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检索条件"机构=Pattern Recognition and Image Processing LaboratoryDepartment of Computer Science"
228 条 记 录,以下是191-200 订阅
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Texture defect detection using invariant textural features  23rd
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23rd German Association for pattern recognition Symposium, DAGM 2001
作者: Schael, Marc Institute for Pattern Recognition and Image Processing Computer Science Department Albert-Ludwigs-Universität Freiburg Germany
In this paper we propose a novel method for the construction of invariant textural features for grey scale images. The textural features are based on an averaging over the 2D Euclidean transformation group with relati... 详细信息
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Efficient 3D vertex detection in range images acquired with a laser sensor  23rd
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23rd German Association for pattern recognition Symposium, DAGM 2001
作者: Katsoulas, Dimitrios Bergen, Lothar Institute for Pattern Recognition and Image Processing Computer Science Department Albert-Ludwigs-Universität Freiburg Germany
In many branches of industry, piled box-like objects have to be recognized, grasped and transferred. Unfortunately, existing systems only deal with the most simple configurations (i.e. neatly placed boxes) effectively... 详细信息
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SIMBA – Search images by appearance
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23rd German Association for pattern recognition Symposium, DAGM 2001
作者: Siggelkow, Sven Schael, Marc Burkhardt, Hans Institute for Pattern Recognition and Image Processing Computer Science Department Albert-Ludwigs-Universität Freiburg Germany
In this paper we present SIMBA, a content based image retrieval system performing queries based on image appearance. We consider absolute object positions irrelevant for image similarity here and therefore propose to ... 详细信息
来源: 评论
Reconstruction of specular surfaces using polarization imaging
Reconstruction of specular surfaces using polarization imagi...
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Conference on computer Vision and pattern recognition (CVPR)
作者: S. Rahmann N. Canterakis Institute for Pattern Recognition and Image Processing Computer Science Department University of Freiburg Freiburg im Breisgau Germany
Traditional intensity imaging does not offer a general approach for the perception of textureless and specular reflecting surfaces. Intensity based methods for shape reconstruction of specular surfaces rely on virtual... 详细信息
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Illumination insensitive eigenspaces
Illumination insensitive eigenspaces
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International Conference on computer Vision (ICCV)
作者: H. Bischof H. Wildenauer A. Leonardis Pattern Recognition and Image Processing Group University of Technology Vienna Vienna Austria Faculty of Computer and Information Science University of Ljubljana Ljubljana Slovenia
Variations in illumination can have a dramatic effect on the appearance of an object in an image. In this paper we propose how to deal with illumination variations in eigenspace methods. We demonstrate that the eigeni... 详细信息
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An efficient depalletizing system based on 2D range imagery
An efficient depalletizing system based on 2D range imagery
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IEEE International Conference on Robotics and Automation (ICRA)
作者: D.K. Katsoulas D.I. Kosmopoulos Institute for Pattern Recognition and Image Processing University of Freiburg Freiburg im Breisgau Germany Department of electrical engineering division of Computer Science National and Technical University of Athens Athens Greece
We propose an efficient approach towards the solution of the de-palletizing problem, based on active vision. We describe a system comprising an industrial robot and a time of flight laser sensor, which performs the de... 详细信息
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Handwritten Chinese character segmentation using a two-stage approach
Handwritten Chinese character segmentation using a two-stage...
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International Conference on Document Analysis and recognition
作者: Shuyan Zhao Zheru Chi Pengfei Shi Qing Wang Institute of Image Processing and Pattern Recognition Shanghai Jiaotong University Shanghai China Centre for Multimedia Signal Processing Department of Electronic and Information Engineering Hong Kong Polytechnic University Hong Kong China Department of Electronic and Information Engineering Hong Kong Polytechnic University Hong Kong China Department of Computer Science and Engineering Northwestern Polytechnical University Xi'an China
Correct segmentation of handwritten Chinese characters is crucial to the successful recognition. However, because of the many difficulties involved, little work has been done in this area. In this paper, a two-stage a... 详细信息
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Grouping edge points into line segments by sequential hough transformation
Grouping edge points into line segments by sequential hough ...
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15th International Conference on pattern recognition, ICPR 2000
作者: Zhang, Xiaofeng Burkhardt, Hans Pattern Recognition and Image Processing Dept. of Computer Science University of Freiburg Freiburg79110 Germany
An algorithm to group edge points into digital line segments with Hough transformation is described in this paper. The edge points are mapped onto the parameter domain dis-cretked at specific intervals, on which peaks... 详细信息
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Invariant grey-scale features for 3D sensor-data
Invariant grey-scale features for 3D sensor-data
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International Conference on pattern recognition
作者: M. Schael S. Siggelkow Institute for Pattern Recognition and Image Processing Computer Science Department University of Freiburg Freiberg Germany
A technique for the construction of invariant features of 3D sensor-data is proposed. Invariant grey-scale features are characteristics of grey-scale sensor-data which remain constant if the sensor-data is transformed... 详细信息
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Grouping edge points into line segments by sequential Hough transformation
Grouping edge points into line segments by sequential Hough ...
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International Conference on pattern recognition
作者: Xiaofeng Zhang H. Burkhardt Chair of Pattern Recognition and Image Processing Department of Computer Science University of Freiburg Freiburg im Breisgau Germany
An algorithm to group edge points into digital line segments with Hough transformation is described. The edge points are mapped onto the parameter domain discretized at specific intervals, on which peaks appear to rep... 详细信息
来源: 评论