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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

Estimativa de orientação com uma bússola visual baseada em cores / Estimates guidance with a visual compass based in color

Londero, Fabrício Tonetto 21 December 2016 (has links)
Humans and animals make use of many senses to interact with the environment around them. Computers, in turn, interact through input and output devices such as speakers, keyboards, and monitors, and their interactions have many more limitations. But currently, devices like cameras and microphones have been added to computers, increasing their interactivity. With this advancement, there are autonomous robots equipped with sensors, such as sound, touch and vision, the latter through one or more cameras. A robot, to be considered autonomous, must make decisions without human intervention and, in order to have excellence in what it does, must be provided with a good form of guidance. This work presents an alternative visual compass to stipulate the orientation of robots and autonomous vehicles, so that they can get around in a scenario (environment) and do the work in which they were built to perform. The proposed approach works with 360o perspective of environments, in which information is extracted from the color changes that occur. With color change counts, the process is repeated with images received from the robots or vehicles in motion, and the color changes of this image with those stored from the 360o perspective. The result of the color change comparison is used to estimate the degree of similarity between the images and thus to present the angle at which the image of the moving robot is present in the 360o perspective. Robots or autonomous vehicles can use this value presented in their decision making. / Os seres humanos e animais fazem uso de muitos sentidos para interagir com o ambiente a sua volta. Os computadores, por sua vez, interagem por meio de dispositivos de entrada e saída, tais como caixas de som, teclados e monitores, tendo suas interações muito mais limitações. Mas, atualmente, dispositivos como câmeras e microfones foram adicionado à computadores, aumentando sua interatividade. Com este avanço, surgem robôs autônomos equipados com sensores, tais como de som, de tato e visão, este último por intermédio de uma ou de mais câmeras. Um robô, para ser considerado autônomo, deve tomar decisões sem a intervenção humana e, para possuir excelência no que faz, deve ser munido de uma boa forma de orientação. Este trabalho apresenta uma alternativa de bússola visual para estipular a orientação de robôs e veículos autônomos, para que estes consigam se locomover em um cenário (ambiente) e efetuar o trabalho no qual foram construídos para desempenhar. A abordagem proposta trabalha com perspectivas 360o do ambientes, no qual se extrai informações das trocas de cores que ocorrem. Com as contagens de trocas de cores, o processo é repetido com imagens recebidas dos robôs ou veículos em movimento, e as trocas de cores desta imagem com as armazenadas da perspectiva 360o. O resultado da comparação de troca de cores é utilizado para estimar o grau de similaridade entre as imagens e assim, apresentar o ângulo no qual a imagem do robô em movimentação está presente na perspectiva 360o. Os robôs ou veículos autônomos podem usar deste valor apresentado nas suas tomadas de decisão.
2

The Shades of Styles : A human search for words communicating all aspects of styles.

Hellerslien, Erlend January 2021 (has links)
This research is an investigative attempt on the concept of style´s development to potentially noticing our diverse human history on viewing the aspect of styles, starting (in the part one) by looking into the problem of the development of styles and its characteristic of representation in terms of its messages, realties, semiotics, and human collaboration. Leading towards the human search in seeing style more commonly neutral for a more meaningful dialog. The research shows then (in the part two) the potential to build a Digital Style Dictionary and A Digital Visual Compass: A Human-Centric Guide on The Aspect of Seeing Reality’s that can support identifying aspects of multiple realities (core reality, abstract reality, surreal reality and artificial reality) — where two cases (in the part three) of visual styles get analyzed, discussed, reframed, and presented (Transpace and Swisch). Fundamentally this paper looks to provoke a discussion on what we humans want the point to be in seeing styles. The complexity is as grand as our diversity, but still, this research highlights the hope to respectfully identify the distinctive shades of styles for the sake of a more significant human dialog and inclusion. The research´s grand ambition is knowingly bigger than what it itself can grasp to complete right now (2021) fully. It proposes an idea for the near future to shape a Digital Style Dictionary and a Digital Visual Compass that works for the common human aspect of seeing styles. This research is a first attempt towards shaping the fundamental frame towards a spectrum of the style´s, that we can respectfully continue to articulate for the sake to include better human communication on the aspect of seeing distinctiveness, not that style´s stands in a capital value program between something “high” or “low.” Instead, we can now start to collaborate in shaping and building these potential tools as A Digital Style Dictionary and A Digital Visual Compass in sharing a more human-centric spectrum of styles to push the human evolution of knowledge further.

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