913 resultados para 004 - Informatik (Data processing Computer science)
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The robotics is one of the most active areas. We also need to join a large number of disciplines to create robots. With these premises, one problem is the management of information from multiple heterogeneous sources. Each component, hardware or software, produces data with different nature: temporal frequencies, processing needs, size, type, etc. Nowadays, technologies and software engineering paradigms such as service-oriented architectures are applied to solve this problem in other areas. This paper proposes the use of these technologies to implement a robotic control system based on services. This type of system will allow integration and collaborative work of different elements that make up a robotic system.
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3D sensors provides valuable information for mobile robotic tasks like scene classification or object recognition, but these sensors often produce noisy data that makes impossible applying classical keypoint detection and feature extraction techniques. Therefore, noise removal and downsampling have become essential steps in 3D data processing. In this work, we propose the use of a 3D filtering and down-sampling technique based on a Growing Neural Gas (GNG) network. GNG method is able to deal with outliers presents in the input data. These features allows to represent 3D spaces, obtaining an induced Delaunay Triangulation of the input space. Experiments show how the state-of-the-art keypoint detectors improve their performance using GNG output representation as input data. Descriptors extracted on improved keypoints perform better matching in robotics applications as 3D scene registration.
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National Highway Traffic Safety Administration, East Liberty, Ohio
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Thesis (M. S.)--University of Illinois at Urbana-Champaign.
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Thesis--University of Illinois at Urbana-Champaign.
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Vita.
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Vita.
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"UILU-ENG 83-1724."--Cover.
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Includes index.
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"June 1980."
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Bibliography: p. 25-28.
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Thesis (M. S.)--University of Illinois at Urbana-Champaign.
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Includes bibliographical references.
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Originally presented as the author's thesis, University of Illinois at Urbana-Champaign, 1974.
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Mode of access: Internet.