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检索条件"主题词=Computer vision and image processing techniques"
1042 条 记 录,以下是821-830 订阅
排序:
Efficient and consistent method for superellipse detection
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IEE PROCEEDINGS-vision image AND SIGNAL processing 2001年 第4期148卷 227-233页
作者: Hu, WC Sheu, HT Natl Penghu Inst Technol Dept Comp Sci & Informat Engn Makung City Penghu Penghu Taiwan Natl Taiwan Univ Sci & Technol Dept Elect Engn Sect 4 Taipei Taiwan
Superellipses are a flexible representation for a variety of objects and the detection of such a primitive is an interesting issue in machine vision research. Least-mean-square fitting using an algebraic distance has ... 详细信息
来源: 评论
Progressive image coding using set partitioning in hierarchical tree algorithm and embedded trellis-coded quantiser
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ELECTRONICS LETTERS 2001年 第9期37卷 561-563页
作者: Hu, MY Tang, TB Nanyang Technol Univ Sch Elect & Elect Engn Singapore 639798 Singapore
A progressive image-coding algorithm that uses a combination of the set partitioning in hierarchical tree (SPIHT) algorithm and an embedded trellis-coded quantiser (E-TCQ) is proposed. Using the hierarchical quadtree ... 详细信息
来源: 评论
Multifidelity JPEG based compression of images using variable quantisation
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ELECTRONICS LETTERS 2001年 第7期37卷 423-424页
作者: Golner, MA Mikhael, WB Krishnan, V Univ Cent Florida Sch Elect Engn & Comp Sci Orlando FL 32816 USA
In image processing applications. certain regions in an image may be of greater interest to the user. For these types of applications a multifidelity region based variable quantisation scheme is proposed. The resultin... 详细信息
来源: 评论
Edge detection-based block motion estimation
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ELECTRONICS LETTERS 2001年 第1期37卷 17-18页
作者: Ahmad, MB Choi, TS Kwangju Inst Sci & Technol Dept Mechatron Puk Gu Kwangju 500712 South Korea
Block matching algorithms that predict the motion field using blocks of pixels use search heuristics to find the best match. Blocks on the boundary of moving objects create problems for accurately predicting tb: motio... 详细信息
来源: 评论
image-sequence motion estimation for the Dervish mine-clearance vehicle
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IEE PROCEEDINGS-SCIENCE MEASUREMENT AND TECHNOLOGY 2001年 第3期148卷 89-94页
作者: Haworth, C Renshaw, D Univ Edinburgh Dept Elect & Elect Engn Edinburgh EH9 3JL Midlothian Scotland
The paper reports on the application of block matching with spatial transforms to image sequences of ground scenes taken from a moving camera. The motion is a general combination of rotation and translation. The use o... 详细信息
来源: 评论
Interpretation of colour maps - A combination of automatic and interactive techniques
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COMPUTING & CONTROL ENGINEERING JOURNAL 2001年 第4期12卷 188-196页
作者: Ablameyko, S Bereishik, V Homenko, M Paramonova, N Patsko, O Belarussian Acad Sci Inst Engn Cybernet Minsk 220012 BELARUS
The article describes a system and technology for the automatic/interactive interpretation of colour maps. Due to the fact that a completely automatic solution is impossible, a combination of automatic and interactive... 详细信息
来源: 评论
Role of 3-D graphics in NDT data processing
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IEE PROCEEDINGS-SCIENCE MEASUREMENT AND TECHNOLOGY 2001年 第4期148卷 149-158页
作者: McNab, A Reilly, D Potts, A Toft, M Univ Strathclyde Dept Elect & Elect Engn Ctr Ultrasonc Engn Glasgow G1 1XW Lanark Scotland BNFL Magnox Generat Berkeley GL13 9PB Glos England
Visualisation in 3-D can significantly improve the interpretation and understanding of imaged NDT data sets. The advantages of using 3-D graphics to assist in the interpretation of ultrasonic data are discussed in the... 详细信息
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Automatic two-stage IR and MMW image registration algorithm for concealed weapons detection
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IEE PROCEEDINGS-vision image AND SIGNAL processing 2001年 第4期148卷 209-216页
作者: Chen, HM Varshney, PK Syracuse Univ Dept Elect Engn & Comp Sci Syracuse NY 13244 USA
A two-stage registration scheme for the concealed weapons detection (CWD) problem is developed. The goal is to automatically register images taken simultaneously from two different (infrared (IR) and millimetre wave (... 详细信息
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Wavelet domain adaptive visible watermarking
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ELECTRONICS LETTERS 2001年 第20期37卷 1219-1220页
作者: Hu, YJ Kwong, S City Univ Hong Kong Dept Comp Sci Kowloon Hong Kong Peoples R China
Pixel based scaling of a watermark image is of paramount importance to make the degree of marking applied variable according to the features of host images. Here, a wavelet domain visible watermarking is proposed. The... 详细信息
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Row-oriented multiscale error diffusion technique for digital halftoning
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ELECTRONICS LETTERS 2001年 第10期37卷 626-627页
作者: Chan, YH Cheung, SM Hong Kong Polytech Univ Dept Elect & Informat Sci Ctr Multimedia Signal Proc Kowloon Hong Kong Peoples R China
A digital halftoning method is proposed to diffuse error with a more symmetric error distribution by making use of the concept of multiscale error diffusion. The method can improve the diffusion performance by effecti... 详细信息
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