Tesis sobre el tema "Human behaviours"
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Montgomery, A. M. J. "Effects of peripheral 5-HT on consummatory behaviours". Thesis, University of Sussex, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370436.
Texto completoZheng, Yue. "Modelling, tracking and generating human interaction behaviours in video". Thesis, Cardiff University, 2009. http://orca.cf.ac.uk/54108/.
Texto completoHou, Shaobo. "Learning Behaviours of Articulated Human Motion for Tracking and Synthesis". Thesis, University of Manchester, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.516363.
Texto completoYeboah, Godwin. "Understanding urban cycling behaviours in space and time". Thesis, Northumbria University, 2014. http://nrl.northumbria.ac.uk/21611/.
Texto completoAlzu'Bi, Hamzah. "Analysis of human activities and animal behaviours based on computational intelligence". Thesis, University of Liverpool, 2015. http://livrepository.liverpool.ac.uk/2037039/.
Texto completoWong, Sheila S. M. "Energy conservation and human behaviours, the professional faculties building in the University of Calgary". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0008/MQ26774.pdf.
Texto completoSun, Q. "A generic approach to modelling individual behaviours in crowd simulation". Thesis, University of Salford, 2014. http://usir.salford.ac.uk/30771/.
Texto completoHendricks, Mogammat Sharief. "The tackle in Rugby Union : understanding training and match behaviours to develop better coaching strategies for skill acquisition, performance, and injury prevention". Doctoral thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/12628.
Texto completoRugby Union is a popular international team sport characterised by frequent high impact bodily collisions known as the tackle. This aspect of the game exposes players to muscle damage and a high risk of injury. Tackle-related injuries account for up to 61% of all injuries during a rugby match. Furthermore, players’ ability to win the tackle contest has an influence on the outcome of the match. Given the nature and frequency of the tackle situation, tackle contact skills are a prerequisite for participation in rugby union. However, coaching and training drills prescribed to train the tackle to date are largely based on anecdotal evidence. To develop effective tackle training strategies (i.e. technical skills training, physical conditioning, training drills, and equipment) that will produce a successful outcome and reduce the risk of injury for both the ball-carrier and tackler, studying the tackle in real match situations is warranted. Therefore, in accordance with this goal the purpose of this thesis was to; (i) assess the current attitudes and behaviours of players during training and match play, and (ii) study the tackle and defensive strategies in real match situations.
Wang, Huanhuan. "Development of novel design methodology for product mass customization based on human attributes and cognitive behaviours". Thesis, Brunel University, 2012. http://bura.brunel.ac.uk/handle/2438/6455.
Texto completoZhai, Xiaofeng. "The role of human resource practices in enhancing employees' behaviours and organisational learning in Chinese construction organisations". Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/7104.
Texto completoDoan, Jonathon Edward Bruce y University of Lethbridge Faculty of Arts and Science. "Movement deficits for Parkinson's disease patients in select functional behaviours : context opposes sequence and consequence". Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2006, 2006. http://hdl.handle.net/10133/11.
Texto completoxiv, 186 leaves ; 29 cm.
Lins, De Holanda Coelho Gabriel. "Which values are similar? : introducing new methodologies to map the structure of human values and value-expressive behaviours". Thesis, Cardiff University, 2018. http://orca.cf.ac.uk/117637/.
Texto completoMokhtar, Noor Fatmawati. "Pharmacological studies of voltage-gated sodium channel expression in human breast cancer cells : control of metastatic cell behaviours". Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/7119.
Texto completoKock, Elina y Yamma Sarwari. "How can machine learning help identify cheating behaviours in physical activity-based mobile applications?" Thesis, Malmö universitet, Fakulteten för teknik och samhälle (TS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20791.
Texto completoThis study investigates the possibility to use machine learning for Human Activity Recognition (HAR) in Bamblup, a physical activity-based game for smartphones, in order to detect whether a player is cheating or is indeed performing the required activity. Sensor data from an accelerometer and a gyroscope from an iPhone 7 was used to gather data from various people performing a set of activities. The activities of interest are jumping, squatting, stomping, and their cheating counterparts, fake jumping, fake squatting, and fake stomping. A Sequential model was created using the free open-source library TensorFlow. Feature Selection was performed using the program WEKA (Waikato Environment for Knowledge Analysis), to select the attributes which provided the most information gain. These attributes were subsequently used to train the model in TensorFlow, which gave a classification accuracy of 66%. The fake activities were classified relatively well, and so was the stomping activity. Jumping and squatting had the lowest accuracy of 21.43% and 28.57% respectively. Additionally, the Random Forest classifier in WEKA was tested on the dataset using 10-fold cross validation, providing a classification accuracy of 90.47%. Our findings imply that machine learning is a strong candidate for aiding in the detection of cheating behaviours in mobile physical activity-based games.
Morley, Iain Robert MacLean Roffe. "The evolutionary origins and archaeology of music, or, an investigation into the prehistory of human musical capacities and behaviours, using archaeological, anthropological, cognitive and behavioural evidence". Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615705.
Texto completoWasiu, Awotidebe Adedapo. "The effect of a sports-based HIVv prevention programme on HIV risk related behaviours among high school learners". Thesis, University of the Western Cape, 2012. http://hdl.handle.net/11394/4504.
Texto completoBackground: The Human Immunodeficiency virus (HIV) has become a global public health challenge amid the growing concern of adolescent risky sexual behaviour, influenced by biological and psycho-social factors. There is an increasing demand for adolescent sexual risk reduction interventions, especially in sub-Saharan Africa which remains the hub of HIV epidemic worldwide. Sport-based HIV prevention programme has been identified as one of the interventions, in addition to other approaches to provide young people with appropriate HIV knowledge and skills to either delay or reduce risk-taking behaviour. Despite the potential of sport-based programme for sexual risk reduction, there is limited information on how to adapt it to meet adolescent needs in terms of design, contents, and delivery. This information is necessary to provide sufficiently strong evidence to support widespread implementation of sport-based programme, especially in rural African schools. Therefore, the study aimed to measure the impact of a sport-based HIV prevention intervention in the reduction of HIV related sexual risk behaviour among rural high school learners aged 13-18. Method: The overall study design was a concurrent mixed method, utilizing both the quantitative and qualitative approach. The population for the quantitative and the qualitative studies was made up of two high schools in a predominantly “Coloured” community in Ceres. Two classes each were randomly selected from grades 8-10 in both intervention and control school. The intervention was developed through a process of focus group discussions with the Grassroot Soccer (GRS) staff and it was guided by the Social Cognitive Theory. The intervention was delivered to grade 8-10 learners by GRS peer facilitators using the GRS generation skillz curriculum that consists of 12-week sessions in the intervention school. Quantitative data were analysed with multivariate statistical techniques and qualitative data with thematic analysis approach. Results: The data that assessed the behavioural and protective factors to understand why learners in rural schools engage in risky sexual behaviour showed that about 27.2% of the learners reported being sexually active. Of the sexually active learners, 48.7% reported engaging in sex by 14 years or younger and nearly 42.2% reported multiple sexual partners with significant higher proportion of boys than girls. Nearly 55.2% of the sexually active learners reported irregular condom use and 46.3% did not use a condom at the last sexual encounter. The majority of the learners (87%) did not know their HIV status. Being male (OR = 6.60;95% C I = 1.62 – 26.84) and peer influence (OR = 3.01; 95% CI = 1.97-4.60) were the strongest predictors of reporting sexual intercourse and early sexual activities before the age 15 respectively. Though the knowledge of HIV was low, those with greater knowledge of HIV were more likely to use a condom at last the sexual encounter (OR = 1.22; 95% C I =1.03-1.44). The learners who participated in sport-based intervention were 1.43times likely to report higher self-efficacy to refuse sex compared to the control group (OR = 1.43; 95% C.I =1.07-1.92).The process evaluation indicated that the sport-based intervention was well received among the learners as it gave them free space to freely express themselves. Conclusion: The findings have shown that sport-based intervention can be successfully implemented in school and is a promising approach to reduce risks associated with risky sexual behaviour in learners. However, the quality of the programme delivery was hampered by irregular session‟s schedule and language of instruction. The process suggests for a longer exposure period and because of social-cultural diversity, learners must be provided with the ownership of the programme in schools.
Richter, Viktor [Verfasser]. "Addressing in Smart Environments. An Investigation of Human Conversational Behaviours Towards Devices and Autonomous Agents in a Smart Environment / Viktor Richter". Bielefeld : Universitätsbibliothek Bielefeld, 2020. http://d-nb.info/1211474860/34.
Texto completoCinelli, Michael. "VISUAL INPUTS AND MOTOR OUTPUTS AS INDIVIDUALS WALK THROUGH DYNAMICALLY CHANGING ENVIRONMENTS". Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2803.
Texto completoDogimab, Mirriam Adang. "An examination of culture as a protective mechanism against gender based violence: a case study in Mt Bosavi, Papua New Guinea : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy (Development Studies), Massey University, Palmerston North, New Zealand". Massey University, 2009. http://hdl.handle.net/10179/1064.
Texto completoRutkowski, Martin. "“Organization is what you do before you do something, so that when you do it, it’s not all mixed up.” : An investigation of behaviours using digital visual planning". Thesis, Uppsala universitet, Institutionen för informatik och media, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-356105.
Texto completoDenna uppsats ämnar undersöka beteenden och interaktioner mellan individer i ett mötessammanhang användandes av ett digitalt visualiserings verktyg. Verktyget används på en stor pekskärm och är skapat av Yolean. Verktyget undersöks indirekt genom att utgå från hur verktyget används och miljön runt om verktyget. Forskningsfrågan som besvaras i uppsatsen lyder: ” Hur påverkas interaktion mellan individer genom att använda stora pekskärmar med ett digitalt visuellt planeringsverktyg i ett möte?”. Frågan besvaras genom en observationsstudie som utgår från blandade metodiker från både”grounded theory” (teoribildning genom empiri) samt designforskning. Resultatet tyder på att en grupp som arbetar tillsammans för att uppnå samma mål tenderar att få en ledare utan att specifikt tilldela denne rollen. Uppstår problem tenderar ett skifte av ledarskap ske. Skiftet sker naturligt och då utan verbala tilldelningar. Det visuella planeringsverktyget hjälpte deltagarna att uttrycka sina tankar och funderingar. Deltagarna kunde kommunicera med hela kroppen och att peka på specifika objekt som de ville diskutera. Genom denna frihet kunde de mer noggrant kommunicera sina förslag och tankar till resten av gruppen.
Galgamuwa, Uditha Nandun. "Estimating crash modification factors for lane-departure countermeasures in Kansas". Diss., Kansas State University, 2018. http://hdl.handle.net/2097/38756.
Texto completoDepartment of Civil Engineering
Sunanda Dissanayake
Lane-departure crashes are the most predominant crash type in Kansas which causes very high number of motor vehicle fatalities. Therefore, the Kansas Department of Transportation (KDOT) has implemented several different types of countermeasures to reduce the number of motor vehicle fatalities associated with lane-departure crashes. This research was conducted to estimate the safety effectiveness of commonly used lane-departure countermeasures in Kansas on all crashes and lane-departure crashes using Crash Modification Factors (CMFs). Paved shoulders, rumble strips, safety edge treatments and median cable barriers were identified as the commonly used lane-departure countermeasures on both tangent and curved road segments while chevrons and post-mounted delineators were identified as the most commonly used lane-departure countermeasures on curved road segments. This research proposes a state-of-art method of estimating CMFs using cross-sectional data for chevrons and post-mounted delineators. Furthermore, another state-of-art method is proposed in this research to estimate CMFs for safety edge treatments using before-and-after data. Considering the difficulties of finding the exact date of implementation of each countermeasure, both cross-sectional and before-and-after studies were employed to estimate the CMFs. Cross-sectional and case-control methods, which are the two major methods in cross-sectional studies were employed to estimate CMFs for paved shoulders, rumble strips, and median cable barriers. The conventional cross-sectional and case-control methods were modified when estimating CMFs for chevrons and post-mounted delineators by incorporating environmental and human behaviors in addition to geometric and traffic-related explanatory variables. The proposed method is novel and has not been used in the previous cross-sectional models available in the literature. Generalized linear regression models assuming negative binomial error structure were used to develop models for cross-sectional method to estimate CMFs while logistic regression models were used to estimate CMFs using case-control method. Results showed that incorporating environmental and human-related variables into cross-sectional models provide better model fit than in conventional cross-sectional models. To validate the developed models for cross-sectional method, mean of the residuals and the Root Mean Square Error (RMSE) were used. For the case-control method, Receiver Operational Characteristic (ROC) was used to evaluate the predictive power of models for a binary outcome using classification tables. However, it was seen that the case-control method is not suitable for estimating CMFs for all crashes since the range of the crash frequency is wide in each road segment. A regression-based method of estimating CMFs using before-and-after data was proposed to estimate CMFs for safety edge treatments. This method allows researchers to identify the safety effectiveness of an individual CMFs on road segments where multiple treatments have been applied at the same time. Since this method uses road geometric and traffic-related characteristics in addition to countermeasure information as the explanatory variables, the model itself would be the Safety Performance Function (SPF). Therefore, developing new SPF is not necessary. Finally, the CMFs were estimated using before-and-after Empirical Bayes method to validate the results from the regression-based method. The results of this study can be used as a decision-making tool when implementing lane-departure countermeasures on similar roadways in Kansas. Even though there are readily available CMFs from the national level studies, having more localized CMFs will be beneficial due to differences in traffic-related and geometric characteristics on different roadways.
Naysmith, Scott. "A qualitative study of avian influenza A H5N1 at the human-animal interface : examining constructions of risk and associated behaviours of people who work with poultry in three live bird markets in Indonesia". Thesis, London School of Economics and Political Science (University of London), 2015. http://etheses.lse.ac.uk/3255/.
Texto completoBuss, Keno. "Behavioural patterns for the analysis of creative behaviour". Thesis, De Montfort University, 2011. http://hdl.handle.net/2086/4938.
Texto completoKlimanskaitė, Ieva. "Asmens sveikatos priežiūros įstaigų pagrindinių žmogiškųjų išteklių būklės įvertinimas". Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130612_151429-35059.
Texto completoAim of the study: To evaluate the main human resources’ status in the health care institutions in support of their policy-making need to change. Objectives: To evaluate demographic situation of Lithuanian physicians and regional inequalities in the distribution of physicians; to assess the risk profile of chronic noncommunicable diseases of hospital-employed physicians; to analyse participation of hospital-employed physicians in screening programmes. Material and methods. The official statistical data obtained from Lithuanian Health Information Centre, Lithuanian Department of Statistics and the State Health Care Accreditation Agency under the Ministry of Health were used for evaluation of demographic situation of physicians and their regional distribution. The assessment of health status of physicians was carried out in four randomly selected hospitals from Vilnius and Kaunas regions. Two hospitals were selected from Vilnius and Kaunas cities, one hospital - from Ukmergė municipality and one hospital - from Marijampolė municipality. The questionnaire, which was distributed to physicians, consisted from six parts: I - personal data, and working activities, II - job satisfaction, III – health status, IV - preventive health check-up, V – health behaviours, and VI - opinion of health care. All physicians who were working in the hospital on the day of survey were invited to participate. Questionnaires were filled in by 281 physicians (response rate was 76%), and 242 physicians... [to full text]
Duranton, Charlotte. "Dog-human behavioural synchronization and affiliation". Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0274.
Texto completoNon-conscious behavioral synchronization is adaptive, depending on affiliation and participating in fostering social cohesion. It is found within various species, including humans, but little is known about such a phenomenon between species. Due to their close association, dog and human dyads is a good biological model to study interspecific behavioral synchronization.For the first time, behavioral synchronization of dogs with humans was evidenced between highly affiliated partners (i.e. pet dogs and their owners) when freely walking inside or in open outside area, and when facing an unfamiliar person. The effect of affiliation was also investigated: lower affiliated partners (i.e. shelter dogs and their caregiver) exhibited lower degree of synchronization with human compare to highly affiliated partners, similarly than between humans. This is the first time that the effect of affiliation on behavioral synchronization has been evidenced at interspecific level. Almost no effect of age, sex or breed was evidenced. Finally, it was evidenced that pet dogs exhibit increased affiliation towards humans who synchronized their behavior with them. It is the third species in which such an ability is evidenced, and the first time it is found in canids.To conclude, as in humans, behavioral synchronization acts as a social-glue between dogs and humans. It is the first time that such a skill is evidenced between a primate species and a canid species; it suggests a convergent evolution of this behavior, and human-like processes in dogs. Applied implications of such findings, as well as Tinbergen (1963) four’s inquiries for behavioral synchronization are discussed
Roberts, Michael E. "Human collective behavior". [Bloomington, Ind.] : Indiana Unversity, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3330786.
Texto completoTitle from PDF t.p. (viewed on Jul 22, 2009). Source: Dissertation Abstracts International, Volume: 69-10, Section: B, page: 6448. Advisers: Robert L. Goldstone; Peter M. Todd.
Medeiros, André Luís dos Santos. "Tendências na mortalidade por batida de carro em três grandes cidades do Brasil e a Síndrome do macho jovem". Universidade do Estado do Rio de Janeiro, 2012. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=3853.
Texto completoSeveral studies have found higher rates of mortality in traffic crash among men than among women and among young men than among older men. However, there is a gap concerning explanations for these differences. In this study, unlike predecessors, hypotheses were postulated a priori, on how rates of mortality due to crashes in traffic should vary, according to sex and age. We expected to find the presence and absence of certain associations and interactions, based on the modern theory of sexual selection applied to the study of human behavior, specifically, the "young male syndrome." The aim of this study is to compare trends in mortality rates from car and motorcycle crashes according to sex and age. It is an ecological study with the state as the geographical unit of analysis and the calendar year as the temporal unit of analysis. The study population was composed of 18-60 years old men and women residing in the State of Rio de Janeiro, between 2004 and 2010, and in the state of Rio Grande do Sul, between the years 2001 and 2010. The results have shown that the number of deaths from car and motorcycle crashes considering the number of qualified people to drive such vehicles was higher in men than in women and in younger than older people. In addition to the interesting congruence between the findings and hypotheses postulated, we discovered an intriguing exception: at the state of Rio de Janeiro, the mortality rate from motorcycle crash was considerably higher in women than in men. Trends in mortality rates from car and motorcycle crashes in the state of Rio de Janeiro have shown a decline in recent years. In Rio Grande do Sul, the mortality rates from motorcycle crashes have also been falling over the years, while mortality rates from car crashes have increased. These results lead to conclude that the "Young Male Syndrome" seems to be a powerful and promising theory to help postulating hypotheses about the risk of death in traffic.
Lawson, Glyn. "Predicting human behaviour in emergencies". Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/12027/.
Texto completoMcMillan, Anne Sinclair. "Human masseter motor unit behaviour". Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/30673.
Texto completoDentistry, Faculty of
Graduate
Syed, Shazali Syed Tarmizi. "Human behaviour modelling through Human Intelligent Movement Software (HIMs)". Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6382.
Texto completoHollmann, Claudia. "A cognitive human behaviour model for pedestrian behaviour simulation". Thesis, University of Greenwich, 2015. http://gala.gre.ac.uk/13831/.
Texto completoEllmore, Timothy Michael. "The Speed of Associative Learning and Retrieval in Humans and Non-Human Primates". Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/195717.
Texto completoKoutentakis, Dimitrios. "Modeling human driving behavior". Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129895.
Texto completoCataloged from student-submitted PDF of thesis.
Includes bibliographical references (pages 81-84).
The goal of this thesis paper is to explore models that can predict and anticipate driver behaviors on the road and give probabilities on future actions of neighboring vehicles, while being lightweight enough to be formally verifiable. This thesis starts with looking into related work and doing a short literature review on previous work on driver models. We then talk about the available datasets used to perform such work, different models used (from classic regressions to neural networks) and finally present my approach and my results.
by Dimitrios Koutentakis.
M. Eng.
M.Eng. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
Rymill, Stephen Julian. "Psychologically-based simulation of human behaviour". Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614295.
Texto completoRando, C. J. "Human behaviour and the temporomandibular joint". Thesis, University College London (University of London), 2011. http://discovery.ucl.ac.uk/1322969/.
Texto completoHayes, Bradley. "Supportive Behaviors for Human-Robot Teaming". Thesis, Yale University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10160856.
Texto completoWhile robotics has made considerable strides toward more robust and adaptive manipulation, perception, and planning, robots in the near future are unlikely to be as dexterous, competent, and versatile as human workers. Rather than try to create fully autonomous systems that accomplish tasks independently, a more practical approach is to construct robots that work alongside people. This allows human and robot workers to concentrate on the tasks for which they are each best suited, while simultaneously providing the capability to assist each other during tasks that one worker lacks the ability to complete independently in a safe or maximally proficient manner. Human-robot teaming advances have the potential to extend applications of autonomous robots well beyond their current, limited roles in factory automation settings. Much of modern robotics remains inapplicable in many domains where tasks are either too complex, beyond modern hardware limitations, too sensitive for non-human completion, or too flexible for static automation practices. In these situations human-robot teaming can be leveraged to improve the efficiency, quality-of-life, and safety of human partners.
In this thesis, I describe algorithms that can create collaborative robots that call provide assistance when useful, remove dull or undesirable responsibilities when possible, and assist with dangerous tasks when feasible. In doing so, I present a novel method for autonomously constructing hierarchical task networks that factor complex tasks in was that make theism approachable by modern planning and coordination algorithms. In particular, within these complex cooperative tasks I focus on facilitating collaboration between a lead worker and robotic assistant within a shared space, defining and investigating a class of actions I term supportive behaviors: actions that serve to reduce the cognitive or kinematic complexity of tasks for teammates. The majority of contributions within this work center around discovering, learning, and executing these types of behaviors in multi-agent domains with asymmetric authority. I provide an examination of supportive behavior learning and execution from the perspective of task and motion planning, as well as that of learning directly from interactions with humans. These algorithms provide a collaborative robot with the capability to anticipate the needs of a human teammate and proactively offer help as needed or desired. This work enables to creation of robots that provide tools just-in-time, robots that alter workspaces to make more optimal task orderings more obvious and more feasible, and robots that recognize when a user is delayed in a complex task and offer assistance.
Combining these algorithms provides a basis for a robot with both a capacity for rich task comprehension and a theory of mind about its collaborators, enabling methods to allow such a robot to leverage knowledge it acquires to transition between the role of learner, able assistant, and informative instructor during interactions with teammates.
Miszkiewicz, Justyna J. "Ancient human bone histology and behaviour". Thesis, University of Kent, 2014. https://kar.kent.ac.uk/38319/.
Texto completoBoulay, Bernard. "Human posture recognition for behaviour understanding". Nice, 2007. http://www.theses.fr/2007NICE4000.
Texto completoDurant cette thèse nous avons proposé une approche temps réel, générique et fonctionnelle pour reconnaître la posture des personnes filmées par une caméra statique. Notre approche est conçue pour être complètement automatique et indépendante du point de vue de la caméra. La reconnaissance de posture à partir de séquence vidéo est un problème difficile. Ce problème s'inscrit dans le champ de recherche plus général de l'interprétation de séquence vidéo. L'approche proposée prend en entrée des informations provenant d'algorithmes de vision telles que la silhouette de la personne observée (une image binaire où une couleur représente la personne et l'autre le fond) ou sa position dans la scène. La première contribution est la modélisation d'un avatar 3D de posture. Un avatar 3D de posture est composé d'un modèle 3D humain (définissant les relations entre les différentes parties du corps), d'un ensemble de paramètre (définissant les positions des différentes parties du corps) et d'un ensemble de primitive (définissant l'aspect visuel des parties du corps). La seconde contribution est la proposition d'une approche hybride combinant l'utilisation de modèles 3D et de techniques 2D. Les avatars 3D de postures sont utilisés dans le processus de reconnaissance pour avoir une certaine indépendance du point de vue de la caméra. Les techniques 2D représentent les silhouettes des personnes détectées pour garder un temps réel de calcul. Cette thèse montre comment les avatars 3D peuvent être utilisés pour obtenir une approche générique et fonctionnelle pour reconnaître les postures. Cette approche est composée de deux parties : la détection de postures qui reconnaît la posture de la personne détectée en utilisant seulement l'information calculée sur l'image considérée, et le filtrage temporel de posture qui reconnaît la posture en utilisant l'information provenant des images précédentes. Une troisième contribution a été faite en comparant différentes représentations 2D des silhouettes au niveau du temps de calcul nécessaire et de leur dépendance à la qualité de la silhouette. Quatre représentations ont été retenues : une représentation combinant différentes valeurs géométriques, les moment de Hu, la skeletonisation et les projections horizontale et verticale. Une quatrième contribution est la caractérisation des cas ambigus. Des ambiguïtés au niveau de la reconnaissance peuvent se produire en utilisant seulement une caméra statique. Une posture ambiguë est définie par plusieurs postures vii qui ont des silhouettes visuellement similaires. Des données de synthèse sont générées pour évaluer l'approche proposée pour différents points de vue. Ainsi, les postures ambiguës sont identifiées en considérant la posture et son orientation. L'approche est aussi évaluée pour des données réelles en proposant un modèle de vérité terrain pour la reconnaissance de posture. Une cinquième contribution a été proposée en appliquant le résultat de notre approche à la reconnaissance d'action. Une méthode utilisant des machines à états finis a ainsi été proposée pour reconnaître des actions faisant intervenir une seule personne. Chaque état de la machine est composé d'une ou plusieurs postures. Cette méthode est appliquée avec succès pour détecter les chutes et la marche. Bien que notre approche donne de très bon taux de reconnaissance, il subsiste quelques limitations. La principale limitation de l'approche est qu'elle est limitée en nombre de postures d'intérêt pour des raisons de temps de calcul et de discrimination entre les postures considérées. La seconde limitation est le temps nécessaire à la génération des silhouettes des avatars 3D de posture. En utilisant l'information sur le déplacement de la personne dans la scène, l'algorithme de reconnaissance de posture traite entre 5 et 6 images par seconde. Des améliorations peuvent être faites pour résoudre ces limitations. En particulier, nous pourrions adapter automatiquement l'ensemble des postures d'intérêt au cas considéré, en utilisant par exemple la posture reconnue précédemment pour restreindre les postures 3D dont nous voulons extraire les silhouettes
Haggard, Patrick. "The coordination of human prehension". Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239142.
Texto completoNellen, Stefani. "How humans solve scheduling problems analysis of human behavior in the plan-a-day task /". [S.l. : s.n.], 2002. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB9918630.
Texto completoJames, Hannah Victoria Arnison. "Becoming human : the emergence of modern human behaviour within South Asia". Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609772.
Texto completoKaczmarek, Haiko. "Human behaviour and energy demand : How behavioural science can be used to reduceenergy demand in the residential sector". Thesis, KTH, Energiteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-174307.
Texto completoKalwar, Santosh. "Human behavior on the Internet". Thesis, Lappeenranata University of Technology, 2009. http://www.kalwar.com.np.
Texto completoHolroyd, Aaron. "Generating Engagement Behaviors in Human-Robot Interaction". Digital WPI, 2011. https://digitalcommons.wpi.edu/etd-theses/328.
Texto completoPonsler, Brett. "Recognizing Engagement Behaviors in Human-Robot Interaction". Digital WPI, 2011. https://digitalcommons.wpi.edu/etd-theses/109.
Texto completoMunro-Faure, Amy Louise. "Causes of variation in human cooperative behaviour". Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31376.
Texto completoBotta, Federico. "Quantifying human behaviour using complex social datasets". Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/88546/.
Texto completoPalaghias, Niklas. "Opportunistic sensing platforms to interpret human behaviour". Thesis, University of Surrey, 2017. http://epubs.surrey.ac.uk/841529/.
Texto completoNajar, Anis. "Shaping robot behaviour with unlabeled human instructions". Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066152.
Texto completoMost of current interactive learning systems rely on predefined protocols that constrain the interaction with the user. Relaxing the constraints of interaction protocols can therefore improve the usability of these systems.This thesis tackles the question of interpreting human instructions, in order to relax the constraints about predetermining their meanings. We propose a framework that enables a human teacher to shape a robot behaviour, by interactively providing it with unlabeled instructions. Our approach consists in grounding the meaning of instruction signals in the task learning process, and using them simultaneously for guiding the latter. This approach has a two-fold advantage. First, it provides more freedom to the teacher in choosing his preferred signals. Second, it reduces the required engineering efforts, by removing the necessity to encode the meaning of each instruction signal. We implement our framework as a modular architecture, named TICS, that offers the possibility to combine different information sources: a predefined reward function, evaluative feedback and unlabeled instructions. This allows for more flexibility in the teaching process, by enabling the teacher to switch between different learning modes. Particularly, we propose several methods for interpreting instructions, and a new method for combining evaluative feedback with a predefined reward function. We evaluate our framework through a series of experiments, performed both in simulation and with real robots. The experimental results demonstrate the effectiveness of our framework in accelerating the task learning process, and in reducing the number of required interactions with the teacher
Waldron, Julie A. "Human behaviour outdoors and the environmental factors". Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/52112/.
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