Dissertations / Theses on the topic 'Visitor perception'
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Frede, David. "A tale of two zoos : a study in watching people watching animals." Thesis, The University of Sydney, 2007. http://hdl.handle.net/2123/3762.
Full textFrede, David. "A tale of two zoos : a study in watching people watching animals." University of Sydney, 2007. http://hdl.handle.net/2123/3762.
Full textZoological gardens, or zoos, keep and display wild animals, mainly for the purposes of education, conservation and biological research. However, it is evident that a significant component of zoos is the vast number of people who visit them, since without the support of visitors, zoos would not be financially viable and would cease to exist. This research investigates the behaviours of these visitors and develops an understanding of their awareness relating to what they see and do while they are in the zoo, along with their motivations for visiting. The study focuses on two major metropolitan zoos in Australia: Adelaide (in South Australia) and Taronga (in Sydney, New South Wales). A brief historical account contextualises changes, raising awareness of the significance of visitors to the livelihood of zoos. More and more zoos are integrating into their management routines different programmes that relate to the care and welfare of the animals. Despite recent growth in scientific attention, which has focused on human-animal relationships, little research has been conducted relating to the human visitor in the zoo. To date, decisions made by administrators have been based upon assumptions of the visitors’ understanding of the work of zoos rather than on actual quantitative findings. This empirical research is significant in that it uses both quantitative and qualitative methods to appraise factual data and information. The data from unobtrusive tracking observations at different exhibits, combined with the results of questionnaire surveys, are used to explore and assess the perceptions of visitors. In developing a demographic profile of the people who visit zoos, this work considers the motivations and the frequency of visitors. Various factors that influence the viewing patterns of visitors are explored to assess the popularity of exhibits, and the perceptions of visitors relating to animals and enclosures are investigated, to assess the diverse levels of satisfaction. Case studies explore the perceptions and understandings of visitors towards the use of enrichment items, the use of signs and labels, and a hypothetical approach to the feeding of carnivores in zoos. The results are important in that they contribute essential knowledge that describes the perceptions of a wide range of people who visit zoos, along with their expectations, since it is crucial for these institutions to maintain their popularity with the public.
Yang, Aijun, and 杨爱军. "Visitor perception of the natural environment: a case of the Laojunshan mountain areas, China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B47147994.
Full textCraggs, R. "Tourism and urban regeneration : an analysis of visitor perception, behaviour and experience at the quays in Salford." Thesis, University of Salford, 2008. http://usir.salford.ac.uk/14889/.
Full textEmanuel, Louise Coralie. "An investigation of visitor and resident place perceptions of Mid Wales, and an evaluation of the potential of such perceptions to shape economic development in the area." Thesis, Open University, 1997. http://oro.open.ac.uk/57683/.
Full textLee, Nathaniel H. "Environmental Impacts of Camping in Low Regulatory Wilderness: Geographic Patterns in the Allegheny National Forest and their Implications for Management." Kent State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=kent1523442960070504.
Full textMaior-Barron, Denise Cristina Ioana. "Petit Trianon and Marie Antoinette : representation, interpretation, perception." Thesis, University of Plymouth, 2015. http://hdl.handle.net/10026.1/3930.
Full textCameron, S. M. "First-time mothers and their health visitors : perceptions of a home visit." Thesis, University of Edinburgh, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.642345.
Full textChopin, Adrien. "Traitements probabilistes implicites de la perception ambigüe en vision humaine." Paris 5, 2011. http://www.theses.fr/2011PA05H121.
Full textBistability is a surprising alternation of the appearance of a stimulus between two interpretations of that stimulus. It occurs when a physical stimulation is ambiguous, e. G. When very different images are displayed to each eye. Bistability involves (1) a decision that the stimulus has to be bistable; (2) a selection of the first percept; (3) a suppression of the other percept; (4) a decision of when reversing the percepts. While the two first steps have been widely studied, a lot remain to be discovered on the two last steps. Here, we focus on the mechanisms that decide for rivalry rather than fusion (study 4), that choose the first percept (studies 1 to 5) and on bistable dynamics (studies 1 and 3). Moreover, the literature tends to support a low-level explanation of binocular rivalry, i. E. Occurring as soon as the first steps of cognitive computation, before any complex calculation. One of the main goals of this work is to clarify the potential influence of probabilistic processes that may be more complex. I studied (1) the influence of one interpretation’s usefulness on bistability; (2) the way of changing bistable preferences; (3) the specificity of the first percepts; (4) the influence of orientation illusion on stereo-fusion and rivalry; (5) the influence of past stimuli on the bistable percept through predictions. I found that: (1) One useful interpretation is perceived more often on the first percept of a bistable episode of binocular rivalry. This influence is implicit, not attentional and implies probabilistic computations about percept usefulness. (2) Usefulness can change preferences for motion transparency depth rivalry: those preferences are therefore aimed at increasing the observer’s success to a task. (3) The first percept of binocular rivalry is not the only one to be different from the others and that voluntary control is more effective at the beginning of a bistable episode for the not preferred percept. (4) The step of illusory contrast between orientations occurs lower in the hierarchy relative to stereopsis and binocular rivalry. (5) A strong positive correlation between the remote visual past and the current perceived orientation in binocular rivalry. We explained this finding with a model of predictive adaptation according to which the visual system predicts the next percept following the following rule: the recent distribution of orientations has to match the remote past distribution. Here again, probabilistic computations are involved. To summarize, this work mainly uncovers the existence of probabilistic computations in ambiguous perception through usefulness computation and predictions in adaptation
Moar, Kathryn. "Determinants of visitors' perception of the Adelaide Zoo /." Title page, contents and abstract only, 1987. http://web4.library.adelaide.edu.au/theses/09SPS/09spsm687.pdf.
Full textLuckman, Adrian John. "Active perception in machine vision." Thesis, University of York, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280521.
Full textSefela, Farren. "Biting the hand that feeds you: Visitor perceptions of visitor-baboon interaction in the Cape Peninsula." University of the Western Cape, 2020. http://hdl.handle.net/11394/7953.
Full textThe rapid increase in urbanisation and tourism in the Cape Peninsula has increased the rate of human-wildlife interaction. The Cape Peninsula is unique in terms of placing urban areas next to protected natural areas with no physical barriers, thus allowing animals, especially baboons, to travel between the two areas, occasionally leading to conflict between humans and wildlife. Visitors to popular tourist sites may also actively participate in feeding baboons or through negligence by leaving food items in the open. As a result, changing the habits of the baboons as human food and food waste are seen as the preferred option in terms of dietary habits. The main aim of this study was to investigate the perceptions and social construction of visitors in the Cape Peninsula towards baboons at tourist sites. Social constructionist theory was used as the theoretical framework for the study, which looks at the way people perceive nature and wildlife, which is unique to each person. The study uses an exploratory sequential mixed methods design, with a qualitative section that includes three semi-structured interviews, followed by a quantitative section consisting of a questionnaire survey, with 201 questionnaires being completed. The survey was conducted at key tourist sites around the Cape Peninsula that are well known for baboon sightings, including Bordjiesrif Picnic Site, Buffels Bay viewpoint, Cape of Good Hope/Cape Point and Dias Beach. The study used discourse analyses and the Statistical Package for the Social Sciences (SPSS) to analyse the data, which allowed for ideas to be labelled and linked to opinions in the literature, and patterns identified during the data collection. Visitors viewed tourism spaces as anthropocentric areas, and thus perceived baboon-visitor interactions through conditional acceptance. Visitor perceptions and social construction of baboon-visitor interactions may be positive when conditional acceptance is adhered to, and negative when conditional acceptance is broken. Recommendations for further research includes more research on non-consumptive tourism activities and its impact on human-wildlife interactions, with a need for more literature on the influence of education on people’s attitudes towards wildlife, and finally, more research that focuses on the changing behavioural ecology of baboons, due to an increase in tourism/visitation.
Iafrate, David. "Prise d’informations et stratégies de recherche visuelle : mouvements et contrôle oculaire dans des tâches visuelles dynamiques." Bordeaux 2, 2007. http://www.theses.fr/2007BOR21508.
Full textThe sporting stakes of today lead us to interest us in a factor which seems relevant in the performance in football: strategies of visual search. Because the vision influences the capacity of an athlete to being powerful in a sporting spot, on of the principal objectives of this research task is to determine if the experts and the beginners use behaviours of visual search or different. The majority of search was focused on the identification of the visual skills (perceptive) necessary in sport; these perceptive skills play and also crucial part in the life of the every day such as for example in automobile control. Indeed, the skill to anticipate a future event based on information presented precociously, is one of the most important skill under tightening the driving performance. For example, in football, the capacity to anticipate the intentions of the adversary on the basis of postural signal (knees, hip), provides a crucial advantage for the performance. The majority of the research tasks on the expertise perceptive (and cognitive) adopted a framework of process informational and used the paradigm expert-beginner. The originality of our study lies in the experimental installation. Indeed, the data on the strategies of visual search collected by the preceding studies were it in closed situations, by using videos, photographs or slides. We propose here to record the visual movements of the player in real situations of play. For that, we will use Eye Tracker, allowing recording the ocular movements of the players. We will be interested mainly in the behaviours of visual scanning used by the beginners and the experts during various types of tasks. We will study the visual scene inspected by each fixing and we will identify what the player looks in each fixing. The comparison between young people (experts/beginners) and adults (experts/beginners) will then enable us to plan a program of perceptive training in order to improve the “tactical” direction of the player, during his formation
Haarhoff, R., and A. J. Strydom. "Price perceptions of international visitors to South Africa." Journal for New Generation Sciences, Vol 8, Issue 3: Central University of Technology, Free State, Bloemfontein, 2010. http://hdl.handle.net/11462/567.
Full textThe question often arises as to how aware consumers are of prices of products and how much they are willing to pay for particular products. Research indicates that 'excellent value for money' is rated as the number one priority by consumers. In economically challenging conditions, tourists have become more price sensitive and prices charged will influence their decision-making. South Africa, as a destination, must ensure that prices charged for tourism products meet tourists' expectations and therefore research on the price perceptions in relation to major products that international tourists spend money on whilst on holiday, becomes important. As point of departure, it should be possible to establish the difference, if any, between what the tourists expected to pay for specific tourism products, and what they actually paid.
Lustman, Francis. "Vision stéréoscopique et perception du mouvement en vision artificielle." Paris 11, 1987. http://www.theses.fr/1987PA112443.
Full textLustman, Francis. "Vision stéréoscopique et perception du mouvement en vision artificielle." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37607531q.
Full textClaro, Marisa Fernandes. "Visita domiciliária de enfermagem no puerpério." Bachelor's thesis, [s.n.], 2014. http://hdl.handle.net/10284/4440.
Full textO puerpério é considerado por muitos como um momento de adaptação física, psicológica e social. O período pós-parto demonstra-se ser uma fase onde a puérpera se depara com bastantes dificuldades e dúvidas quanto à sua condição. É momento cheio de peculiaridade e de vulnerabilidade na vida da mulher, em que a mesma precisa ser orientada quanto às mudanças e às adaptações que esse período impõe. A visita domiciliária tem-se demonstrado ao longo do tempo, uma estratégia adotada pelos enfermeiros para um melhor acompanhamento da puérpera e da família nesta fase. Esta permite aos profissionais de saúde, guiar, apoiar e aconselhar os pais a adquirir atitudes atitudes e comportamentos que lhe permite vivenciar este período sem complicações. Face a estas constatações surgiu a inquietação de conhecer a perceção das mulheres quanto à visita domiciliária de enfermagem no puerpério, assim como a relação desta com a idade, as habilitações literárias, a vigilância pré-natal e a frequência do curso de preparação para o parto/parentalidade. De forma a dar resposta a estas questões, foi realizado um estudo em meio natural, descritivo-exploratório com abordagem quantitativa. A colheita de dados foi realizada através da aplicação da EAVDPP, entre o dia 26 de Março de 2014 e 23 de Maio de 2014, na USF Lethes. Dos resultados obtidos pode se concluir que as puérperas consideram que a visita domiciliária no puerpério carece de uma grande importância. A maioria das mulheres considerou a visita domiciliária como boa, mas existe ainda uma grande percentagem de puérperas que a considera insuficiente e considera que é necessário melhorar alguns domínios.
The puerperium is considered by many authors as a moment f physical, psychological and social adaptation. The postpartum period demonstrates to be a phase in which the recent mother is faced with several difficulties and doubts regarding its condition. It is a moment full of peculiarities and doubts regarding its condition. It is a moment full of peculiarities and vulnerability in a woman´s life, in which she needs to be guided as to the changes and the adjustments that this period imposes. The house visit has, throughout time, been proved to be a strategy a strategy by the nurses for a better supervision of the recent mother and the family at this stage. This strategy allows health professionals to guide, support and advises parents to acquire attitudes and behaviors which allow them to experience this period without so many complications. Considering this information the concern of knowing the perception of the recent mother regarding the nurses house calls arose, as well as its relationship with age, academic qualifications, prenatal vigilance and the childbirth/parenting training course attendance. In order to return to these questions, a study was conducted in the natural surroundings, descriptive-exploratory with a quantitative approach. The data collection was carried out through the application of the EAVDPP, between Marc 26th 2014 and May 23rd 2014, at USF Lethes. From the results obtained we can conclude that recent mothers consider that the house visit in puerperium stands in need or a great importance. Most recent mothers considered the house visit as good, but there is still a large percentage of recent mothers who consider it insufficient and, moreover, that it is necessary to improve some areas.
Bossé, Anne. "L'expérience spatiale de la visite : engagement dans l'action, épreuve collective et transformations urbaines." Thesis, Tours, 2010. http://www.theses.fr/2010TOUR1501/document.
Full textThis doctoral thesis has exploited the opportunity to study the known fact that exploring the act of visiting in itself has been somewhat neglected. This act understood as a unique spatial experience is analysed as a register of the spatiality of individuals. This research piece is divided into two parts. The first part is a study built around a geographical approach of the act of visiting and the visitor. Pinned th the pragmatic vein, the second part brings toghether empirical data, prioritising the visitor in his/her process, the visit in its process and the activity of « seeing th town/city in construction ». During the visit, discussing and viewing are acts taken into account from their very contextual origins, forcing us to consider every demand revolving around this situation as a common driving force. The final chapter conceptualised urban space through the lens of the visit
Wassenberg, Katherine Elizabeth. "Mount San Jacinto State Park Visitor Attributes, Preferences, and Perceptions." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/91.
Full textAyhan, I. "Vision-based mechanisms of time perception." Thesis, University College London (University of London), 2010. http://discovery.ucl.ac.uk/623426/.
Full textGampher, John Eric. "Perception of motion-in-depth induced motion effects on monocular and binocular cues /." Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2009r/gampher.pdf.
Full textTitle from PDF title page (viewed Mar. 30, 2010). Additional advisors: Franklin R. Amthor, James E. Cox, Timothy J. Gawne, Rosalyn E. Weller. Includes bibliographical references (p. 104-114).
Kundlatsch, César Augusto. "A PERCEPÇÃO DO VISITANTE NO PARQUE ECOTURÍSTICO MUNICIPAL SÃO LUIS DE TOLOSA EM RIO NEGRO - PR." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2015. http://tede2.uepg.br/jspui/handle/prefix/577.
Full textThis project had the goal identify the perception of visitors of the Ecotouristic Municipal Park São Luis Tolosa ( PEMSLT ), located in the city of Rio Negro-PR during the year of 2014. Analyzed how the old Seraphic Seminary revitalization process that was active between the 1910s to 1970, transformed the place into an important integral protection conservation unit. It is now considered the main municipal park visitation and also disseminating awareness of preservation and conservation of native species, and a proposal for inter-relations between society and the environment as well as ecotourism. It also proposed public use strategies taking into account its principles of creation, trying to analyze the tourist nature of the protected area based on theoretical frameworks and perception of visitors by relating their habits and attitudes in PEMSLT. Also tried to verify how environmental education is carried out in the protected area, as an instructional tool to boost the participation of urban and tourism collective within the park. The methodology used was interviews to visitors from April to September 2014, with the development of direct and indirect questions, applied to visitors during their tour and visitation, and also behavioral analysis of visitors during their activities in the park. Most visitors realize that the most significant theme of PEMSLT's environmental focus, with emphasis on animal and plant species present. Highlight the preservation of the area in harmony with the architectural beauty of these buildings. However, visitors identify management needs in the direction of improvement of signs, constant presence of monitors trails enrichment of visitation and environmental awareness, greater coordination between the different spheres of the management team, improved fast-food infrastructure, responsibility and suggestions for the visitation trails.
Este trabalho teve por meta identificar a percepção dos visitantes do Parque Ecoturístico Municipal São Luís de Tolosa (PEMSLT), localizado no município de Rio Negro-PR, durante o ano de 2014. Analisou como o processo de revitalização do antigo Seminário Seráfico que esteve em atividade entre as décadas de 1910 a 1970, transformou o lugar em uma importante unidade de conservação de proteção integral. Atualmente é considerado o principal parque de visitação do município e também o disseminador da sensibilização de preservação e conservação de espécies nativas, e uma proposta de inter-relações entre sociedade e meio ambiente e também do ecoturismo. Propôs também estratégias de uso público levando em consideração seus princípios de criação, procurando analisar a natureza turística da unidade de conservação baseando-se em referenciais teóricos e na percepção dos visitantes, relacionando seus hábitos e atitudes no PEMSLT. Também procurou verificar como a educação ambiental é realizada na unidade de conservação, como ferramenta instrucional para dinamizar a participação do coletivo urbano e turístico dentro do parque. A metodologia utilizada foi a de entrevistas aos visitantes no período de abril a setembro de 2014, com a elaboração de perguntas diretas e indiretas, aplicadas aos visitantes, durante seu passeio e visitação, e também análise do comportamento dos visitantes durante suas atividades no parque. A maior parte dos visitantes percebeu que a temática mais expressiva do PEMSLT é o de enfoque ambiental, com destaque às espécies animais e vegetais presentes. Destacam a preservação da área em harmonia com a beleza arquitetônica das edificações presentes. Contudo, os visitantes identificaram necessidades de gestão no sentido de melhoramento das sinalizações, presença constante de monitores de trilhas para enriquecimento da visitação e da sensibilização ambiental, maior articulação entre as diferentes esferas da equipe de gestão, melhorias na infraestrutura de lanchonetes, de receptividade e sugestões para as trilhas de visitação.
Costa, Robson Xavier da. "Percep??o Ambiental em Museus Paisagens de Arte Contempor?nea: a legibilidade dos museus Inhotim/Brasil e em Serralves/Portugal avaliada pelo p?blico/visitante." Universidade Federal do Rio Grande do Norte, 2014. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12320.
Full textThis thesis nalyzes the wayfinding in Landscape Museum of Contemporary Art (MPAC), based on the Institute of Contemporary Art CACI, Minas Gerais, Brazil and the Museum of Contemporary Art of the Serralves Foundation, Porto, Portugal. The study focuses on the interrelationship of the public/visitors with the landscape, architecture and contemporary art museums in these, in order to understand visual perception and apprehension of such an environment for their users. For both were confronted documentation (visual and written) and people talk. The main hypothesis put forward is that the audience/visitor MPAC appreciates the interrelationship between the natural environment (park/garden) and built environment (the works of contemporary art and the galleries), giving equal value to both. To complement this, a second hypothesis is that during the visit to MPACS, visitors define their paths spontaneously, but strongly influenced by existing visual indicators (maps, signage and striking landscape elements), which facilitate the readability of space, which also contribute to the offered services and the experiences of similar institutions. The analytical basis of the research used the concepts of legibility (LYNCH, 2009), wayfinding (GIBSON, 2009; ARTHUR, PASSINI, 2002; WEISMAN, 1982), Experiential Cotinnum (TUAN, 1985), Space Bound (CRUZ PINTO, 2007) and habitus (BOURDIEU, 1992). Methodologically was used qualitative research (DEMO 2000) by means of a case study (YIN, 2005; STAKE, 1999) and participant observation (WHYTE, 2005). In the two institutions interviews with researchers and curators, behavior observation and questionnaires from employees, trainees, monitors and the public/visitor of the two museums were performed. Although partially referende the initial hypothesis, the research showed that the public/visitor value appears more natural environments, they experience a greater intensity and in addition to the factors listed in the second case, your perception and definition of paths suffer significant influence of emotional relations established with space. Generally the audience/visitor adapts easily to different demands of contemporary art exhibition in the two museums and the built environment (park/garden and museum) interferes with your reading path during the visit, perceived by the public/visitor condition as a factor that favors the enjoyment of works on different mounts (wayfinding), though often become a factor that hinders the legibility of the building and its built environment
Para responder ? pergunta de partida como as pessoas percebem o ambiente de Museus Paisagem de Arte Contempor?nea (MPAC) e se orientam neles? , esta tese investigou a percep??o ambiental de usu?rios de dois museus: o Instituto de Arte Contempor?nea do Inhotim, Minas Gerais, Brasil e a Funda??o de Serralves, Porto, Portugal. O estudo focaliza a interrela??o do p?blico com o espa?o de cada MPAC (conjunto de sua paisagem, arquitetura e arte contempor?nea), focando especificamente quest?es de wayfinding (navegabilidade ambiental), de modo a compreender como tal ambiente ? apreendido pelos visitantes. Para tanto foram confrontadas informa??es provenientes da documenta??o (visual e escrita) das institui??es e dos depoimentos (falas) dos usu?rios. A principal hip?tese defendida ? que o p?blico/visitante de MPAC valoriza a interrela??o entre o ambiente natural (parque/jardim) e o ambiente constru?do (galerias e obras de arte contempor?neas), atribuindo igual valor a ambos. Em complementa??o a esta, uma segunda hip?tese indica que durante a visita aos MPACs, os visitantes definem seus trajetos de maneira espont?nea, por?m fortemente influenciados pelos indicadores visuais existentes (mapas, sinal?tica e elementos marcantes da paisagem), os quais facilitam a legibilidade do espa?o, para o que tamb?m contribuem os servi?os oferecidos e as experi?ncias vivenciadas em institui??es semelhantes. A base anal?tica da pesquisa recorreu aos conceitos de Legibilidade Ambiental (LYNCH, 2009), wayfinding (GIBSON, 2009; ARTHUR, PASSINI, 2002; WEISMAN, 1982), Continuum Experiencial (TUAN, 1985), Espa?o Limite (CRUZ PINTO, 2007) e Habitus (BOURDIEU, 1992). Metodologicamente foi utilizada a pesquisa qualitativa (DEMO, 2000) por meio de estudo de caso (STAKE, 1999; YIN, 2005) e observa??o participante (WHYTE, 2005). Nas duas institui??es foram realizadas entrevistas com pesquisadores e curadores, observa??o de comportamentos e aplica??o de question?rios com o p?blico/ visitante, os funcion?rios, estagi?rios e monitores. A investiga??oreferendou parcialmente a hip?tese inicial, mostrando que o p?blico/visitante aparenta valorizar mais os ambientes naturais, que s?o vivenciados em maior intensidade. Quanto ? segunda hip?tese, al?m dos fatores indicados, a percep??o ambiental e a defini??o de trajetos pelos usu?rios sofre significativa influ?ncia das rela??es emocionais que estabelecem com o espa?o. De maneira geral, em termos de wayfinding verificou-se que o p?blico/visitante: (i) se adapta com facilidade ?s diferentes demandas expositivas da arte contempor?nea nos dois museus; (ii) percebe que a frui??o das obras ? favorecida pelo ambiente vivenciado (espa?o constru?do e parque/jardim), o qual tem interfer?ncia na sua leitura do trajeto durante a visita; (iii) em muitas situa??es, a grande atratividade dos usu?rios pelas obras de arte e pelo parque/jardim dificultam a legibilidade das edifica??es existentes e do seu espa?o interno
Townsend, Amanda. "Attitudes, perception and behaviour among visitors at the Adelaide Zoo /." Title page, table of contents and abstract only, 1988. http://web4.library.adelaide.edu.au/theses/09ARPS/09arpst747.pdf.
Full textSkelton, Alice Elizabeth. "Infant colour perception." Thesis, University of Sussex, 2018. http://sro.sussex.ac.uk/id/eprint/77041/.
Full textStoddart, Evan. "Computer Vision Techniques for Automotive Perception Systems." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555357244145006.
Full textMachrouh, Joseph. "Perception attentive et vision en intelligence artificielle." Paris 11, 2002. http://www.theses.fr/2002PA112301.
Full textThe work presented in this thesis deals with the development of software agents endowed with perceptive capacities. To provide such a system with exploratory capacities supposes the determination of interest points in the scene. In order to be able to move in the image, one will distinguish a low-resolution wide field processing and a high resolution focal processing. One thus separates the exploration phase associated to the search of interest points from the exploitation phase associated to recognition recognition. The selected points consist of energy maxima computed using wavelet filters covering a range of orientations and frequencies. The low frequencies are used to determine the peripheral saliency. Principal Component Analysis (PCA) projection system was computed from a representative sample of natural scenes. This system was used to categorize the interest points of an unspecified scene. The system thus can use several points of view to guide its attentionnal mechanisms. The energy of these interest points according to various orientations and space frequencies is then used to index them. We showed that the low frequency components of this indexed representation are sufficient to bias the saliency of the scene in favor of targets similar to the representations memorized. They are also sufficiently robust to preserve this property in a video sequence subject to strong contrast variations. We showed as well that interest points based on a multi-scale frequency analysis can be used to control exploratory saccades by using a bottom-up mechanism; the low frequency part of such a representation can be used to control the saccades required to attain the target in a top-down way
Wang, Shaoxiong S. M. Massachusetts Institute of Technology. "3D shape perception from vision and touch." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122914.
Full textThesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2019
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 47-52).
Perceiving accurate 3D object shape is important for robots to interact with the physical world. Current research along this direction has been primarily relying on visual observations. Vision, however useful, has inherent limitations due to occlusions and the 2D-3D ambiguities, especially for perception with a monocular camera. In contrast, touch gets precise local shape information, though its efficiency for reconstructing the entire shape could be low. In this thesis, we propose a novel paradigm that efficiently perceives accurate 3D object shape by incorporating visual and tactile observations, as well as prior knowledge of common object shapes learned from large-scale shape repositories. We use vision first, applying neural networks with learned shape priors to predict an object's 3D shape from a single-view color image. We then use tactile sensing to refine the shape; the robot actively touches the object regions where the visual prediction has high uncertainty. Our method efficiently builds the 3D shape of common objects from a color image and a small number of tactile explorations (around 10). Our setup is easy to apply and has potentials to help robots better perform grasping or manipulation tasks on real-world objects.
by Shaoxiong Wang.
S.M.
S.M. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
Cheng, Chuen-kei Joseph, and 鄭傳基. "Path perception from optic flow." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B4961759X.
Full textpublished_or_final_version
Psychology
Doctoral
Doctor of Philosophy
Lerman, Hemdat. "Vision-based demonstratives." Thesis, University of Oxford, 2005. http://ora.ox.ac.uk/objects/uuid:e44728e4-ba4d-4555-bedf-ffe559880652.
Full textClery, Stéphane. "Psychophysical studies of interactions between luminance and chromatic information in human vision." Thesis, University of St Andrews, 2014. http://hdl.handle.net/10023/6376.
Full textTudor, RG. "Looking out: an investigation of the visitor's experience of natural environment." Thesis, Bec Tudor, 2005. https://eprints.utas.edu.au/1982/1/Masters_of_Art%2C_Design_%26_Env_Research_Paper_-_Bec_Tudor.pdf.
Full textChan, Y. M. "Depth perception in visual images." Thesis, University of Brighton, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380238.
Full textWard, David. "Action-space theory of conscious vision." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/5604.
Full textBeidleman, Carol Aileen 1956. "Visitor attitudes and perceptions of use management in Rocky Mountain National Park." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276758.
Full textLambert, Hayley M. "Emotion Discrimination in Peripheral Vision." TopSCHOLAR®, 2018. https://digitalcommons.wku.edu/theses/2087.
Full textChristou, Christakis Georgiou. "Human vision and the physics of natural images." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386936.
Full textQuan, Long. "Contribution de la vision monoculaire à la perception tridimensionnelle." Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10444.
Full textJovanovic, Ljubica. "Contextualizing the clock(s) : integrating cues for the perception of time and timing an action." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEE034/document.
Full textRelevant events in our environment are embedded in the complex, multisensory stream of information. Time perception is malleable, and numerous time illusions suggest that the perceived time of events is affected by context. The work presented in this thesis investigated how different aspects of human time perception and timing an action are affected by context. In the first part of the thesis, we investigated how the explicitness of the event onset affects perceived elapsed time between two points in time. The temporal context affected the estimates more in the implicit onset condition. The estimates were more biased towards the mean of the presented durations, and sensitivity of duration discrimination sensitivity was lower in the condition with no explicit onset of the duration to be timed. The effects of the temporal and spatial context on the perceived time of events were addressed in the second part. The findings suggest that the perceived time of events can be easily and compulsory biased by the temporal and spatial context. Findings from these studies support the hypothesis that the perceived time of events does not always correspond the the perceptual latencies measured in the reaction time tasks, and that the saliency is an important cue for the perceived time. Finally, in the third part, we investigated how different sources of uncertainty affect the timing and self-evaluation of an action. The findings suggest that timing an action and evaluating its outcome may, at least in part, rely on different computations
Maule, John. "Ensemble perception of hue." Thesis, University of Sussex, 2016. http://sro.sussex.ac.uk/id/eprint/61471/.
Full textChan, Po Yu. "Visitors' perceptions of the Hong Kong global geopark of China." HKBU Institutional Repository, 2013. https://repository.hkbu.edu.hk/etd_ra/1547.
Full textDesanghere, Loni. "Gaze strategies in perception and action." Experimental Brain Research, 2011. http://hdl.handle.net/1993/17898.
Full textMarié, Éric. "Controle dopaminergique de la perception visuelle." Aix-Marseille 2, 1993. http://www.theses.fr/1993AIX20033.
Full textGunther, Karen La Vaughn. "The neural mechanisms underlying color perception /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2002. http://wwwlib.umi.com/cr/ucsd/fullcit?p3044771.
Full textOr, Chun-fai Charles. "The interaction of motion and form in the perception of global structure a glass-pattern study /." Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B36225009.
Full textOr, Chun-fai Charles, and 柯駿輝. "The interaction of motion and form in the perception of global structure: a glass-pattern study." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B36225009.
Full textTsui, Sum-yin. "Local motion in the image plane and in the stereo-depth plane distorts an object's perceived location and spatial arrangement." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38610607.
Full textLi, Wang-on. "Global motion distorts perceived shape an investigation of the relationship between motion and form /." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38609484.
Full textLi, Wang-on, and 李允安. "Global motion distorts perceived shape: an investigation of the relationship between motion and form." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38609484.
Full textSTRYBEL, THOMAS ZIGMUNT. "AUDITORY APPARENT MOTION IN THE FREE FIELD." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184100.
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