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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Visual control in natural and artificial systems

Young, Rupert January 2000 (has links)
The desire to produce artificial vision systems which behave in an intelligent, humanlike way or which can autonomously and automatically perform tasks currently only performed by humans has been a goal of Artificial Intelligence research for many decades. Until recently much of the research concentrated on extracting visual representations of objects from single, static scenes. The last decade has seen an increase in interest concerning mobile robotics for navigation, planning and autonomous control as well as for the interpretation of events in real, dynamic scenes. Presented in this thesis is research on artificial vision systems from two different, but both necessary, standpoints. One concerns low-level vision-based behaviour of object tracking based upon a naturalistic theory of perception and behaviour within living systems. The other takes a more application and engineering based approach and its goal is to address high-level scene interpretation and control of processing resources. Numerous experiments are presented to demonstrate the various issues. The two main experiments, corresponding to the two research streams, are a system which is able to fixate complex multi-coloured objects and a fully integrated vision system for predicting and following, with a mobile sensor, events in a dynamic scene.
2

Understanding musical emotion: Exploring the interaction between cues, training, and interpretation

Battcock, Aimee January 2019 (has links)
Previous work on conveyed musical emotion has often focused on experimentally composed and manipulated music, or multi-lined music selected to express overt emotions. This highly controlled approach may overlook some aspects of the complex relationship between composers, performers, and listeners in transmitting emotional messages. My PhD research focuses on how listeners perceive emotion in music, specifically, how listeners interpret musical features such as timing, mode and pitch in complex musical stimuli. I also demonstrate how listeners with musical expertise use cues differently to perceive emotion and the effect of performer interpretation on this communication process. Throughout this dissertation I use a dimensional approach capturing perceived valence and arousal to assess complex musical stimuli. I adapted a technique used in other domains to music, affording an opportunity to explore nuanced relationships between cues and listener ratings of emotion. In Chapter 1 I show that musically untrained adults mainly use cues of timing and mode when rating emotional valence, mirroring previously reported. Additionally, I show that although pitch information emerges as a significant predictor of listener’s valence ratings, listeners use it less than cues such as timing and mode. Further, I demonstrate that neither mode nor pitch information help listeners rate perceived arousal. Finally, in Chapter 4, I show differences in performer interpretation mediate the strength of individual cues, as well as the distribution of emotional ratings across each album. In Chapter 3, I demonstrate that listeners with musical training use cues differently than untrained listeners, with more reliance on information communicated through mode when making judgements of emotional valence. Altogether these findings corroborate previous evidence suggesting timing and mode cues are of the greatest importance in conveying /perceiving emotion, this process is further mediated by individual differences in both pianist (interpretation) and listener (musical training)—underscoring the complex relationship between composer, performer, and audience. / Dissertation / Doctor of Philosophy (PhD) / Musical performers and composers express emotions through the selection and use of various musical features, or cues. Studies exploring how listeners perceive emotion in music have identified several cues important to this process—often using tightly controlled (and constrained) tone sequences crafted for experimental purposes. More work is needed to examine how listeners decode communicated emotion in unaltered passages created by renowned composers—the kind of music routinely performed and enjoyed by audiences for generations. Here in three sets of experiments I apply a novel stimulus set and analysis to determine the relative importance of three musical features. Additionally, I explore the role of the listener’s level of expertise as well as the importance of performers’ interpretative decisions. My work offers a new way to understand the relationship between musical features and emotional messages, helping to clarify one of music’s most mysterious and powerful capabilities.
3

Hermenêutica do patrimônio e apropriação do território em Ouro Preto - MG / Hermeneutics of the heritage and territory appropriation in Ouro Preto MG

Villaschi, João Nazario Simões 26 May 2014 (has links)
No processo de patrimonialização vertical e excludente de Ouro Preto - que perpassa do tombamento, em 1933 ao título de Cidade Patrimônio Cultural da Humanidade, em 1980 -, conflitos entre a comunidade e os órgãos reguladores do patrimônio símbolo nacional se materializam nas modalidades cotidianas de apropriação do território. A abordagem dialética das contradições socioterritoriais encontra na hermenêutica dialógico-reflexiva do patrimônio o esteio para a proposição da metodologia de percursos sensoriais interpretativos. No âmbito deste doutoramento, sua avaliação crítica acena para a compreensão do universo simbólico, histórica e socialmente produzido, na perspectiva de construção de práxis emancipadoras, do refazimento do exercício íntegro e integrado da cidadania e do empoderamento sociocultural. A partir da análise das relações objetivadas no centro histórico, descortinam-se os movimentos de totalização urbana, no entendimento da realidade local e global, do particular e universal, do horizontal e vertical / In the vertical and excludent heritagisation process of Ouro Preto - whitch takes place since its federal conservation law in 1933 until the title of Cultural Heritage City of the Humanity in 1980 - conflicts between the community and the regulatory organs of the national heritage symbol are materialized in the daily modes of territory appropriation. The dialectical approach of socio-territorial contradictions finds in the dialogical-reflective hermeneutics of the heritage the bases for the proposition of the sensory interpretative pathways methodology. Within this thesis, its critical evaluation signals for understanding the historical and socially produced symbolic universe, in the construction perspective of emancipatory praxis, of the repair of the integrated exercise of citizenship and of the socio-cultural empowerment. From the analysis of the relations objectified at the historical center, the movements of urbane totalisation are unveiled, towards the understanding of the local and global reality, of the particular and universal, of the horizontal and vertical
4

Hermenêutica do patrimônio e apropriação do território em Ouro Preto - MG / Hermeneutics of the heritage and territory appropriation in Ouro Preto MG

João Nazario Simões Villaschi 26 May 2014 (has links)
No processo de patrimonialização vertical e excludente de Ouro Preto - que perpassa do tombamento, em 1933 ao título de Cidade Patrimônio Cultural da Humanidade, em 1980 -, conflitos entre a comunidade e os órgãos reguladores do patrimônio símbolo nacional se materializam nas modalidades cotidianas de apropriação do território. A abordagem dialética das contradições socioterritoriais encontra na hermenêutica dialógico-reflexiva do patrimônio o esteio para a proposição da metodologia de percursos sensoriais interpretativos. No âmbito deste doutoramento, sua avaliação crítica acena para a compreensão do universo simbólico, histórica e socialmente produzido, na perspectiva de construção de práxis emancipadoras, do refazimento do exercício íntegro e integrado da cidadania e do empoderamento sociocultural. A partir da análise das relações objetivadas no centro histórico, descortinam-se os movimentos de totalização urbana, no entendimento da realidade local e global, do particular e universal, do horizontal e vertical / In the vertical and excludent heritagisation process of Ouro Preto - whitch takes place since its federal conservation law in 1933 until the title of Cultural Heritage City of the Humanity in 1980 - conflicts between the community and the regulatory organs of the national heritage symbol are materialized in the daily modes of territory appropriation. The dialectical approach of socio-territorial contradictions finds in the dialogical-reflective hermeneutics of the heritage the bases for the proposition of the sensory interpretative pathways methodology. Within this thesis, its critical evaluation signals for understanding the historical and socially produced symbolic universe, in the construction perspective of emancipatory praxis, of the repair of the integrated exercise of citizenship and of the socio-cultural empowerment. From the analysis of the relations objectified at the historical center, the movements of urbane totalisation are unveiled, towards the understanding of the local and global reality, of the particular and universal, of the horizontal and vertical
5

Parque estadual do Rio Turvo : um estudo sobre a percepção e interpretação ambiental da comunidade moradora do entorno da BR 116 /

Paixão, Carolina Araujo da. January 2010 (has links)
Orientador: Solange T. de Lima Guimarães / Banca: Maria de Jesus Robim / Banca: Odaleia Telles M. M. Queiroz / Resumo: O estudo das unidades de conservação como um sistema integrado de gestão ambiental e as recentes alterações de categorias nessas reservas para a formação de mosaicos de unidades de conservação nos levam à percepção das transformações na maneira pela qual comunidades que dependem dos recursos naturais que esses espaços oferecem, se relacionam com o seu entorno. Como fazer com que a gestão ambiental seja efetivamente participativa e quais os elementos da relação destas comunidades com o seu entorno são os eixos que nortearam este trabalho. A proposta deste estudo se baseou no estudo da percepção ambiental dos moradores do entorno da BR-116, no trecho que compreende o Parque Estadual do Rio Turvo, no município de São Paulo, a fim de levantar aspectos relevantes na relação desses moradores com o espaço vivido e, consequentemente contribuir para a gestão participativa do Parque e para a busca por valores e comportamentos pró-ambientais / Abstract: The study of protected areas as integrated management systems and the recent changes of categories in these reserves for the formation of mosaics of Conservation Units lead us to the perception of the transformations in the way which communities that depend on natural resources that these spaces provide, relate to its surroundings. How to make sure that the environmental management is effectively participatory and which are the elements of the relationship of these communities to its surroundings are the axles that guided this work. The proposal of this study was based on the study of the environmental perception of neighborhood residents of BR- 116 road, in the stretch where the State Park of Rio Turvo is located, in the city of São Paulo, in order to raise relevant issues in the relationship of these residents with their living space and, consequently, contribute to the participatory management of the Park and to the search for values and pro-environmental behaviors / Mestre
6

Parque estadual do Rio Turvo: um estudo sobre a percepção e interpretação ambiental da comunidade moradora do entorno da BR 116

Paixão, Carolina Araujo da [UNESP] 11 March 2010 (has links) (PDF)
Made available in DSpace on 2014-06-11T19:27:53Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-03-11Bitstream added on 2014-06-13T19:07:00Z : No. of bitstreams: 1 paixao_ca_me_rcla.pdf: 1476391 bytes, checksum: 108a12972aeb4ba446dcdea4a2904f2c (MD5) / O estudo das unidades de conservação como um sistema integrado de gestão ambiental e as recentes alterações de categorias nessas reservas para a formação de mosaicos de unidades de conservação nos levam à percepção das transformações na maneira pela qual comunidades que dependem dos recursos naturais que esses espaços oferecem, se relacionam com o seu entorno. Como fazer com que a gestão ambiental seja efetivamente participativa e quais os elementos da relação destas comunidades com o seu entorno são os eixos que nortearam este trabalho. A proposta deste estudo se baseou no estudo da percepção ambiental dos moradores do entorno da BR-116, no trecho que compreende o Parque Estadual do Rio Turvo, no município de São Paulo, a fim de levantar aspectos relevantes na relação desses moradores com o espaço vivido e, consequentemente contribuir para a gestão participativa do Parque e para a busca por valores e comportamentos pró-ambientais / The study of protected areas as integrated management systems and the recent changes of categories in these reserves for the formation of mosaics of Conservation Units lead us to the perception of the transformations in the way which communities that depend on natural resources that these spaces provide, relate to its surroundings. How to make sure that the environmental management is effectively participatory and which are the elements of the relationship of these communities to its surroundings are the axles that guided this work. The proposal of this study was based on the study of the environmental perception of neighborhood residents of BR- 116 road, in the stretch where the State Park of Rio Turvo is located, in the city of São Paulo, in order to raise relevant issues in the relationship of these residents with their living space and, consequently, contribute to the participatory management of the Park and to the search for values and pro-environmental behaviors
7

Obraz tělesnosti - Tělesnost obrazu / Image of Physicality - Physicality of Image

Slachová, Markéta January 2014 (has links)
In the thesis submitted, I deal with the concepts of human physicality and image and their mutual relationship from the point of view of how physicality can be made present in the image and hence in the very dialogue between an artwork and the viewer. The other part is devoted to artistic contexts. I would like to give examples of various works of art which can be traced by means of confronting the contemporary concept of physicality and the appearance of a human figure coming from the earliest paintings to art actions of the present and contemporary art events. My goal is to try to grasp the relation between image and physicality, especially in the context of art education and possibilities of gallery and museum education. I designed and implemented a large educational project: Painting the flesh - the physicality of painting, that uses elements of visually dramatic conception of art education, emphasizing work with pupils physicality of their own, linked to the contexts of art history and also deals with the theme of interpretation, reproduction and manipulation of paintings. The visual part is called Interpretation as a shift from the painting of physicality to the physicality of painting and is also derived from the topic examined in the work.

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