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检索条件"主题词=Model-based coding"
59 条 记 录,以下是51-60 订阅
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RECONSTRUCTING VECTORISED PHOTOGRAPHIC IMAGES
RECONSTRUCTING VECTORISED PHOTOGRAPHIC IMAGES
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6th European Conference for Visual Media Production
作者: Patterson, J. W. Taylor, C. D. Willis, P. J. Univ Glasgow Glasgow G12 8QQ Lanark Scotland Heriot Watt Univ Edinburgh EH14 4AS Midlothian Scotland Univ Bath Bath BA2 7AY Avon England
We address the problem of representing captured images in the continuous mathematical space more usually associated with certain forms of drawn ('vector') images. Such an image is resolution-independent so can... 详细信息
来源: 评论
Immersive 3-D video conferencing: Challenges, concepts, and implementations
Immersive 3-D video conferencing: Challenges, concepts, and ...
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Conference on Visual Communications and Image Processing 2003
作者: Eisert, P Fraunhofer Inst Telecommun Heinrich Hertz Inst Image Proc Dept D-10587 Berlin Germany
In this paper, a next generation 3-D video conferencing system is presented that provides immersive tele-presence and natural representation of all participants in a shared virtual meeting space. The system is based o... 详细信息
来源: 评论
3D model based non-rigid motion estimation for multiview image sequences compression
3D model based non-rigid motion estimation for multiview ima...
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Visual Communications and Image Processing 1998 Conference
作者: Kompatsiaris, I Tzovaras, D Strintzis, MG Aristotelian Univ Salonika Dept Elect & Comp Engn Informat Proc Lab GR-54006 Salonika Greece
This paper describes a procedure for model-based coding of dl channels of a multiview image sequence. The 3D model is initialized by accurate adaptation of a 2D wireframe model to the foreground object of one of the v... 详细信息
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Sensitivity of model-based coded video to packet losses
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IEEE International Conference on Image Processing
作者: Woods, JC Ramanan, S Pearson, DE Univ Essex Dept Elect Syst Engn Colchester CO4 3SQ Essex England
Previous model-based video coding studies have focused on the modelling techniques themselves and have not considered the transportation of an implementable coder over lossy networks. In this contribution a hybrid swi... 详细信息
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Two-stage Multiple-model Compression Approach for Sampled Electrical Signals
Two-stage Multiple-Model Compression Approach for Sampled El...
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Data Compression Conference (DCC)
作者: Presvots, Corentin Kieffer, Michel Prevost, Thibault Panciatici, Patrick Li, Zuxing Piantanida, Pablo Reseau Transport Elect F-92073 La Defense France Lab Signaux & Syst F-91192 Gif Sur Yvette France CentraleSupelec Quebec AI Inst CNRS Int Lab Learning Syst Montreal PQ Canada
This paper presents a two-stage Multiple-model Compression (MMC) approach for sampled electrical waveforms. To limit latency, the processing is window-based, with a window length commensurate to the electrical period.... 详细信息
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TOWARD THE NEW ERA OF VISUAL COMMUNICATION
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IEICE TRANSACTIONS ON COMMUNICATIONS 1993年 第6期E76B卷 577-591页
作者: KANEKO, M KISHINO, F SHIMAMURA, K HARASHIMA, H Kokusai Denshin Denwa Co Kamifukuoka-shi Japan
Recently, studies aiming at the next generation of visual communication services which support better human communication have been carried out intensively in Japan. The principal motive of these studies is to develop... 详细信息
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An active model for facial feature tracking
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EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING 2002年 第6期2002卷 566-571页
作者: Ahlberg, J Linkoping Univ Dept Elect Engn Image Coding Grp SE-58131 Linkoping Sweden
We present a system for finding and tracking a face and extract global and local animation parameters from a video sequence. The system uses an initial colour processing step for finding a rough estimate of the positi... 详细信息
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Modified Hough transforms for object feature extraction
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JOURNAL OF INFORMATION SCIENCE AND ENGINEERING 2001年 第1期17卷 133-145页
作者: Yang, JF Hao, SS Natl Cheng Kung Univ Dept Elect Engn Tainan 701 Taiwan
In this paper, we propose the use of modified Hough transforms to efficiently extract object feature parameters, which are usually contaminated by heavily noisy corrugation and discontinuity. The modified HT (MHT) is ... 详细信息
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Sliding adjustment for 3D video representation
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EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING 2002年 第10期2002卷 1088-1101页
作者: Galpin, F Morin, L Univ Rennes 1 IRISA INRIA Rennes F-35042 Rennes France
This paper deals with video coding of static scenes viewed by a moving camera. We propose an automatic way to encode such video sequences using several 3D models. Contrary to prior art in model-based coding where 3D m... 详细信息
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