1,234 research outputs found

    Non-Monotonic Reasoning on Board a Sony AIBO

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    Griffith Sciences, School of Information and Communication TechnologyFull Tex

    Robot Localization Using Visual Image Mapping

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    One critical step in providing the Air Force the capability to explore unknown environments is for an autonomous agent to be able to determine its location. The calculation of the robot\u27s pose is an optimization problem making use of the robot\u27s internal navigation sensors and data fusion of range sensor readings to find the most likely pose. This data fusion process requires the simultaneous generation of a map which the autonomous vehicle can then use to avoid obstacles, communicate with other agents in the same environment, and locate targets. Our solution entails mounting a Class 1 laser to an ERS-7 AIBO. The laser projects a horizontal line on obstacles in the AIBO camera\u27s field of view. Range readings are determined by capturing and processing multiple image frames, resolving the laser line to the horizon, and extract distance information to each obstacle. This range data is then used in conjunction with mapping a localization software to accurately navigate the AIBO

    Appearance-based localization for mobile robots using digital zoom and visual compass

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    This paper describes a localization system for mobile robots moving in dynamic indoor environments, which uses probabilistic integration of visual appearance and odometry information. The approach is based on a novel image matching algorithm for appearance-based place recognition that integrates digital zooming, to extend the area of application, and a visual compass. Ambiguous information used for recognizing places is resolved with multiple hypothesis tracking and a selection procedure inspired by Markov localization. This enables the system to deal with perceptual aliasing or absence of reliable sensor data. It has been implemented on a robot operating in an office scenario and the robustness of the approach demonstrated experimentally

    Multi-robot coordination using flexible setplays : applications in RoboCup's simulation and middle-size leagues

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    Tese de Doutoramento. Engenharia InformĂĄtica. Faculdade de Engenharia. Universidade do Porto. 201

    History of the Institut de RobĂČtica i InformĂ tica Industrial

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    The Institut de RobĂČtica i InformĂ tica Industrial is a Joint University Research Institute participated by the Spanish National Research Council and the Universitat PolitĂšcnica de Catalunya. Founded in 1995, its scientists have addressed over the years many research topics spanning from robot kinematics, to computer graphics, automatic control, energy systems, and human-robot interaction, among others. This book, prepared for its 25th anniversary, covers its evolution over the years, and serves as a mean of appreciation to the many students, administrative personnel, research engineers, or scientists that have formed part of it.Postprint (published version

    The SocRob Project: Soccer Robots or Society of Robots

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    Making It Pay to be a Fan: The Political Economy of Digital Sports Fandom and the Sports Media Industry

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    This dissertation is a series of case studies and sociological examinations of the role that the sports media industry and mediated sport fandom plays in the political economy of the Internet. The Internet has structurally changed the way that sport fans access sport and accelerated the processes through which the capitalist actors in the sports media industry have been able to subsume them. The three case studies examined in this dissertation are examples of how digital media technologies have both helped fans become more active producers and consumers of sports and made the sports media industry an integral and vanguard component of the cultural industry. The first case study is of Bleacher Report, a fan blogging platform turned major digital sports journalism company. Bleacher Report’s journey from an industry-reviled content farm to major player in digital sports journalism is traced to argue that Bleacher Report’s business model relied on the desperation of aspiring writers only as long as those writers were unpaid. The second case study is of DraftKings and Fanduel, the industry leaders in the fantasy sports genre of daily fantasy sports (DFS). These two companies have seemingly overnight taken over the new field but just as quickly thrust themselves into legal scrutiny that threatened to shut down the entire field of DFS. The proximity to gambling that threatened their legal status also, whoever, belies their relationship to the financialized understanding of that all of fantasy sports represents. The third and final case study is of ESPN. By far the oldest and most powerful of the three cases, ESPN, the self-proclaimed “Worldwide Leader in Sports,” has made the majority of its money off its innovation of the per subscriber fee, or the fee that ESPN charges cable companies to carry it that is then passed onto individual subscribers whether they watch ESPN or not. As digital technologies have revolutionized the delivery of visual images of sport and the cable bundle that ESPN is the most expensive part of loses market share, ESPN’s ability to monetize both attention and non-attention greatly decreases. The concluding chapter takes these case studies and attempts to synthesize them into a theory of what is termed “contentification,” or the tendency of digital technologies to take disparate forms of records (text, numbers, images) and treat them as “content” to be paid attention to. Sports are particularly prone to contentification and have helped drive the exponential expansion of content to be paid attention to that has resulted in a crisis of attention where the amount of content outstrips the human capacity to take it in. The reconfiguration of capital that finds its expression in the ending of net neutrality is the response to this crisis

    Proceedings of the 9th Conference on Autonomous Robot Systems and Competitions

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    Welcome to ROBOTICA 2009. This is the 9th edition of the conference on Autonomous Robot Systems and Competitions, the third time with IEEE‐Robotics and Automation Society Technical Co‐Sponsorship. Previous editions were held since 2001 in Guimarães, Aveiro, Porto, Lisboa, Coimbra and Algarve. ROBOTICA 2009 is held on the 7th May, 2009, in Castelo Branco , Portugal. ROBOTICA has received 32 paper submissions, from 10 countries, in South America, Asia and Europe. To evaluate each submission, three reviews by paper were performed by the international program committee. 23 papers were published in the proceedings and presented at the conference. Of these, 14 papers were selected for oral presentation and 9 papers were selected for poster presentation. The global acceptance ratio was 72%. After the conference, eighth papers will be published in the Portuguese journal Robótica, and the best student paper will be published in IEEE Multidisciplinary Engineering Education Magazine. Three prizes will be awarded in the conference for: the best conference paper, the best student paper and the best presentation. The last two, sponsored by the IEEE Education Society ‐ Student Activities Committee. We would like to express our thanks to all participants. First of all to the authors, whose quality work is the essence of this conference. Next, to all the members of the international program committee and reviewers, who helped us with their expertise and valuable time. We would also like to deeply thank the invited speaker, Jean Paul Laumond, LAAS‐CNRS France, for their excellent contribution in the field of humanoid robots. Finally, a word of appreciation for the hard work of the secretariat and volunteers. Our deep gratitude goes to the Scientific Organisations that kindly agreed to sponsor the Conference, and made it come true. We look forward to seeing more results of R&D work on Robotics at ROBOTICA 2010, somewhere in Portugal
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