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检索条件"机构=ISR - Institute of Systems and Robotics and the Department of Electrical and Computer Engineering"
722 条 记 录,以下是591-600 订阅
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Paracatadioptric camera calibration using lines
Paracatadioptric camera calibration using lines
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International Conference on computer Vision (ICCV)
作者: Barreto Araujo Institute of Systems and Robotics-Department of Electrical and Computer Engineering University of Coimbra Coimbra Portugal
Paracatadioptric sensors combine a parabolic shaped mirror and a camera inducing an orthographic projection. Such a configuration provides a wide field of view while keeping a single effective viewpoint. Previous work... 详细信息
来源: 评论
Direct Least Square Fitting of Paracatadioptric Line Images
Direct Least Square Fitting of Paracatadioptric Line Images
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IEEE computer Society Conference on computer Vision and Pattern Recognition Workshops (CVPRW)
作者: Joao P. Barreto Helder Araujo Institute of Systems and Robotics Department of Electrical and Computer Engineering University of Coimbra Coimbra Portugal
Paracatadioptric sensors combine a parabolic shaped mirror and a camera inducing an orthographic projection. Such a configuration provides a wide field of view while keeping a single effective viewpoint. In general th... 详细信息
来源: 评论
Automatic face region tracking for highly accurate face recognition in unconstrained environments
Automatic face region tracking for highly accurate face reco...
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IEEE Conference on Advanced Video and Signal Based Surveillance (AVSS)
作者: Y.-O. Kim J. Paik Jingu Heo A. Koschan B. Abidi M. Abidi Korea Electronics and Technology Institute Puchon Gyeonggi South Korea Image Processing Laboratory Department of Image Engineering Graduate School of Advanced Imaging Science Multimedia and Film Chung-Ang University Seoul South Korea Imaging Robotics and Intelligent Systems Laboratory Department of Electrical and Computer Engineering University of Tennessee Knoxville USA
We present a combined real-time face region tracking and highly accurate face recognition technique for an intelligent surveillance system. High-resolution face images are very important to achieving accurate identifi... 详细信息
来源: 评论
Learning variable-resolution maps for navigation in dynamic worlds
Learning variable-resolution maps for navigation in dynamic ...
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Annual Conference of Industrial Electronics Society
作者: R. Araujo G. Gouveia A.T. de Almeida Institute for Systems and Robotics (ISR) and Department of Electrical and Computer Engineering University of Coimbra Coimbra Portugal
Map building is an important component to enable autonomous mobile robots to navigate in complex unfamiliar environments. This paper introduces a new method for learning multiresolution maps for navigation in unknown ... 详细信息
来源: 评论
Real-time gesture recognition system based on contour signatures
Real-time gesture recognition system based on contour signat...
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International Conference on Pattern Recognition
作者: P. Peixoto J. Goncalves H. Araujo ISR-Institute of Systems and Robotics Department of Electrical Engineering University of Coimbra Coimbra Portugal
In this paper we describe a real-time gesture recognition algorithm based on contour signature images, generated by collecting a set of contour signatures over time. Each contour signature is generated in each frame b... 详细信息
来源: 评论
Data fusion for compliant motion tasks based on human skills
Data fusion for compliant motion tasks based on human skills
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IEEE International Workshop on Intelligent Robots and systems (IROS)
作者: R. Cortesao R. Koeppe U. Nunes G. Hirzinger Electrical and Computer Engineering Department Institute of Systems and Robotics (ISR) University of Coimbra Coimbra Portugal Institute of Robotics and Mechatronics German Aerospace Center Germany
The paper discusses new developments of the data fusion paradigm due to Cortesao and Koeppe (1999, 2000). A bank of Kalman filters is analyzed in the fusion process. Experiments for a robotic compliant motion task (pe... 详细信息
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Mobile robot localization using a fuzzy ART world model
Mobile robot localization using a fuzzy ART world model
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Annual Conference of Industrial Electronics Society
作者: R. Araujo G. Gouveia N. Santos Institute for Systems and Robotics and Department of Electrical and Computer Engineering University of Coimbra Coimbra Portugal
Mobile robot localization is the problem of determining the robot's pose from sensor data. The ability to know their own location in the environment is an important capability for mobile robots. It is necessary fo... 详细信息
来源: 评论
Pose estimation for central catadioptric systems: an analytical approach
Pose estimation for central catadioptric systems: an analyti...
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International Conference on Pattern Recognition
作者: A. Paulino H. Araujo Department of Electrical and Computer Engineering Institute of Systems and Robotics University of Coimbra Coimbra Portugal
The number of applications for central catadioptric systems, often called central panoramic systems, is increasing. Among these are surveillance systems, commercial systems for Web navigation and robot localization an... 详细信息
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Cooperative Q-learning with heterogeneity in actions
Cooperative Q-learning with heterogeneity in actions
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IEEE International Conference on systems, Man and Cybernetics
作者: S.M. Reza MirFattah M.N. Ahmadabadi Institute for Studies on Theoretical Physics and Mathematics School of Intelligent Systems Tehran Iran Robotics and AI Laboratory Department of Electrical and Computer Engineering University of Tehran Tehran Iran
Cooperation in learning improves the speed of convergence and the quality of learning. Special care is needed when heterogeneous agents cooperate in learning. It is discussed that, cooperation in learning may cause th... 详细信息
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A new approach to credit assignment in a team of cooperative Q-learning agents
A new approach to credit assignment in a team of cooperative...
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IEEE International Conference on systems, Man and Cybernetics
作者: A. Harati M.N. Ahmadabadi Institute for Studies on Theoretical Physics and Mathematics School of Intelligent Systems Tehran Iran Robotics and AI Laboratory Department of Electrical and Computer Engineering University of Tehran Tehran Iran
Q-learning is widely used in many multi agent systems. In most cases, a separate critic is considered for qualifying each individual agent behavior or it is assumed that the critic is completely aware of effects of al... 详细信息
来源: 评论