Dissertations / Theses on the topic 'Video article'

„Hast Du Schwierigkeiten, die richtige Ansprache für Millennials zu finden?“ Dann empfiehlt die Onlinemarketingplattform www.onlinemarketing.de sich die perfekte Videowerbung für die Generation Y anzusehen. Im Video sind „hippe, junge Menschen in Zeitlupe“ zu sehen, die fröhlich sind, sich frei fühlen, lachen, bunte Haare haben, gern mit Freunden zusammen sind und Spaß an der Konversation haben, fotografieren, posten, liken und teilen. Natürlich werden im Video die Klischees überzogen und auch aufs Korn genommen. Aber die Kernaussage stimmt mit der Definition der Millennials überein: Sie sind technikaffin, legen Wert auf ihre Selbstverwirklichung und verfolgen eine hohe Leistungsorientierung. Sie studieren und investieren in die Ausbildung. Es ist aber auch die Generation, die mit dem Smartphone groß geworden ist. Sie beziehen nahezu alle Informationen aus dem Internet und halten sich täglich über mehrere Stunden in den sozialen Medien auf. Die Autorin setzt sich in ihrer Dissertation mit dem Thema auseinander, wie diese Generation sich Wissen aneignet. Sie möchte in Experimenten nachweisen, dass die Millennials anders lernen, weil sie aus der Informationsflut selektieren müssen. Sie wollen ihr Wissen möglichst effektiv, auf das Wesentliche reduziert, präsentiert bekommen. Das sind Erfahrungen der Autorin aus der Lehre. Dieses Paper fasst Hypothesen und Gedanken zusammen, die provokant und als mögliches Zukunftsszenario beschrieben werden. Dabei geht es einerseits um die Distribution. Wo müssen Lehrvideos veröffentlicht werden, dass sie von der lernenden Zielgruppe wahrgenommen und angenommen werden. Auf der anderen Seite geht es auch um den Content selbst und wie er dargestellt wird – strukturell und visuell. Die Autorin zieht dafür Parallelen zum Journalismus sowie zum Marketing.

„Hast Du Schwierigkeiten, die richtige Ansprache für Millennials zu finden?“ Dann empfiehlt die Onlinemarketingplattform www.onlinemarketing.de sich die perfekte Videowerbung für die Generation Y anzusehen. Im Video sind „hippe, junge Menschen in Zeitlupe“ zu sehen, die fröhlich sind, sich frei fühlen, lachen, bunte Haare haben, gern mit Freunden zusammen sind und Spaß an der Konversation haben, fotografieren, posten, liken und teilen. Natürlich werden im Video die Klischees überzogen und auch aufs Korn genommen. Aber die Kernaussage stimmt mit der Definition der Millennials überein: Sie sind technikaffin, legen Wert auf ihre Selbstverwirklichung und verfolgen eine hohe Leistungsorientierung. Sie studieren und investieren in die Ausbildung. Es ist aber auch die Generation, die mit dem Smartphone groß geworden ist. Sie beziehen nahezu alle Informationen aus dem Internet und halten sich täglich über mehrere Stunden in den sozialen Medien auf. Die Autorin setzt sich in ihrer Dissertation mit dem Thema auseinander, wie diese Generation sich Wissen aneignet. Sie möchte in Experimenten nachweisen, dass die Millennials anders lernen, weil sie aus der Informationsflut selektieren müssen. Sie wollen ihr Wissen möglichst effektiv, auf das Wesentliche reduziert, präsentiert bekommen. Das sind Erfahrungen der Autorin aus der Lehre. Dieses Paper fasst Hypothesen und Gedanken zusammen, die provokant und als mögliches Zukunftsszenario beschrieben werden. Dabei geht es einerseits um die Distribution. Wo müssen Lehrvideos veröffentlicht werden, dass sie von der lernenden Zielgruppe wahrgenommen und angenommen werden. Auf der anderen Seite geht es auch um den Content selbst und wie er dargestellt wird – strukturell und visuell. Die Autorin zieht dafür Parallelen zum Journalismus sowie zum Marketing.

Dans cette thèse sont présentées deux méthodes visant à obtenir automatiquement une description tridimensionnelle des mouvements d'une main étant donnée une séquence vidéo monoculaire de cette main. En utilisant l'information fournie par la vidéo, l'objectif est de déterminer l'ensemble des paramètres cinématiques nécessaires à la description de la configuration spatiale des différentes parties de la main. Cet ensemble de paramètres est composé des angles de chaque articulation ainsi que de la position et de l'orientation globale du poignet. Ce problème est un problème difficile. La main a de nombreux degrés de liberté et les auto-occultations sont omniprésentes, ce qui rend difficile l'estimation de la configuration des parties partiellement ou totalement cachées. Dans cette thèse sont proposées deux nouvelles méthodes qui améliorent par certains aspects l'état de l'art pour ce problème. Ces deux méthodes sont basées sur un modèle de la main dont la configuration spatiale est ajustée pour que sa projection dans l'image corresponde au mieux à l'image de main observée. Ce processus est guidé par une fonction de coût qui définit une mesure quantitative de la qualité de l'alignement de la projection du modèle avec l'image observée. La procédure d'ajustement du modèle est réalisée grâce à un raffinement itératif de type descente de gradient quasi-newton qui vise à minimiser cette fonction de coût.Les deux méthodes proposées diffèrent principalement par le choix du modèle et de la fonction du coût. La première méthode repose sur un modèle de la main composé d'ellipsoïdes et d'une fonction coût utilisant un modèle de la distribution statistique de la couleur la main et du fond de l'image.La seconde méthode repose sur un modèle triangulé de la surface de la main qui est texturé est ombragé. La fonction de coût mesure directement, pixel par pixel, la différence entre l'image observée et l'image synthétique obtenue par projection du modèle de la main dans l'image. Lors du calcul du gradient de la fonction de coût, une attention particulière a été portée aux termes dûs aux changements de visibilité de la surface au voisinage des auto-occultations, termes qui ont été négligés dans les méthodes préexistantes.Ces deux méthodes ne fonctionnement malheureusement pas en temps réel, ce qui rend leur utilisation pour l'instant impossible dans un contexte d'interaction homme-machine. L'amélioration de la performance des ordinateur combinée avec une amélioration de ces méthodes pourrait éventuellement permettre d'obtenir un résultat en temps réel<br>In this thesis we propose two methods that allow to recover automatically a full description of the 3d motion of a hand given a monocular video sequence of this hand. Using the information provided by the video, our aimto is to determine the full set of kinematic parameters that are required to describe the pose of the skeleton of the hand. This set of parameters is composed of the angles associate to each joint/articulation and the global position and orientation of the wrist. This problem is extremely challenging. The hand as many degrees of freedom and auto-occlusion are ubiquitous, which makes difficult the estimation of occluded or partially ocluded hand parts.In this thesis, we introduce two novel methods of increasing complexity that improve to certain extend the state-of-the-art for monocular hand tracking problem. Both are model-based methods and are based on a hand model that is fitted to the image. This process is guided by an objective function that defines some image-based measure of the hand projection given the model parameters. The fitting process is achieved through an iterative refinement technique that is based on gradient-descent and aims a minimizing the objective function. The two methos differ mainly by the choice of the hand model and of the cost function.The first method relies on a hand model made of ellipsoids and a simple discrepancy measure based on global color distributions of the hand and the background. The second method uses a triangulated surface model with texture and shading and exploits a robust distance between the synthetic and observed image as discrepancy measure.While computing the gradient of the discrepancy measure, a particular attention is given to terms related to the changes of visibility of the surface near self occlusion boundaries that are neglected in existing formulations. Our hand tracking method is not real-time, which makes interactive applications not yet possible. Increase of computation power of computers and improvement of our method might make real-time attainable

Dans cette thèse sont présentées deux méthodes visant à obtenir automatiquement une description tridimensionnelle des mouvements d'une main étant donnée une séquence vidéo monoculaire de cette main. En utilisant l'information fournie par la vidéo, l'objectif est de déterminer l'ensemble des paramètres cinématiques nécessaires à la description de la configuration spatiale des différentes parties de la main. Cet ensemble de paramètres est composé des angles de chaque articulation ainsi que de la position et de l'orientation globale du poignet. Ce problème est un problème difficile. La main a de nombreux degrés de liberté et les auto-occultations sont omniprésentes, ce qui rend difficile l'estimation de la configuration des parties partiellement ou totalement cachées. Dans cette thèse sont proposées deux nouvelles méthodes qui améliorent par certains aspects l'état de l'art pour ce problème. Ces deux méthodes sont basées sur un modèle de la main dont la configuration spatiale est ajustée pour que sa projection dans l'image corresponde au mieux à l'image de main observée. Ce processus est guidé par une fonction de coût qui définit une mesure quantitative de la qualité de l'alignement de la projection du modèle avec l'image observée. La procédure d'ajustement du modèle est réalisée grâce à un raffinement itératif de type descente de gradient quasi-newton qui vise à minimiser cette fonction de coût.Les deux méthodes proposées diffèrent principalement par le choix du modèle et de la fonction du coût. La première méthode repose sur un modèle de la main composé d'ellipsoïdes et d'une fonction coût utilisant un modèle de la distribution statistique de la couleur la main et du fond de l'image.La seconde méthode repose sur un modèle triangulé de la surface de la main qui est texturé est ombragé. La fonction de coût mesure directement, pixel par pixel, la différence entre l'image observée et l'image synthétique obtenue par projection du modèle de la main dans l'image. Lors du calcul du gradient de la fonction de coût, une attention particulière a été portée aux termes dûs aux changements de visibilité de la surface au voisinage des auto-occultations, termes qui ont été négligés dans les méthodes préexistantes.Ces deux méthodes ne fonctionnement malheureusement pas en temps réel, ce qui rend leur utilisation pour l'instant impossible dans un contexte d'interaction homme-machine. L'amélioration de la performance des ordinateur combinée avec une amélioration de ces méthodes pourrait éventuellement permettre d'obtenir un résultat en temps réel.

The following master thesis analyzes to which extent streaming services in particularNetflix influence the German television landscape and how this discourse is covered inGerman newspapers.The work shows that online streaming services with their non-linear content have animpact on German television. The theoretical base of the work is the critical discourseanalysis by the German linguist Siegfried Jäger. His work analyzes relevant socialdiscourses with its own method based on the theory of the French philosopher MichelFoucault. The present thesis refers to Netflix as a streaming service and analyzes theaspect of how it influences the television landscape since its introduction on the Germanmarket in 2014. For deeper understanding before conducting the critical discourse aninitial analysis of the German television market is presented. The base of the analysisare newspaper articles. Furthermore, the relevant aspects of the publishing landscape inGermany are introduced to provide the reader with relevant background knowledge.Moreover, the thesis contains an analysis of newspaper articles from three leadingnewspapers in Germany: Süddeutsche Zeitung, BILD Zeitung and taz, die tageszeitung(following referred to as taz). 15 representative articles were chosen and afterwardsanalyzed with the method of critical discourse analysis. The results of all threenewspapers on the Netflix discourse are compared to each other. In conclusion, thework shows that the influence of streaming services, especially Netflix on Germantelevision is stronger then expected. And even if television is still seen as the leadingmedium in Germany, public as well as private broadcasters have to be aware of the newcompetitor on the market and adapt to constant changes especially in the online segment.

Ce mémoire rend compte d’où j’en suis dans ma pratique artistique, à un moment où je tente d’articuler un questionnement sur l’habiter incluant la mobilité, avec sa matérialisation dans une œuvre statique. Dans ce texte comme dans ma production, vous trouverez des fragments provenant de lieux divers, personnels, publics, naturels, urbains, autant que d’univers de pensée variés. En effet, la philosophie, la géographie et la psychanalyse sont mises à contribution et assemblées tant bien que mal pour tenter de saisir comment se joue une présence au monde, dans le corps, le lieu, la pensée, le mouvement, les choses. Ces réflexions accompagnent un corpus d’œuvres tirées de l’exposition Ma nature a horreur du vide, qui ont été réalisées à la suite de déambulations, en ville et en forêt.

Mon travail de création à la maîtrise a principalement été de réaliser des vidéos contemplatives et des collages en modifiant des images. À l’aide de différents logiciels ou techniques de montage, j’ai modifié des photographies, des séquences de films, des images tirées de webcam, des reproductions de même que mes propres captations. Ce texte présente mon travail artistique en venant établir des liens entre mes projets de création, des œuvres et des notions théoriques qui touchent à différentes idées de l’image singulière. Ce texte divisé sous cinq thèmes qui se sont dégagés de mes recherches — dévier, appropriation, montage, singularité et temps — permet de rendre compte de mes réflexions sur mon travail de l’image. Plus précisément, je spécifierai en quoi remanier une image est pour moi la manière de la rendre singulière.

O trabalho teve como objetivo desenvolver uma proposta metodológica para análise dos custos de reprocessamento de pinças de dissecção, apreensão e corte, de uso único, utilizadas em cirurgia vídeo-assistida. O reuso desses artigos é prática freqüente, no Brasil e em diversos países, tendo como justificativa seu alto custo, embora sua viabilidade técnica não tenha sido comprovada. O reuso de artigos de uso único ainda é controverso e tem sido discutido e estudado sob os aspectos técnicos, legais, éticos e de segurança. Apesar da preocupação econômica, poucos estudos foram desenvolvidos sobre o real impacto econômico do reuso e reprocessamento. Neste trabalho, foi desenvolvida proposta metodológica para cálculo de custos e aplicada em três hospitais do Estado de São Paulo, seguindo o método de estudo de casos múltiplos. Foram coletados dados referentes a três meses nas instituições pesquisadas, por meio de observação e mensuração dos tempos das diversas fases do reprocessamento, revisão de registros da Central de Materiais e Esterilização e informações do Departamento de Recursos Humanos, Almoxarifado e Lavanderia. O custo do reprocessamento mensurado foi de R$9,374 no hospital Caso nº 1, de R$6,591 no Caso nº 2 e de R$3,312 no Caso nº 3. O baixo custo verificado deve ser analisado com grande cautela para que não seja interpretado como uma justificativa ao reuso desenfreado. Ao contrário, o baixo custo é motivo de preocupação, sobretudo quando se observa que o controle de qualidade, nos três casos analisados, tem pequena participação na composição do custo final. Nenhuma das instituições adota os controles de qualidade recomendados para garantir a segurança do reprocessamento. Segundo a Associação Canadense de Assistência à Saúde (Canadian Healthcare Association), devem ser realizadas a validação do reprocessamento e a avaliação anual que incluem inspeções da limpeza dos artigos, testes de esterilidade e análise de pirógenos e de resíduos dos agentes esterilizantes. Com os dados obtidos no estudo, foi elaborada uma estimativa do custo do reprocessamento, caso fossem realizadas a validação e a avaliação anual do reuso, empregando os testes de controle de qualidade. O custo do reprocessamento, considerando a possibilidade de dez reusos do artigo, passaria a ser de R$185,19 no Caso nº 1 e R$363,10 no Caso nº 3. No Caso nº 2, em razão da baixa utilização das pinças do estudo, somente haveria vantagem econômica se o número de reusos fosse restrito a três reutilizações; o custo do reprocessamento passaria a R$595,82 o que corresponderia a 58% do preço do artigo novo. A economia anual obtida pelo reuso da pinça de corte de uso único seria de R$577.818,36 no Caso nº 1, de R$51.501,60 no Caso nº 2 e de R$275.350,40 no Caso nº 3. A grande diferença observada na economia dos casos analisados está diretamente relacionada ao número de artigos empregados anualmente e aos gastos referentes à validação e avaliação anual do reprocessamento. A economia possível não elimina a necessidade de serem analisados outros aspectos relacionados ao reuso, em especial, os técnicos e de segurança.<br>This study aimed to develop a methodological proposal for reprocessing cost analysis of dissection, apprehension and cutting single use instruments used in video-assisted surgeries. Reuse of such articles is a frequent practice in Brazil and many other countries, justified by their high cost, although technical viability of the process hasn’t been established. Single use articles reuse is still a controversial issue and technical, legal, ethical and safety aspects have been discussed and studied. In spite of the financial concern involved, few studies have approached the real economic impact of reuse and reprocessing of single use items. In this study a methodological proposal developed for cost calculation was applied in three hospitals in São Paulo State, according to the multiple cases study method. Data was collected comprising a three month period in the researched institutions, through observation and time measuring of the various reprocessing phases, record revision from Central Supply and Sterilization Unit and information gathered at the Human Resources Department, Articles Supply and Laundry Units. Reprocessing costs measured were of R$9,374 in hospital Case number 1, R$6,591 in Case number 2 and R$3,312 in Case number 3. Low reprocessing costs found in this study should be analyzed with great care in order to avoid interpretation as a justification for unrestrained reuse. On the contrary, the low reprocessing cost gives reason to concern when it is observed that quality control, in all three analyzed cases, has little participation in the final cost. Neither one of the institutions adopts quality control protocols recommended for reprocessing safety assurance. According to the Canadian Healthcare Association, reprocessing process validation must be undertaken as well as annual evaluations which includes cleanliness inspection of the articles, pirogenic substances analyses, sterility testing and sterilizing agents residue analysis. An estimate of the reprocessing cost was elaborated considering a scenario where process validation and annual evaluations were performed, through quality assurance tests. Reprocessing costs, considering the possibility of 10 article reuses, would then be of R$ 185,19 in Case number 1 and of R$ 363,10 in Case number 3. Regarding Case number 2, due to the low rate of usage of the article, there would only be a financial advantage if the number of reuse would be restricted to 3 reutilizations: reprocessing costs would then be R$ 595,82 which corresponds to 58% of the price of a new article. Annual economic saving obtained through reuse of the single use cutting instrument would be of R$ 577.818,36 in Case number 1, of R$51.501,60 in Case number 2 and of R$ 275.350,40 in Case number 3. The great difference observed in the savings for the analyzed cases is directly related to the number of articles used annually and to the expenses related to validation processes and the reprocessing protocol annual evaluation. Financial saving obtained does not eliminate the need to analyze other aspects related to reuse, mainly those concerning technical and safety aspects.

L’ornement est considéré comme excédentaire à un objet existant et n’a pas de rôle essentiel dans la création artistique. À partir de cette hypothèse, cette recherche se propose de démontrer le contraire de ce consensus. En effet, l’objectif de cette thèse n’est pas de changer la définition de l’ornement, mais de l’orienter vers une autre vision et une nouvelle approche. Comment allons-nous procéder pour prouver ce nouveau point de vue ?Biologiquement, c’est en démontrant comment l’artiste, notamment l’artiste-chercheur, crée et comment son cerveau et ses sens réagissent à la création. Tout en considérant l’étude des connexions neuronales dans son corps, afin de déterminer la relation entre ces « connexions biologiques » et les « connexions artistiques » dans la conception de l’ornement géométrique. Dans le contexte de la conciliation entre la théorie et la pratique dans la recherche, cette analyse est développée en interrogeant des artistes, des scientifiques et des ingénieurs. Il s’agit de suivre et de vérifier, sur les chantiers, le développement des projets artistiques qui se rapportent à notre thèse<br>Ornament is considered a mere surplus to an existing object and does not have an essential role in artistic creation. Based on this hypothesis, the research proposes to demonstrate the opposite of this consensus. Indeed, the purpose of this thesis is not to change the definition of ornament, but to orient it towards a different vision and a new approach.How are we going to propose this new point of view?Biologically, it is by demonstrating how the artist, especially the artist-researcher, creates and how his brain and senses react to the creation. By considering the study of neural connections in the artist’s body, we may determine the relationship between these ‘biological connections’ and ‘artistic connections’ in the design of geometric ornamentation. In the context of the reconciliation between theory and practice in research, this analysis will be conducted by interviewing artists, scientists and engineers. It will be useful to examine, in concrete examples, the development of artistic projects that relate to our thesis

La tesis se encarga de analizar, por un lado, la integración y el desarrollo de las nuevas tecnologías en la Administración de Justicia; y, por otro, los parámetros que constituyen la validez y eficacia del documento electrónico. <br/>La primera cuestión se centra en la configuración de los Sistemas de Información de la Oficina Judicial y del Ministerio Fiscal, así como de la informatización de los Registros Civiles, donde el art. 230 LOPJ es la pieza clave. Se estudian sus programas, aplicaciones, la videoconferencia, los ficheros judiciales y las redes de telecomunicaciones que poseen la cobertura de la firma electrónica reconocida, donde cobran gran relevancia los convenios de colaboración tecnológica. La digitalización de las vistas quizá sea una de las cuestiones con más trascendencia, teniendo en cuenta que el juicio es el acto que culmina el proceso. Aunque no todos los proyectos adoptados en el ámbito de la e.justicia se han desarrollado de forma integral, ni han llegado a la totalidad de los órganos judiciales. El objetivo final es lograr una Justicia más ágil y de calidad, a lo cual aspira el Plan Estratégico de Modernización de la Justicia 2009-2012 aprobado recientemente.<br/>En referencia a la segunda perspectiva, no cabe duda que el Ordenamiento jurídico y los tribunales, en el ámbito de la justicia material, otorgan plena validez y eficacia al documento electrónico. Nuestra línea de investigación se justifica porque cada vez son más los procesos que incorporan soportes electrónicos de todo tipo, ya sea al plantearse la acción o posteriormente como medio de prueba (art. 299.2 LEC). Entre otros temas examinamos el documento informático, la problemática que rodea al fax, los sistemas de videograbación y el contrato electrónico.<br>La tesi s'encarrega d'analitzar, per una part, la integració i el desenvolupament de les noves tecnologies dins l´Administració de Justícia; i, per l'altra, els paràmetres que constitueixen la validesa i l'eficàcia del document electrònic. <br/>La primera qüestió es centra en la configuració dels Sistemes d´Informació de l´Oficina Judicial i del Ministeri Fiscal, així com de la informatització dels Registres Civils, on l'art. 230 LOPJ es la peça clau. S'estudien els seus programes, aplicacions, la videoconferència, el fitxers judicials i les xarxes de telecomunicacions que tenen la cobertura de la firma electrònica reconeguda, on cobren gran rellevància els convenis de col·laboració tecnològica. La digitalització de les vistes tal vegada sigui una de les qüestions amb més transcendència, tenint amb compte que el judici es l'acte que culmina el procés. Però no tots el projectes adoptats en l'àmbit de la e.justicia s'han desenvolupat d'una manera integral ni han arribat a la totalitat dels òrgans judicials. L'objectiu final es assolir una Justícia més àgil i de qualitat, al que aspira el Pla Estratègic de Modernització de la Justícia 2009-2012 aprovat recentment. <br/>En referència a la segona perspectiva, no hi ha dubte que l´Ordenament jurídic i els tribunals, en l'àmbit de la justícia material, donen plena validesa i eficàcia al document electrònic. La nostra línia d'investigació es justifica perquè cada vegada son més el processos que incorporen suports electrònics de tot tipus, ja sigui quant es planteja l'acció o posteriorment como a medi de prova (art. 299.2 LEC). Entre altres temes examinem el document informàtic, la problemàtica que envolta al fax, els sistemes de videogravació i el contracte electrònic.<br>The thesis seeks to analyse, on the one hand, the integration and development of the new technologies in the Administration of Justice; and, on the other, the parameters which constitute the validity and efficiency of the electronic document.<br/>The first question centres on the configuration of the Information Systems of the Judicial Office and the Public Prosecutor, as well as the computerisation of the Civil Registers, where the art. 230 LOPJ it's the part key. Their programmes, applications, the Video Conferencing, the judicial registers and the telecommunication networks which are covered by the recognised electronic signatures, are studied, where the agreements on technological collaboration gain great relevance. The digitalisation of evidence might perhaps be one of the questions with most consequence, bearing in mind that the judgment is the act by which the process is culminated. Although not all the projects adopted within the compass of e.justice have developed completely nor have reached all the judicial organs. The final objective is to achieve an agile, quality Justice, to which the recently approved Strategic Plan for the Modernisation of Justice aspires.<br/>With reference to the second perspective, there is no doubt that the juridical Ordinance and the tribunals within the compass of material justice grant full validity and efficacy to the electronic document. Our line of investigation is justified because there are more and more processes which are sustained by electronic supports of all kinds, whether it be at the establishment of the action or later, as a proof of it (art. 299.2 LEC). Amongst other things, we examine the computerised document, the problems which surround the fax, the systems for video recording and the electronic contract.

The research in this thesis focused on developing an automatic video analysis approach for roadside object detection and classification. It investigated the problem of detecting roadside objects in unstructured environments. The major problem during the detection of roadside objects is the extraction of appropriate features. Successful classification of objects heavily depends on good feature representation. Learning algorithms produce low accuracy if the feature representation is poor. Hence, the main objective of this research is to develop novel feature extraction and classification techniques which can perform an accurate detection that is fast enough for real-time application.

<div>The objective of this research was to investigate the use of stereo video as a component of multimedia training materials in contexts where three-dimensional cues are particularly important. The particular application area investigated was the splicing of conveyor belts in the mining industry. The research has practical significance because it is a technique that has wide applicability in areas where training costs are high or involve dangerous activities.</div><div><br></div><div>The work is built upon a background of telepresence and virtual reality where simulated training environments are helping to reduce the costs and physical risks associated with training. Pairs of video clips were produced: each pair consisting of a two-dimensional and a three-dimensional clip. The three dimensional video was captured on a pair of video cameras arranged in such a way as to capture the binocular disparity needed for a three-dimensional depth cue. The two videos were then manipulated into a single file that could be played back on a PC and viewed by a person wearing VREX shutterglasses.</div><div><br></div><div>A group of volunteers undertook a trial of the application to determine if they could see differences between the two-dimensional and three-dimensional videos and whether they thought it made a positive difference to the learning process. Hardware limitations reduced the viewing size of the video on the screen, and reduced the frame rate at which the video could be replayed.</div><div><br></div><div>A number of hardware limitations were discovered which should be able to be overcome with increasing performance in processor and bus speeds. The technique shows promise for training in the mining industry.</div>

When humans explore and engage with their surroundings, they employ all of their senses for learning. Visualisation for conceptualisation can support learners with learning strategies to enhance learner-content engagement and improve outcomes. Immersive learning environments to support the context of the learning process are not widely available in system modelling, despite visualisation being an important skill in software engineering in the 21st Century workplace. The overarching goal of this thesis was to evaluate how multimodality influences learning in novice ICT students, compared to the use of traditional means for learning modelling systems. Learning immersion and abstract information can be provided through an improved contextualised experience that uses a 360-degree video case study and 3D printed syntax to create use case models and promote engagement and learning. This research describes the use of a 360-degree video case study and 3D printed objects as experiential learning tools supported by a guiding framework for learning system modelling. These iterations include three experimental implementations. In a tutorial class, undergraduate students participated in a use case modelling activity using a visualised scenario with 3D printed syntax supported by a sequential framework. Measures of motivation and engagement were assessed as part of the usability testing, and learning outcomes were compared between group conditions. This research employed mixed methods to better understand the data under consideration, following a design-based research methodology to create a solution in the form of a 360-degree scenario supported by haptic components. Using visual imagery and 3D objects as a means of learning reduces cognitive processing to support learner-content interaction that can be translated into an increased level of engagement for learning scaffolding. This research found that using a 360-degree video with haptic aspects creates a novel way to provide an engaging learning experience that is beneficial while learning system modelling. 3D printed items can be used to develop practical understanding while learning through immersion. This research study, both theoretically and practically, makes an important contribution to the field of learning system modelling for novice learners, particularly in understanding the modelling process, the semantics and syntax language. The development of a conceptual framework (4C) provides inexperienced students with learning guidance while engaging with the complexities of developing use case modelling. This set of visual guidelines enhances students' learning experiences and engagement in an ICT subject. This thesis sets the groundwork for researchers and educators to adopt multimodal methods of learning in STEM education that incorporate visual and sensory representations for learning conceptualisation to improve learning outcomes.<p></p>

Insufficient levels of physical activity increase the risk of developing cardiovascular disease, some cancers, diabetes, osteoporosis, depression, anxiety and obesity. However, less than half of the Australian population meet the minimum physical activity guidelines of accumulating 30 minutes of moderate intensity physical activity on most days of the week. This increases the burden of disease, lowers quality of life and costs the health care system over AUD $719 million per year. Therefore, there is an urgent need for effective population based interventions to increase physical activity at low cost for large numbers of people. The Internet provides a good platform to deliver physical activity interventions as it can reach large numbers of people at low cost. Whilst the short-term effectiveness of web-based interventions has been established, effective promotion of web-based interventions, as well as long-term participant engagement and retention into web-based interventions, can be problematic and needs to be addressed in order to improve the long-term effectiveness of these kinds of interventions. Therefore, the first study examined the cost-effectiveness of web-based advertising methods compared to traditional print-based advertising methods, as they have the potential to attract large numbers of people into a web-based physical activity intervention at a lower cost. For the second study, a 3-group randomised controlled trial was conducted to determine the effectiveness (in terms of retention, adherence, website engagement, satisfaction, physical activity changes and quality of life changes) of using online video-coaching (using Skype) in addition to personally-tailored physical activity advice. For the third study the effectiveness of video-tailored advice to improve attention and recall of the physical activity message was compared to basic text-tailored advice using eyetracking technology and a recall questionnaire. Findings from the recruitment evaluation (study 1) revealed that the cost-effectiveness of both the web-based and print-based methods varied substantially. Newspaper articles and community calendars cost the least per sign-up, but resulted in a small number of sign-ups (17 and 6 respectively). The targeted Facebook advertisements were the next most cost-effective method (AUD $45 per sign up), and reached the most number of sign-ups (184). People reached through the targeted Facebook advertisements were on average older and had a higher BMI than people reached through the other methods. Google advertisements and newspaper advertisements were not cost effective. Further research is needed to determine the effectiveness of Facebook advertising for attracting specific population groups and evaluate the use of mass-media to attract larger numbers to population level interventions. The intervention trial (study 2) revealed that the tailored advice + video-coaching group significantly improved their physical activity in comparison to a wait-list control group. However due to a low adherence to the coaching sessions, the tailored advice + video-coaching group did not improve their physical activity more than the tailoring only group. Participants who participated in the video-coaching sessions were nonetheless satisfied and had higher program and website engagement. Further research using online video-coaching should investigate ways to improve coaching adherence. The eye-tracking study (study 3) demonstrated that video-tailored advice leads to improved user-engagement compared to text-tailored advice (i.e., video participants paid more attention and interacted with the website for longer). However no group differences in recall of the physical activity message were found. More research is needed to determine how recall of computer-tailored advice can be improved and whether video-tailored advice can lead to greater health behaviour change than text-tailored advice. In summary, the findings from this PhD add valuable knowledge to the literature about improving the promotion, engagement and effectiveness of web-based physical activity interventions, and inform the development of the next generation of interventions.<p></p>

Coal mining represents a primary economic activity in Australia, but wastewater resulting from the extraction and refinement of coal can present risks for aquatic ecosystems. It is, therefore, imperative that the impacts of coal mine water releases on aquatic ecosystems are fully understood. The broad objectives of this thesis are to provide information on the potential toxicity and sub-lethal effects of coal mine wastewater on a range of native macroinvertebrate, amphibian, and fish species that are directly relevant to Central Queensland. In particular, the project evaluates the use of behavioural analysis as a tool for monitoring possible sub-lethal effects of wastewater releases on these organisms.