about Music's Most Popular Magazine." Ohio : Ohio University, 2008. http://www.ohiolink.edu/etd/view.cgi?ohiou1199302563.

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McPartland, James C. "Face perception and recognition processes in Asperger syndrome as revealed by patterns of visual attention /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/9157.

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Escobar, Lorena Cristina Bogado. "Efeito de diferentes tratamentos de superfície na resistência de união, ângulo de contato, morfologia e análise da distribuição de tensão de laminados ultrafinos de cerâmica reforçada por dissilicato de lítio /." São José dos Campos, 2017. http://hdl.handle.net/11449/152487.

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Orientador: Maria Filomena Rocha Lima Huhtala Banca: Alexandre Luiz Souto Borges Banca: Marcelo Giannini Resumo: Laminados cerâmicos são utilizados em tratamentos conservadores para restabelecer estética e função com mínimo desgaste da estrutura dental. O objetivo deste estudo foi avaliar, in vitro, o efeito de dois tratamentos de superfície em espécimes cerâmicos ultrafinos de dissilicato de lítio na resistência de união com o cimento resinoso. Laminas ultrafinas de cerâmica (14 X 12 X 0,3 mm) foram distribuídas aleatoriamente em dois grupos (n=20) de acordo com o tratamento de superfície: ácido hidrofluorídrico 5% durante 20 s e silano (HF) e Monobond Etch & Prime (Ivoclar, Vivadent) por 60 s (MEP). Dois cilindros de cimento resinoso foram confeccionados utilizando matrizes cilíndricas. Após 24 h de armazenamento, os espécimes foram submetidos ao ensaio mecânico de microcisalhamento (1 mm/min) e o modo de falha foi estabelecido. Dados de resistência de união foram analisados pelo teste t de Student (α=0.05). O ângulo de contato foi determinado. Análise morfológica das superfícies cerâmicas por meio de microscopia de força atômica e eletrônica de varredura foi realizada. Através de análise por elementos finitos foi estudada a distribuição de tensão em incisivos centrais superiores restaurados com laminados cerâmicos ultrafinos de dissilicato de lítio (0,3 mm). O modelo tridimensional foi elaborado no software Rhinoceros e exportado para software de análise Ansys. Foram modelados e analisados 04 grupos sob duas condições: desgaste ou não de esmalte e tipo de preparo. Foi aplicada uma ca... (Resumo completo, clicar acesso eletrônico abaixo) Abstract: Laminate veneers are becoming a technique used in the conservative treatments by the ability to restore aesthetics and function. This study aimed to evaluate, in vitro, the effect of two surface treatments on ultrathin lithium disilicate specimens in bond strength between treated ceramics and resin cement. Ceramic ultrathin laminates (12 X 14 X 0.3 mm) were obtained and randomly distributed into two groups (n=20) according to the surface treatment: 5% hydrofluoric acid for 20 s and silane (HF) and Monobond Etch & Prime (Ivoclar, Vivadent) for 60 s (MEP). Two resin cement cylinders were made using cylindrical matrices. After 24 h storage, microshear bond strength tests were performed in a universal testing machine (1 mm/min) and failure mode was analyzed. Bond strength data were submitted to Student's t-test (α=0.05). The contact angle was measured. Micromorphogical analyses of representatives specimens were also performed (atomic force and scanning electron microscopy). Finite element analysis studied the distribution of stress in maxillary central incisors restored with ultrathin laminate veneers of lithium disilicate (0.3 mm). 3D model was elaborated in CAD Rhinoceros® software and exported to analysis software Ansys®. Four groups were modeled and analyzed under two experimental conditions: wear or non-enamel and type of preparation. A load of 100 N was applied at the palatal face. The stress was analyzed by Maximum Principal Stress criteria. Microshear bond strength values... (Complete abstract click electronic access below) Mestre

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Pace, Victoria L. "Creative Performance on the Job: Does Openness to Experience Matter?" [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001171.

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Paškevičiūtė, Agnė. "Ar visais atvejais dėl suklydimo sudarytas sandoris gali būti pripažintas negaliojančiu?" Master's thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080812_085307-87129.

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Sudarydami sandorius asmenys siekia tam tikro teisinio rezultato: sukurti naujas, pakeisti ar panaikinti turimas civilines teises ir pareigas. Laisva asmenų valia ir sutikimas su visomis konkretaus sandorio sąlygomis yra esminė kiekvieno sandorio galiojimo prielaida. Tačiau tai yra tik siekiamybė, kadangi praktikoje ne visuomet ir ne visi sandoriai sudaromi esant teisingai išreikštai šalių valiai dėl sandorio objekto, terminų, atlygintinumo, sandorio įvykdymo pobūdžio ar kitų būtinųjų sąlygų. Nors kiekviena demokratinė teisinė valstybė įstatymais ir kitais teisės aktais stengiasi užtikrinti sandorių bei tarp sandorio šalių susiklosčiusių civilinių teisinių santykių stabilumą, ji taip pat privalo nustatyti sąlygas, kuriomis šalis, sandoriu neišreiškusi tikrosios savo valios ar išreiškusi ją klaidingai, įgyja teisę visiškai ar iš dalies atsisakyti ir paties sandorio, ir iš jo kylančių teisių bei pareigų. Tiek civilinės teisės tradicijos valstybėse, tiek ir bendrosios teisės tradicijos valstybėse tarp tokių sandorio pripažinimo negaliojančiu pagrindų kaip apgaulė, prievarta, asmens neveiksnumas, įgaliojimų viršijimas bei kitų yra ir vienos ar abiejų sandorio šalių suklydimas. Kaip ir kitų sandorio pripažinimo negaliojančiu pagrindų atveju, taip ir esant suklydimui, teismo sprendimas priklauso ne tik nuo teisingo faktinių aplinkybių nustatymo ir įvertinimo, bet ir nuo tinkamo aktualių teisės normų išaiškinimo bei pritaikymo. Suklydimo doktriną ir jos sąsają su sandorių... [toliau žr. visą tekstą] When entering into contracts persons expect some kind of legal result: either to create new civil rights and duties, or to change or withdraw those they already have. Free will of the persons and consent towards all provisions set out in a particular contract is the essence of the validity of that contract. However, it can only be considered to be an aim, whereas in practice not each and every contract is concluded having as a pre-condition correctly expressed will with regard to the object, terms, nature of execution or other material provisions of the contract. Even though each democratic judicial state is aiming at securing the stability of contracts, civil rights and duties of persons, it also has to determine rules when and under what conditions persons having mistakenly expressed their will are entitled to fully or partially rescind the contract as well as rights and duties arising out of it. Both, civil law countries and common law countries among such grounds as fraud, duress, incapability, entitling one to make the contract voidable, also have a ground called mistake, whether it be unilateral or mutual. Law with regard to doctrine of mistake is very complex and not always clear. Courts not just have to interpret and apply those unclear laws correctly, they also have to find the balance between two conflicting basic statutory principles: principle stating that “contract is valuable, therefore if there is a possibility not to declare it invalid, it should be left as... [to full text]

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Santos, Sônia Cristina da Nóbrega Carneiro dos. "Faces, discursos e práticas: visões e vivências da sexualidade e da saúde reprodutiva entre adolescentes de uma escola pública de João Pessoa - PB." Universidade Federal da Paraíba, 2014. http://tede.biblioteca.ufpb.br:8080/handle/tede/4865.

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Made available in DSpace on 2015-05-07T15:09:41Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1112321 bytes, checksum: ef37a15406c068f9d2f8dd6a94d35ad2 (MD5) Previous issue date: 2014-09-12 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES This study aims to question the reasons why despite all knowledge produced in researches on sexuality and reproductive health there is still a great unfamiliarity with the individuals regarding their own sexualities. Thus, the main objective of the survey was to investigate the awareness of students from public elementary school in Joao Pessoa municipality, state of Paraiba regarding the matter of sexuality and sexual initiation. The research bases on a quantitative and qualitative type of phenomenology documentation, aiming to identify and comprehend the perceptions/ representations of students from 8th and 9th grade of a public school in Joao Pessoa municipality. In order to meet following representations we appealed to the student s speeches used to interpret what has been transmitted to them. Several techniques such as questionnaires, semi- structured and individual interviews, as well as direct observation were applied and combined in this study. Qualitative depth of the speeches collected came through content analysis. When asked if there was a difference between sex and sexuality, circa 35% of interviewees answered no , represented by 18.9% young females and 16.2% young males. Non- answers were represented by 8.1% of the students and 1.4% claimed not knowing the difference. Despite masturbation is strongly linked to the male gender, it was also determined that both groups relate the practice with the search for pleasure represented by 48.6%, being 26.5% young females and 12.2% young males. The quest for self- consciousness stood in second place among the students, represented by 10.8% (being 4.1% young females and 6.8% young males). From the population that considered masturbation as a search for pleasure the majority of 24.3% represented Catholics and 10.8% Protestants. Students were also asked about the initiation of their sex lives. Young males shown to represent the majority regarding initiation of sexual relations, represented by 17.6% (being 13.5% African- Americans, 2.7% Caucasians and 1.4% Asians). The same numbers suffered a severe decrease when we referred to young female population: only 5.5% had had sex, being 4.1% African- Americans and 1.4% Caucasians. The average age of first sexual relation among the students were 11.7 years old. Among young males, the average age was determined at 11.8 years old. As the main reasons elected by the students for having their first sexual experience, most of the population that had already had sex claimed that their first time occurred due to desire/ attraction (represented by 12.2% of the students- being 9.5% young males and 2.7% young females). Followed by curiosity representing the second main reason for 8.1% of the students, being 5.4% young males and 2.7% young females. Through the present survey, it was possible to determine the challenges e difficulties of exercising sexual education outside a regulatory and broad perspective, escaping from naturalizing and biological concepts. Neste estudo questiona-se porque apesar de tanto conhecimento sobre sexualidade e saúde reprodutiva que se tem produzido em pesquisas, há um grande desconhecimento dos indivíduos em relação às suas próprias sexualidades. Diante do exposto, este estudo teve como objetivo investigar que conhecimentos os estudantes, de uma escola pública de ensino fundamental do município de João Pessoa/PB, apresentam sobre temas relacionados à sexualidade e iniciação sexual. A pesquisa tem um caráter quantitativo e qualitativo fenomenológico em que se busca identificar e compreender as percepções/representações de alunos/as das 8º e 9º séries de uma escola pública Municipal localizada no município de João Pessoa, PB. Desta forma, para conhecer estas representações, recorre-se para o discurso que esses estudantes empregam para interpretar o que a eles é transmitido. Neste estudo, foi realizada uma combinação de diferentes técnicas, tais quais: aplicação de questionários, entrevistas individuais semi-estruturadas e observação direta. O aprofundamento qualitativo dos discursos coletados foi por meio da análise de conteúdo. Ao serem perguntados, em questionário, se existe diferença entre sexo e sexualidade, cerca de 35% dos que responderam disseram que não, sendo 18,9% moças e 16,2% rapazes. Ficaram sem responder 8,1% dos estudantes e 1,4% disseram que não sabiam a diferença. Constatou-se, também, que apesar de a masturbação estar fortemente ligada ao sexo masculino, ambos os grupos a associam à busca de prazer 48,6%, sendo a moças a maioria com 36,5% e 12,2% para os rapazes. A busca pelo autoconhecimento ficou em segundo lugar na opinião dos (as) estudantes, com 10,8% (4,1% para as meninas e 6,8 para os meninos). Dos que consideram a masturbação como uma busca pelo prazer, a maioria 24,3% é católica e 10,8% são protestantes. Os (as) alunos (as) também foram perguntados se já haviam iniciado sua vida sexual. Notou-se que os rapazes são a maioria dos que já tiveram relação sexual, 17,6% (13,5% são negros, 2,7% são brancos e 1,4% amarelo). Estes números diminuem bastante quando nos referimos às meninas: apenas 5,5 dos que já haviam transado, sendo 4,1% negras e 1,4% branca. A idade média da primeira relação sexual para as estudantes foi de 11,7 anos. Já para os rapazes, a idade média foi 11,8 anos. Entre os motivos elegidos pelos alunos para se ter a primeira relação, a maioria dos que já haviam transado disse que a primeira vez ocorreu por desejo/atração (12,2% - 9,5% para os rapazes e 2,7% para as moças), seguido de curiosidade com 8,1% dos quais 5,4% se referem aos meninos e 2,7%, às meninas. Através da presente pesquisa, pode-se constatar que os desafios e as dificuldades de se trabalhar a educação sexual fora de um prisma normatizador e abrangente, fugindo dos discursos naturalizantes e biológicos.

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Bernal, Linnersand María. "Categorización sociopragmática de la cortesía y de la descortesía : Un estudio de la conversación coloquial española." Doctoral thesis, Stockholm University, Department of Spanish, Portuguese and Latin American Studies, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-6758.

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The main purpose of this study is to establish a socio-pragmatic categorization of politeness and impoliteness activities in informal interactions. In doing this, we describe the communicative strategies related to (im) politeness phenomena and how they are used to produce certain social effects in face-to-face interaction through the ongoing negotiation of participants’ face (Goffman, 1967). This study is based on informal conversations extracted from a corpus of spoken Spanish gathered in the metropolitan area of Valencia, Spain (Briz and Val.Es.Co. Group, 2002). Focusing on methodology, this study combines a qualitative method inspired in CA with a DA interpretative approach that analyzes communicative acts (Allwood 1995; Bravo, e. p.1). Face contents such as autonomy and affiliative face, role face, group and individual face, are a resource for analyzing what happens during interaction along with the resulting interpersonal effects. The integration of the analysis of context, which includes the co-text, the situational context and the socio-cultural context (cultural settings and shared assumptions), is equally important in this study. The empirical analysis of both the conversations and a questionnaire on impoliteness bring us to propose a series of categories of (im) politeness. The categories are as follow: Strategic Politeness (within this category we find attenuating politeness and reparatory politeness), Enhancing Politeness, Group Politeness, Ritual Politeness (here we differentiate between meeting situations and visit situations) and Discursive Politeness (we divide this category into conventional and thematic). Concerning Impoliteness, we find situations in informal conversation in which impoliteness is expected (normative impoliteness) and when threatening acts (reproaches, criticism, etc.) do not imply directly, per se, a negative personal effect. We next find two types of impoliteness: one produced by threats to the face of the speaker which are neither mitigated nor amended and the other caused by a break from the normal rules of politeness.

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Du, Toit Charlene. "Riglyne vir effektiewe onderwys in afkampusonderwysprogramme vir praktiserende onderwysers / C. du Toit." Thesis, North-West University, 2011. http://hdl.handle.net/10394/4485.

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The problem being investigated in this thesis is to understand and explain why some Setswana speaking students in the ACE-programme for Life Orientation who have voluntarily registered for a decentralised off-campus education programme at the NWU, continue to demand personal, face-to-face communication with their lecturers during the course of their studies. „Off-campus education‟ (also known as „distance education‟ and / or „decentralised education‟) is usually implemented in an attempt to afford more students the opportunity to improve their qualifications and skills – especially in the case of those students who, for a variety of reasons, may not be in a position to enrol for fulltime contact training. Off-campus education could help to serve the divergent education-related needs of poor, less privileged, geographically isolated, difficult-to-reach and deep rural communities. It could also assist with the teaching and learning of new knowledge and skills as far as its integrated use of contemporary technological developments is concerned. Besides UNISA, the North-West University is at present the biggest supplier of off-campus education programmes to practising teachers in the country. Despite the exponential increase in educational and technological developments in the late 20th and early 21st century, information and communication technology – within a broader South African context – is still not within reach of all the NWU‟s off-campus education students. Recent attempts to integrate contact education principles in off-campus education, led to the development of the (well-known) hybrid, namely „flexi-education‟. Over the past seven years or so, this state of affairs has slowly developed to the point where the number of registered, off-campus African education students at the NWU who insist (despite paper-based, electronic and mobile learning support) on demanding personal, face-to-face contact with their lecturers, has increased rapidly. It would furthermore seem that the use of, for example, internet and communication technology is increasing the existing gap between the African education student and his / her lecturer. This growing gap has already resulted in some registered African education students feeling increasingly isolated. The problem with the use of ICT in off-campus education is understood by some as leading to a situation where the ICT being implemented may, one day soon, replace the lecturer during scheduled contact facilitation sessions. Should that happen, it could mean that interactive communication and the social presence of the lecturer during scheduled contact facilitation sessions may be compromised and even permanently forfeited. The available body of scholarship does not adequately address the perceptions of students with regard to the importance of (a) the temporal-spatial, simultaneous presence of their lecturers and (b) social interactions during scheduled contact facilitation sessions. From the available literature, it is also not clear: why some students may want to entertain and maintain such perceptions, what the attitude of students with regard to social interaction and the social presence of their lecturers might be, or what role ICT could be playing in the life-world of off-campus students in South Africa. In an attempt to solve this intellectual conundrum and with a view to effecting naturalistic generalisation (and not statistical generalisation) I have decided, in light of the above, to implement and follow a multi-analytical research design (mixed methods, multi-analysis design) (Onwuegbuzie et al., 2009: passim; 117). Instead of me seeking to generalise my own research findings, I have decided to leave it to my readers to generalise the findings from their own experiences in the past (Onwuegbuzie et al., 2009: 120). This approach represents a kind of „fuzzy generalisation‟ (Ekiz, 2006:73) in the sense that something that has happened in one place could just as well be demonstrated to have happened somewhere else as well (ibid.). I have, therefore, undertaken both a quantitative as well as qualitative study in order to understand why Setswana speaking education students in the ACE-programme in Life Orientation would continue to demand personal, face-to-face contact with their lecturers, despite all the teaching and learning support that they are offered along the way. I have completed my research on the basis of (and in view of) my research aims. The same applies to the data that I have managed to capture and interpret. On the basis of these data, certain strategic guidelines for effective education in off-campus education programmes for practising teachers have then been drafted. My most important research findings include: Off-campus education is purposively delivered to the client, e.g. to the Setswana speaking student in his / her natural surroundings. Off-campus education should strive to care for the student and his / her contextualised needs. An authentic encounter between the off-campus lecturer and student should be allowed to take place. These encountering opportunities could assist in liberating the Setswana speaking student from all moral and ethical obligation of having to meet his / her lecturer and talking to him / her personally. No more moral burdening or social indebtedness should be placed on students to attend the scheduled contact facilitation sessions. The Setswana speaking student should be accompanied to feel and experience that s/he is unconditionally accepted and respected in his / her particular situation and locale. The Setswana speaking student should be able to feel and experience on a particularly deep interpersonal level the security that s/he has the right to belong to a particular off-campus education community (that is not only viewed as a communal society, but also managed as one). The University as service provider ought to create intimate, interactive spaces during scheduled contact facilitation sessions for all off-campus lecturers in order to afford their Setswana speaking students the opportunity to realise their ontic, social yearning for belonghesion. The Setswana speaking student experiences off-campus education as a process of social unity, as well as a social, communal learning community, together with his / her lecturers and fellow students. For this reason, scheduled contact facilitation sessions should be focusing (given the transactional nature of off-campus education) on communal, „perfect-fit education for us‟. Within a communal „perfect-fit‟ education community, the Setswana speaking student should be accompanied to adopt his / her reason for existence in the following manner: “We are, therefore I am.” Given the transactional nature of scheduled contact facilitation sessions (that should be focusing on transactional proximity, openness and sincerity within this communal „perfect-fit education for us‟) the Setswana speaking student does not wish the use of computer and internet technology to replace their ontic and socially cohesive, essential yearning for communal humanity and fellowship. It would seem that Setswana speaking students may not, necessarily, be less than ready for the implementation of ICT in their off-campus education programmes because they cannot afford it, but mainly because they do not yet regard computer and internet technology as part of their cultural furniture. Any attempt at implementing ICT in off-campus education should be considered and managed by universities with great circumspect, so that these students‟ social, ontic, and cohesively essential yearning and ever intensifying, deepening, socially-mutual attaching, fixative and reciprocally trusting attraction could be properly accounted for, and so that it may be managed satisfactorily on a curricular level. Off-campus education should, therefore, be based on the realisation of ontic „We-ness‟ where the members of this community continue to depend on each other and where the supply and delivery of off-campus education is constantly reformed and fine-tuned so that it may reflect an authentic collective learning community. Off-campus education should be focusing on a collectivist, communally searching, epistemological approach where human beings are constantly relating to their fellow human beings, playing different social roles and taking full responsibility for whatever may be needed to realise these students‟ off-campus studies successfully. Thesis (Ph.D. (Education))--North-West University, Potchefstroom Campus, 2011.

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Stone, Zachary. "Face Identification in the Internet Era." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10397.

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Despite decades of effort in academia and industry, it is not yet possible to build machines that can replicate many seemingly-basic human perceptual abilities. This work focuses on the problem of face identification that most of us effortlessly solve daily. Substantial progress has been made towards the goal of automatically identifying faces under tightly controlled conditions; however, in the domain of unconstrained face images, many challenges remain. We observe that the recent combination of widespread digital photography, inexpensive digital storage and bandwidth, and online social networks has led to the sudden creation of repositories of billions of shared photographs and opened up an important new domain for unconstrained face identification research. Drawing upon the newly-popular phenomenon of “tagging,” we construct some of the first face identification datasets that are intended to model the digital social spheres of online social network members, and we examine various qualitative and quantitative properties of these image sets. The identification datasets we present here include up to 100 individuals, making them comparable to the average size of members’ networks of “friends” on a popular online social network, and each individual is represented by up to 100 face samples that feature significant real-world variation in appearance, expression, and pose. We demonstrate that biologically-inspired visual representations can achieve state-of-the-art face identification performance on our novel frontal and multi-pose face datasets. We also show that the addition of a tree-structured classifier and training set augmentation can enhance accuracy in the multi-pose setting. Finally, we illustrate that the machine-readable “social context” in which shared photos are often embedded can be applied to further boost face identification accuracy. Taken together, our results suggest that accurate automated face identification in vast online shared photo collections is now feasible. Engineering and Applied Sciences

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Vergez, Lucas. "Machine learning-based automatic generation of mechanical CAD assemblies." Electronic Thesis or Diss., Paris, ENSAM, 2025. http://www.theses.fr/2025ENAME004.

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L’automatisation en Conception Assistée par Ordinateur (CAO) est une tâche complexe à cause des contraintes complexes d’ingénierie mises en œuvre durant le processus de conception. Ces travaux de thèse s’intéressent à la génération automatique d’assemblages de pièces mécaniques. Cette génération automatique peut être utilisée pour de l’aide à la conception ou de l’expansion de base de données d'assemblages mécaniques, ou de la réutilisation de modèles CAO. La méthode proposée est découpée en 3 parties. La première est la création d’un pipeline basé sur des règles métiers qui permet générer de nouveaux assemblages mécaniques à partir d’assemblages existants. La deuxième partie est l’assemblage automatique de pièces provenant d’assemblages, basé sur un modèle d’apprentissage machine. Un modèle de prédiction d'interface sur des modèles B-Rep quelconques sera enfin développé pour lever la limitation concernant la provenance des pièces lors des précédents travaux. Cette dernère brique de travail permet finalement de générer des assemblages mécaniques à partir d’un ensemble de modèles B-Rep quelconques. Les assemblages générés ont été comparés qualitativement et quantitativement aux assemblages générés par les méthodes présentes dans la littérature. Ce travail est le premier permettant d’assembler plusieurs modèles B-rep en même temps, et propose une première approche pour répondre à cette large problématique d’assemblage automatique Automation in Computer-Aided Design (CAD) is a complex task due to the intricate engineering constraints involved during the design process. This thesis focuses on the automatic generation of mechanical part assemblies. This automatic generation can be used for design assistance, expanding mechanical assembly databases, or reusing CAD models. The proposed method is divided into three parts. The first part involves the creation of a pipeline based on rules, which enables the generation of new mechanical assemblies from existing ones. The second part focuses on the automatic assembly of parts from existing assemblies, based on a machine learning model. A predictive interface model for dumb B-Rep models is developed to address the limitation concerning the origin of the parts in previous works. This final piece of work ultimately allows for the generation of mechanical assemblies from a set of arbitrary B-Rep models. The generated assemblies were compared both qualitatively and quantitatively with those produced by existing methods in the literature. This work is the first to enable the assembly of multiple B-Rep models simultaneously and offers a first approach to addressing the broader challenge of automatic assembly

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Perez, Fabiano [UNESP]. "Distâncias biológicas: influência da distância do ponto de contato interproximal até a crista óssea e da distância das faces interproximais de dentes adjacentes sobre a presença ou ausência da papila gengival interproximal." Universidade Estadual Paulista (UNESP), 2003. http://hdl.handle.net/11449/97325.

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Made available in DSpace on 2014-06-11T19:28:56Z (GMT). No. of bitstreams: 0 Previous issue date: 2003-02-17Bitstream added on 2014-06-13T18:58:07Z : No. of bitstreams: 1 perez_f_me_arafo.pdf: 425038 bytes, checksum: 9fd15dcd5611bfc09912c2ded3e983ff (MD5) O objetivo deste trabalho foi o de observar a previsibilidade da presença ou ausência da papila gengival interproximal, em relação à distância do ponto de contato interproximal dentário até a crista óssea, e da distância das faces interproximais de dentes adjacentes. Para isso, foram selecionados pacientes divididos em 3 grupos com faixas etárias distintas, sendo que o grupo 1 ia dos 20 aos 30 anos, o grupo 2 ia dos 31 aos 40 anos, e o grupo 3 ia dos 41 aos 50 anos. Os pacientes eram, então, submetidos a um exame clínico que tinha por objetivo a constatação da presença ou ausência da papila gengival nas áreas examinadas. Essas áreas situavam-se entre os incisivos centrais superiores, e entre o canino e o primeiro pré-molar superior. Assim, ambas as regiões, anterior e superior, foram estudadas. Para ser considerada presente, a papila gengival deveria ocupar todo o espaço interproximal, não deixando nenhum espaço visível da área interproximal. Depois do exame clínico, os pacientes eram submetidos a tomadas radiográficas das regiões anterior e posterior, sendo que uma tela milimetrada (grid) com fios de bário era adaptada junto ao filme para que a imagem radiográfica obtida pudesse ser mensurada mais satisfatoriamente. Depois de obtidas as radiografias, as medidas eram realizadas e relacionadas com a presença ou ausência da papila gengival. Com a análise dos dados obtidos, permitiu-se concluir que a região anterior apresenta uma tendência maior à ausência da papila gengival interproximal. Além disso, verificou-se que a idade dos pacientes não interferiu na presença ou ausência da papila gengival. Por fim, observou-se que a distância das raízes adjacentes não interferiu nos resultados obtidos, o que não aconteceu com a distância do ponto de contato interproximal até a crista óssea, já que esse fator teve grande influência sobre a presença ou ausência da papila gengival interproximal. The purpose of this work was to observe the predictability of the presence or absence of the gingival papilla, in relation to the distance from dental contact point to the crest of the bone, and in relation to the distance between the interproximal faces of adjacent teeth. For that they were selected 45 patients, divided into 3 well defined age groups: Group 1: 20 to 30 years old; Group 2: 31 to 40 years old and Group 3: 41 to 50 years old. The patients were submitted to a clinical examination to verify the presence or absence of the gingival papilla on the examined areas. Those areas were between the maxillary cuspids and maxillary bicuspids, so, they were studied both anterior and posterior regions. If the gingival papilla occupied all interproximal site and didn't last any visible area of that, it was deemed to be present. After the clinical examination, the patients were submitted to radiographic examinations of the anterior and posterior regions, with a radiographic grid with barium wires, copled to the film, permitting correct measurements. The measurements were made on the obtained radiographs and related to the presence or absence of the gingival papilla. From the obtained results, it was concluded that the anterior region presents a high tendency to show the absence of the interproximal gingival papilla. Moreover, the age factor had no influence on the presence or absence of the gingival papilla. Finally, it was observed that the distance of adjacent roots didn't influenced on the obtained results, what didn't occur with the distance between the contact point and the crest of the bone, since this factor showed high influence on the presence or absence of the interproximal gingival papilla.

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41

Perez, Fabiano. "Distâncias biológicas : influência da distância do ponto de contato interproximal até a crista óssea e da distância das faces interproximais de dentes adjacentes sobre a presença ou ausência da papila gengival interproximal /." Araraquara : [s.n.], 2003. http://hdl.handle.net/11449/97325.

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Orientador: José Cláudio Martins Segalla Banca: Paulo Martins Ferreira Banca: João Neudenir Arioli Filho Resumo: O objetivo deste trabalho foi o de observar a previsibilidade da presença ou ausência da papila gengival interproximal, em relação à distância do ponto de contato interproximal dentário até a crista óssea, e da distância das faces interproximais de dentes adjacentes. Para isso, foram selecionados pacientes divididos em 3 grupos com faixas etárias distintas, sendo que o grupo 1 ia dos 20 aos 30 anos, o grupo 2 ia dos 31 aos 40 anos, e o grupo 3 ia dos 41 aos 50 anos. Os pacientes eram, então, submetidos a um exame clínico que tinha por objetivo a constatação da presença ou ausência da papila gengival nas áreas examinadas. Essas áreas situavam-se entre os incisivos centrais superiores, e entre o canino e o primeiro pré-molar superior. Assim, ambas as regiões, anterior e superior, foram estudadas. Para ser considerada presente, a papila gengival deveria ocupar todo o espaço interproximal, não deixando nenhum espaço visível da área interproximal. Depois do exame clínico, os pacientes eram submetidos a tomadas radiográficas das regiões anterior e posterior, sendo que uma tela milimetrada (grid) com fios de bário era adaptada junto ao filme para que a imagem radiográfica obtida pudesse ser mensurada mais satisfatoriamente. Depois de obtidas as radiografias, as medidas eram realizadas e relacionadas com a presença ou ausência da papila gengival. Com a análise dos dados obtidos, permitiu-se concluir que a região anterior apresenta uma tendência maior à ausência da papila gengival interproximal. Além disso, verificou-se que a idade dos pacientes não interferiu na presença ou ausência da papila gengival. Por fim, observou-se que a distância das raízes adjacentes não interferiu nos resultados obtidos, o que não aconteceu com a distância do ponto de contato interproximal até a crista óssea, já que esse fator teve grande influência sobre a presença ou ausência da papila gengival interproximal. Abstract: The purpose of this work was to observe the predictability of the presence or absence of the gingival papilla, in relation to the distance from dental contact point to the crest of the bone, and in relation to the distance between the interproximal faces of adjacent teeth. For that they were selected 45 patients, divided into 3 well defined age groups: Group 1: 20 to 30 years old; Group 2: 31 to 40 years old and Group 3: 41 to 50 years old. The patients were submitted to a clinical examination to verify the presence or absence of the gingival papilla on the examined areas. Those areas were between the maxillary cuspids and maxillary bicuspids, so, they were studied both anterior and posterior regions. If the gingival papilla occupied all interproximal site and didn't last any visible area of that, it was deemed to be present. After the clinical examination, the patients were submitted to radiographic examinations of the anterior and posterior regions, with a radiographic grid with barium wires, copled to the film, permitting correct measurements. The measurements were made on the obtained radiographs and related to the presence or absence of the gingival papilla. From the obtained results, it was concluded that the anterior region presents a high tendency to show the absence of the interproximal gingival papilla. Moreover, the age factor had no influence on the presence or absence of the gingival papilla. Finally, it was observed that the distance of adjacent roots didn't influenced on the obtained results, what didn't occur with the distance between the contact point and the crest of the bone, since this factor showed high influence on the presence or absence of the interproximal gingival papilla. Mestre

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Qin, Liwei. "L'interprétation du contrat : étude comparative en droits français et chinois." Thesis, Paris 2, 2012. http://www.theses.fr/2012PA020040/document.

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En matière d’interprétation juridique, le rôle du juge se déroule entre le fait et le droit. Le juge est chargé non seulement d’analyser et de déterminer les éléments factuels, mais il a aussi, pour objectif, d’exercer la qualification du fait et d’appliquer les règles de droit. C’est la raison pour laquelle l’interprétation juridique est en générale divisée en deux aspects : l’interprétation du fait et celle du droit (ou de la loi). L’interprétation du contrat participe, en principe, au premier aspect. Précisément, la loi, en tant que règle générale et abstraite, est l’expression de la volonté générale, alors que le contrat n’est que la traduction de plusieurs volontés particulières. Le projet de cette thèse cherche à analyser les problématiques provoquées par la théorie et la pratique de l’interprétation du contrat : dans quelle condition le juge peut-il exercer son pouvoir d’interprétation du contrat ? Interpréter un contrat, c’est interpréter la commune intention des parties ou plutôt interpréter un rapport contractuel intégré dans la vie sociale et économique ? L’interprétation du contrat peut-elle combler les lacunes du contrat ? Les règles d’ordre public peuvent-elles devenir le fondement de l’interprétation du contrat ? La correction du contenu du contrat a-t-elle besoin de participation de l’interprétation du contrat ? La recherche des problématiques exposées ci-dessus détermine, en effet, l’intérêt du projet de cette thèse. Théoriquement, le travail de thèse défie la définition traditionnelle de l’interprétation du contrat, en glosant de nouveau sur le sens et l’esprit des règles classiques d’interprétation, et en analysant le rôle des règles d’ordre public dans l’interprétation du contrat. Pratiquement, le travail de thèse se fonde sur une recherche approfondie des fonctions de l’interprétation du contrat dans les activités judiciaires In terms of the legal interpretation, the role of the judge takes place between the facts and the law. The judge is not only charged with analyzing and determining the factual elements, but he also aims to exercise the qualification of the fact and apply the rules of law. This is why legal interpretation is generally divided into two aspects, i.e. the interpretation of the fact and that of the law. The interpretation of the contract, in principle, belongs to the first aspect. More precisely, the law, as general and abstract rule, is the expression of the general will, while the contract is only a translation of several individual wills. This dissertation analyzes the issues aroused by the theory and practice of the interpretation of the contract: In what condition can the judge exercise his capacity of interpretation of the contract? Should the interpretation of the contract aim exclusively at the common intention of the parties or aim not only at the will of the contracting parties but also the internal and external objective elements of the contract? Can the interpretation of the contract fill in the lacunas of the contract? Can the rules of public order become the foundation of the interpretation of the contract? Does the correction of the content of the contract need the participation of the interpretation of the contract? The research of the above mentioned issues determines, in fact, the interest of the plan of this dissertation. Theoretically, the work of this dissertation challenges the traditional definition of the interpretation of the contract, by annotating again the sense and the spirit of the classic rules of interpretation, and analyzing the role of the rules of public order in the interpretation of the contract. In practice, the work of this dissertation is founded on a profound research of the functions of the interpretation of the contract in the judiciary activities

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Buchan, Jennifer Mary. "Franchisor failure : an assessment of the adequacy of regulatory response." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/39027/1/Jennifer_Buchan_Thesis.pdf.

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Franchisor failure is one of the most problematic areas of the franchise relationship. It impacts negatively on landlords and other suppliers, but the contracting parties that are currently without legal rights to respond when a franchisor fails, and thus without consumer protection, are its franchisees. In this thesis I explore the current contractual, regulatory and commercial environment that franchisees inhabit, within the context of franchisor failure. I conclude that ex ante there are opportunities to level the playing field through consumer protection legislation. I also conclude that the task is not one solely for the consumer protection legislation; the problem should also be addressed ex post through the Corporations Act.

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44

田中, 啓介, Keisuke TANAKA, 義明秋庭 та ін. "繰返しねじり・引張複合荷重下での予き裂からの疲労き裂進展経路の予測". 日本機械学会, 2005. http://hdl.handle.net/2237/9131.

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Lindgren, Josefin Astrid Maria. "Interaction Competence : A concept describing the competence needed for participation in face-to-face interaction." Thesis, Uppsala universitet, Sociologiska institutionen, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-133663.

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Face-to-face interaction has been studied both within sociology and linguistics, as well as withinother disciplines. Often has the perspective been too narrow, something which is not compatiblewith the diverse and dynamic nature of this type of interaction. This narrow view prevents fullunderstanding of interaction. Within this theoretical paper it is suggested that face-to-faceinteraction has to be studied with a broad perspective; when studying face-to-face interaction itis necessary to acknowledge its dynamic nature and therefore it is necessary to combineknowledge from different disciplines. Within this paper, I combine theories from linguistics andsociology in order to gain a broader perspective upon interaction. What has been missing fromearlier research upon face-to-face interaction and upon the competence needed to participatein such interaction is not the knowledge of the different features of interaction but a will toconnect them all. Existing concepts for describing the competence needed in order to be ableto interact have often failed to describe the dynamic, multi-faceted nature of interaction; therehas been a tendency to try to explain everything with just one factor. Within this paper, amore covering concept of the competence needed of an interactant within face-to-faceinteraction is proposed and sketched; a concept which I name Interaction Competence. Thiscompetence is the knowledge and abilities needed of an interactant in order to be able tointeract with others. This concept, which can be a valuable analytical tool for analyzing faceto-face interaction, has Dell Hymes’ concept of Communicative Competence and ErvingGoffman’s and Ann Warfield Rawls’ concept of Interaction Order as building-blocks andconsists of four main areas of competence: Control Body, Command Language, HandleSocio-cultural Knowledge and Understand Interaction Order. Within this paper also the affectof two interactant-external factors: the context and acceptability. Both are found to be highlyrelevant for the Interaction Competence of an interactant, thus the need for acknowledging therole of sufficient and acceptable Interaction Competence is seen. Presenterades (utöver uppsatsseminariet) inom ramen för Sociologiska Institutionens IMER (Internationella Migration Etniska Relationer)-seminarium

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Bloess, Mark. "Harnessing Social Networks for Social Awareness via Mobile Face Recognition." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/23792.

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With more and more images being uploaded to social networks each day, the resources for identifying a large portion of the world are available. However the tools to harness and utilize this information are not sufficient. This thesis presents a system, called PhacePhinder, which can build a face database from a social network and have it accessible from mobile devices. Through combining existing technologies, this is made possible. It also makes use of a fusion probabilistic latent semantic analysis to determine strong connections between users and content. Using this information we can determine the most meaningful social connection to a recognized person, allowing us to inform the user of how they know the person being recognized. We conduct a series of offline and user tests to verify our results and compare them to existing algorithms. We show, that through combining a user’s friendship information as well as picture occurrence information, we can make stronger recommendations than based on friendship alone. We demonstrate a working prototype that can identify a face from a picture taken from a mobile phone, using a database derived from images gathered directly from a social network, and return a meaningful social connection to the recognized face.

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Bakhshi, Saeideh. "Photo engagement: how presentation and content of images impact their engagement and diffusion." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54254.

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The type of media shared through social media channels has shifted from text content to include an increasingly large number of images. Visual traces resulting from people's online social behavior have the potential to reveal insights about our habits, activities and preferences. The role of social network-related factors have been well studied in previous research. Yet, few studies have sought to understand how user behavior in social networks is dependent on the image itself. The goal of my dissertation is to understand how people engage with image content, and I seek to uncover the role of presentation and image content on people's preferences. To achieve this goal, I study the image sharing communities, Flickr, Instagram and Pinterest, using quantitative and qualitative methods. First, I show how colors -- a fundamental property of an image -- could impact the virality of an image on Pinterest. I consider three dimensions of color: hue, saturation and brightness and evaluate their role in the diffusion of the image on Pinterest, while controlling for social network reach and activity. Next, I shift the focus from abstract colors to a higher-level presentation of images. I study the role of filters on the Flickr mobile application as proxies to visual computation. To understand how people use filters, I conduct an interview study with 15 Flickr mobile users about their filter use. I analyze Flickr mobile images to discover the role of filters in engaging users. Presentation is not the only factor that makes an image interesting. To gain deeper insights in what makes an image more engaging in social image sharing sites, I study the images of people on the Instagram network. I compare images of people with those that do not have faces and find that images with human faces are more engaging. I also look at the role of age and gender of people in the image in engaging users. Finally, I examine different content categories, with and without filters, and study the impact of content category on engagement. I use large-scale data from Flickr and interviews with Flickr mobile users to draw insights into filter use and content engagement. This dissertation takes a first step toward understanding content and presentation of images and how they impact one aspect of user behavior online. It provides several theoretical and design implications for effective design, creation and imposition of rules on image sharing communities. This dissertation opens up a new direction for future research in multimedia-mediated communication.

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Vagnon, Eric. "Solutions innovantes pour le packaging de convertisseurs statiques polyphasés." Phd thesis, Grenoble INPG, 2010. http://www.theses.fr/2010INPG0029.

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L’électronique de puissance d’aujourd’hui s’inscrit dans un contexte environnemental où l’économie d’énergie est au centre des préoccupations. La traduction technologique d’une telle problématique sera, pour l’électronicien, la recherche de structures de conversion optimisant à la fois le rendement, la fiabilité et la qualité de l’énergie absorbée ou produite. Cet effort d’optimisation énergétique ne saurait être satisfaisant sans une recherche d’adaptation matérielle aux applications industrielles ou domestiques visées (avion tout électrique, éclairage…). C’est dans ce contexte que se situe ce travail de thèse, visant à chercher des solutions innovantes en terme de package de convertisseurs statiques satisfaisant les exigences de ces nouveaux secteurs d’exploitation, dans lesquels la miniaturisation, la fiabilité ou encore l’immunité aux perturbations CEM sont déterminants Today, power electronics has evolved in an environmental context where energy conservation is a central issue. For electronic engineers, the technological translation of this dilemma is the research of conversion structures optimizing the performance, reliability and absorbed or produced energy quality. This effort to optimize energy cannot be satisfactory without adaptive research material for indus trial and domestic applications (electric aircraft, lighting. . . ). Ln this context, this work seeks innovative packaging solutions for static converters that meet the requirements of these new constraints where miniaturization, reliability or EMC immunity to disturbances are crucial

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Vagnon, Eric. "Solutions innovantes pour le packaging de convertisseurs statiques polyphasés." Phd thesis, Grenoble INPG, 2010. http://tel.archives-ouvertes.fr/tel-00494431.

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L'électronique de puissance d'aujourd'hui s'inscrit dans un contexte environnemental où l'économie d'énergie est au centre des préoccupations. La traduction technologique d'une telle problématique sera, pour l'électronicien, la recherche de structures de conversion optimisant à la fois le rendement, la fiabilité et la qualité de l'énergie absorbée ou produite. Cet effort d'optimisation énergétique ne saurait être satisfaisant sans une recherche d'adaptation matérielle aux applications industrielles ou domestiques visées (avion tout électrique, éclairage...). C'est dans ce contexte que se situe ce travail de thèse, visant à chercher des solutions innovantes en terme de package de convertisseurs statiques satisfaisant les exigences de ces nouveaux secteurs d'exploitation, dans lesquels la miniaturisation, la fiabilité ou encore l'immunité aux perturbations CEM sont déterminants.

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Brenner, Markus. "Context-based semi-supervised joint people recognition in consumer photo collections using Markov networks." Thesis, Queen Mary, University of London, 2014. http://qmro.qmul.ac.uk/xmlui/handle/123456789/7931.

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Faces, along with the personal identities behind them, are effective elements in organizing a collection of consumer photos, as they represent who was involved. However, the accurate discrimination and subsequent recognition of face appearances is still very challenging. This can be attributed to the fact that faces are usually neither perfectly lit nor captured, particularly in the uncontrolled environments of consumer photos. Unlike, for instance, passport photos that only show faces stripped of their surroundings, Consumer Photo Collections contain a vast amount of meaningful context. For example, consecutively shot photos often correlate in time, location or scene. Further information can also be provided by the people appearing in photos, such as their demographics (ages and gender are often easier to surmise than identities), clothing, or the social relationships among co-occurring people. Motivated by this ubiquitous context, we propose and research people recognition approaches that consider contextual information within photos, as well as across entire photo collections. Our aim of leveraging additional contextual information (as opposed to only considering faces) is to improve recognition performance. However, instead of requiring users to explicitly label specific pieces of contextual information, we wish to implicitly learn and draw from the seemingly coherent content that exists inherently across an entire photo collection. Moreover, unlike conventional approaches that usually predict the identity of only one person’s appearance at a time, we lay out a semi-supervised approach to jointly recognize multiple peoples’ appearances across an entire photo collection simultaneously. As such, our aim is to find the overall best recognition solution. To make context-based joint recognition of people feasible, we research a sparse but efficient graph-based approach that builds on Markov Networks and utilizes distance-based face description methods. We show how to exploit the following specific contextual cues: time, social semantics, body appearances (clothing), gender, scene and ambiguous captions. We also show how to leverage crowd-sourced gamified feedback to iteratively improve recognition performance. Experiments on several datasets demonstrate and validate the effectiveness of our semisupervised graph-based recognition approach compared to conventional approaches.

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Dissertations / Theses on the topic 'Facets of contact'

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