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检索条件"机构=Image Processing and Intelligence Control Key Laboratory"
1772 条 记 录,以下是1751-1760 订阅
排序:
Region-Based Simplification of Laser Scanned Meshes
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Journal of Graphics Tools 2003年 第2期8卷 41-50页
作者: Ye Jianhui[a] [a]Image Processing & Intelligent Control Key Laboratory of China Institute of Pattern Recognition & Artificial Int elligence Huazhong University of Science and Technology Wuhan 430074 PR China E-mail:
To simplify the mesh acquired from at hree-dimensional laser scanner, it is more important to keep the boundary and quality of the region of interest than of other regions. The algorithm must not be sensitive to noise...
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Remote sensing image compression for deep space based on region of interest
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Journal of Harbin Institute of Technology(New Series) 2003年 第3期10卷 300-303页
作者: 王振华 吴伟仁 田玉龙 田金文 柳健 Institute for Pattern Recognition and Artificial Intelligence State Key Lab for Image Processing and Intelligent ControlHuazhong University of Science and Technology Wuhan 430074 China Institute for Pattern Recognition and Artificial Intelligence State Key Lab for Image Processing and Intelligent ControlHuazhong University of Science and Technology Wuhan 430074 China major limitation for deep space communication is the limited bandwidths available. The downlink rate using X-band with an L2 halo orbit is estimated to be of only 5.35 GB/d. However the Next Generation Space Telescope (NGST) will produce about 600 GB/d. Clearly the volume of data to downlink must be reduced by at least a factor of 100. One of the resolutions is to encode the data using very low bit rate image compression techniques. An very low bit rate image compression method based on region of interest(ROI) has been proposed for deep space image. The conventional image compression algorithms which encode the original data without any data analysis can maintain very good details and haven't high compression rate while the modern image compressions with semantic organization can have high compression rate even to be hundred and can't maintain too much details. The algorithms based on region of interest inheriting from the two previews algorithms have good semantic features and high fidelity and is therefore suitable for applications at a low bit rate. The proposed method extracts the region of interest by texture analysis after wavelet transform and gains optimal local quality with bit rate control. The Result shows that our method can maintain more details in ROI than general image compression algorithm(SPIHT) under the condition of sacrificing the quality of other uninterested areas
A major limitation for deep space communication is the limited bandwidths available. The downlinkrate using X-band with an L2 halo orbit is estimated to be of only 5.35 GB/d. However, the Next GenerationSpace Telescop... 详细信息
来源: 评论
An Evolutionary Real-Time 3D Route Planner for Aircraft
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Chinese Journal of Systems Engineering and Electronics 2003年 第1期000卷
A novel evolutionary route planner for aircraft is proposed in this paper. In the new planner, individual candidates are evaluated with respect to the workspace, thus the computation of the configuration space is not ... 详细信息
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A new approach to extract rectangle building from aerial urban images  6
A new approach to extract rectangle building from aerial urb...
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6th International Conference on Signal processing, ICSP 2002
作者: Tao, Wen-Bing Tian, Jin-Wen Liu, Jian State Key Laboratory for Image Processing and Intelligence Control Hubei Wuhan430074 China Institute for Pattern Recognition and Artificial Intelligence HUST Hubei Wuhan430074 China
In this paper, we proposed a new Primitive-Structure- Based approach for extracting rectangle building from aerial urban images. We obtain all kinds of primitive-structure that compose rectangle by analysing geometric... 详细信息
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Improvement and invariance analysis of Zernike moments  1
Improvement and invariance analysis of Zernike moments
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1st International Conference on Communications, Circuits and Systems, ICCCAS 2002
作者: Bin, Ye Xiong, Peng Jia State Key Laboratory for Image Processing and Intelligent Control Institute for Pattern Recognition and Artificial Intelligence Huazhong University of Science and Technology WuhanHubei430074 China
An improved Zernike moment using a region-based shape descriptor is presented. The improved Zernike moment not only has rotation invariance, but also has scale invariance that the unimproved Zernike moment does not ha... 详细信息
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Integer Haar wavelet for romote sensing image compression  6
Integer Haar wavelet for romote sensing image compression
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6th International Conference on Signal processing, ICSP 2002
作者: Zhenhua, Wang Hongbo, Xu Yan, Tian Jinwen, Tian Jian, Liu State Key Lab. for Image Processing and Intelligent Control Institute for Pattern Recognition and Artificial Intelligence Huazhong University of Science and Technology Wuhan430074 China
With the development of remote sensing technique, onboard data compression has become an urgent need and a lot of study has been directed toward the development of efficient techniques. In this paper, the construction... 详细信息
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Integer Haar wavelet for remote sensing image compression
Integer Haar wavelet for remote sensing image compression
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International Conference on Signal processing Proceedings (ICSP)
作者: Wang Zhenhua Xu Hongbo Tian Yan Tian Jinwen Liu Jian Institute for Pattern Recognition and Artificial Intelligence State Key Laboratory for Image Processing and Intelligent Control Huazhong University of science and Technology Wuhan China
With the development of remote sensing technique, onboard data compression has become an urgent need and a lot of study has been directed toward the development of efficient techniques. In this paper, the construction... 详细信息
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The design and implementation of a Chinese financial invoice recognition system
The design and implementation of a Chinese financial invoice...
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IEEE Region 8 International Symposium on Video/image processing and Multimedia Communications (EURASIP)
作者: Ming Delie Liu Jian Tian Jinwen State Key Laboratory for Image Processing and Intelligent Control Institute for Pattern Recognition and Artificial Intelligence Huazhong University of Science and Technology Wuhan Hubei China
This paper designs and implements a financial invoice recognition system based on the features of the Chinese financial invoice. By using the linear whole block moving method in each vertical segment, a new fast algor... 详细信息
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Improvement and invariance analysis of Zernike moments
Improvement and invariance analysis of Zernike moments
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International Conference on Communications, Circuits and Systems (ICCCAS)
作者: Ye Bin Peng Jia Xiong State Key Laboratory for Image Processing and Intelligent Control Institute for Pattern Recognition & Artificial Intelligence Huazhong University of Science and Technology Wuhan Hubei China
An improved Zernike moment using a region-based shape descriptor is presented. The improved Zernike moment not only has rotation invariance, but also has scale invariance that the unimproved Zernike moment does not ha... 详细信息
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Cooperative path planning for multiple air vehicles using a co-evolutionary algorithm
Cooperative path planning for multiple air vehicles using a ...
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International Conference on Machine Learning and Cybernetics (ICMLC)
作者: Chang-Wen Zheng Ming-Yue Ding Cheng-Ping Zhou State Education Commission Key Laboratory for Image Processing and Intelligent Control Institute for Pattem Recognition and Artificial Intelligence Huazhong University of Science and Technology Wuhan China
The coordinated path-planning problem for multiple unmanned air vehicles is studied with the proposal of a co-evolving and cooperating path planner. In the new planner, potential paths of each vehicle form their own s... 详细信息
来源: 评论