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检索条件"主题词=Computer vision and image processing techniques"
1042 条 记 录,以下是791-800 订阅
排序:
Multirate predictor control scheme for visual servo control
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IEE PROCEEDINGS-CONTROL THEORY AND APPLICATIONS 2002年 第2期149卷 117-124页
作者: Sim, TP Hong, GS Lim, KB Natl Univ Singapore Dept Mech Engn Singapore 119260 Singapore
An attractive control scheme for a position-based dynamic "look and move" eye-in-hand visual servo system is proposed, The multirate predictor control scheme is used to overcome the inherent delay in the vis... 详细信息
来源: 评论
Shape-sequence-based key image generation algorithm for browsing and retrieval of video clips
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ELECTRONICS LETTERS 2002年 第12期38卷 549-550页
作者: Lee, S Choi, YS Lim, W Kwon, TK Kim, HK Korea Telecom Multimedia Tech Lab Secho Gu Seoul 137792 South Korea Sejong Univ Dept Software Engn Kwangjin Gu Seoul 143747 South Korea
A new shape-sequence-based algorithm that can effectively generate key images from video clips is introduced. Generated key images can be used as the feature information in the browsing and retrieval of video clips fr... 详细信息
来源: 评论
Hausdorff distance for robust and adaptive template selection in visual target detection
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ELECTRONICS LETTERS 2002年 第25期38卷 1651-1653页
作者: Gastaldo, P Zunino, R Univ Genoa DIBE I-16145 Genoa Italy
Template selection is often crucial for target-detection methods;the Hausdorff distance enhances template matching by implicitly encoding the notion of resemblance. In addition, Hausdorff metrics can build up a decisi... 详细信息
来源: 评论
Median M-type K-nearest neighbour (MM-KNN) filter to remove impulse noise from corrupted images
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ELECTRONICS LETTERS 2002年 第15期38卷 786-787页
作者: Gallegos-Funes, FJ Ponomaryov, VI Sadovnychiy, S Nino-De-Rivera, L Natl Polytech Inst Mexico Mech & Elect Engn Higher Sch Mexico City 04430 DF Mexico Inst Mexicano Petr Mexico City 07730 DF Mexico
The median M-type K-nearest neighbour (MM-KNN) filter to remove impulse noise from corrupted images is presented. This filter uses R and M estimators combined with different influence functions. Simulation results hav... 详细信息
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Distortionless data hiding based on integer wavelet transform
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ELECTRONICS LETTERS 2002年 第25期38卷 1646-1648页
作者: Xuan, GR Zhu, J Chen, JD Shi, YQ Ni, ZC Su, W Tongji Univ Dept Comp Sci Shanghai Peoples R China New Jersey Inst Technol Dept Elect & Comp Engn Newark NJ 07102 USA
A novel distortionless image data hiding algorithm based on integer wavelet transform that can invert the stego-image into the original image without any distortion after the hidden data are extracted is proposed. Thi... 详细信息
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Corner detection by means of contour local vectors
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ELECTRONICS LETTERS 2002年 第14期38卷 699-701页
作者: Reche, P Urdiales, C Bandera, A Trazegnies, C Sandoval, F Univ Malaga Dept Technol Elect ETSI Telecomun E-29071 Malaga Spain
A corner detection algorithm for planar shapes based on a new curvature index is proposed. The calculation parameters of this new index are adapted to the shape curvature at each point of its contour. The process cons... 详细信息
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Developing a raster detector system with the J array processing language
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COMPUTING & CONTROL ENGINEERING JOURNAL 2002年 第6期13卷 299-304页
作者: Jacobs, J Oce Technol BV NL-5900 MA Venlo Netherlands
All digital copying aims to reproduce an original image as faithfully as possible under certain constraints. In the past, image processing had to be implemented in hardware for performance reasons. Here, a 100% softwa... 详细信息
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Oblivious robust watermarking method by image pre-processing
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ELECTRONICS LETTERS 2002年 第14期38卷 702-704页
作者: Agung, IW Sweeney, P Univ Surrey CCSR Guildford GU2 7XH Surrey England
A method of image watermarking which requires no original image for detection is introduced. The proposed scheme pre-processes the original image and embeds the watermark in some parts of the transform coefficients. I... 详细信息
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Error concealment technique based on optical flow
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ELECTRONICS LETTERS 2002年 第18期38卷 1020-1021页
作者: Suh, JW Ho, YS Kwangju Inst Sci & Technol Dept Informat & Commun Kwangju 500712 South Korea
A new motion vector recovery algorithm based on optical flow is proposed. Optical flow fields are very similar to the true motion and can be used to recover three-dimensional motion information. Experimental results o... 详细信息
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Zero-crossing rates of wavelet frame representations for texture classification
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ELECTRONICS LETTERS 2002年 第22期38卷 1340-1341页
作者: Tabesh, A Univ Arizona Dept Elect & Comp Engn Tucson AZ 85721 USA
The zero-crossing rates (ZCRs) of the wavelet frame representation of texture images are proposed as features for texture classification. Results indicate that ZCR features lower the probability of error (PE) by 40% o... 详细信息
来源: 评论