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检索条件"主题词=Model-based coding"
59 条 记 录,以下是21-30 订阅
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model-based Face Image coding Using Face Prototyping and H.264
Model-based Face Image Coding Using Face Prototyping and H.2...
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53rd International ELMAR Symposium (ELMAR)
作者: Polec, Jaroslav Ondrusova, Sandra Krulikovska, Lenka Slovak Univ Technol Bratislava Dept Telecommun Bratislava Slovakia
Static and dynamic image coding is necessary for transfer via communication network. Digital image representation requires large numbers of bits. In this paper low bit-rate human face image coding using triangulation ... 详细信息
来源: 评论
Video coding of model-based at very low bit rates
Video coding of model-based at very low bit rates
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Conference on Visual Communications and Image Processing 2003
作者: Fu, XP Wang, Z Dalian Maritime Univ Dept Comp Sci & Technol Dalian 116026 Peoples R China
Very low bit rate coding is an important part of the MPEG-4 standard. To obtain maximum compression in videoconference sequences a technique called model-based coding can be used. With this technique, the face of the ... 详细信息
来源: 评论
Overview of intelligent video coding: from model-based to learning-based approaches
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Visual Intelligence 2023年 第1期1卷 1-19页
作者: Ma, Siwei Gao, Junlong Wang, Ruofan Chang, Jianhui Mao, Qi Huang, Zhimeng Jia, Chuanmin National Engineering Research Center of Visual Technology School of Computer Science Peking University Beijing 100871 China State Key Laboratory of Media Convergence and Communication Communication University of China Beijing 100024 China Wangxuan Institue of Computer Technology Peking University Beijing 100871 China
Intelligent video coding (IVC), which dates back to the late 1980s with the concept of encoding videos with knowledge and semantics, includes visual content compact representation models and methods enabling structura... 详细信息
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Advances in very low bit rate video coding in North America
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IEICE TRANSACTIONS ON COMMUNICATIONS 1996年 第10期E79B卷 1425-1433页
作者: Huang, TS Stroming, JW Kang, Y Lopez, R Beckman Institute University of Illinois Champaign United States
Research in very low-bit rate coding has made significant advancements in the past few years. Most recently, the introduction of the MPEG-4 proposal has motivated a wide variety of approaches aimed al achieving a new ... 详细信息
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Flexible 3D motion estimation and tracking for multiview image sequence coding
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SIGNAL PROCESSING-IMAGE COMMUNICATION 1998年 第1-2期14卷 95-110页
作者: Kompatsiaris, I Tzovaras, D Strintzis, MG Aristotle Univ Thessaloniki Informat Proc Lab Dept Elect & Comp Engn Thessaloniki 54006 Greece
This paper describes a procedure for model-based coding of all channels of a multiview image sequence. The 3D model is initialised by accurate adaptation of a 2D wireframe model to the foreground object of one of the ... 详细信息
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AUTOMATIC FACE LOCATION DETECTION FOR model-ASSISTED RATE CONTROL IN H.261-COMPATIBLE coding OF VIDEO
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SIGNAL PROCESSING-IMAGE COMMUNICATION 1995年 第4-6期7卷 435-455页
作者: ELEFTHERIADIS, A JACQUIN, A COLUMBIA UNIV DEPT ELECT ENGNNEW YORKNY 10027
We present a novel and practical way to integrate techniques from computer vision to low bit-rate coding systems for video teleconferencing applications. Our focus is to locate and track the faces and selected facial ... 详细信息
来源: 评论
modeling of 2D+1 texture movies for video coding
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IMAGE AND VISION COMPUTING 2003年 第1期21卷 49-59页
作者: Valaeys, S Menegaz, G Ziliani, F Reichel, J Swiss Fed Inst Technol Audio Visual Commun Lab CH-1015 Lausanne Switzerland VisioWave SA CH-1024 Ecublens Switzerland
We propose a novel model-based coding system for video. model-based coding aims at improving compression gain by replacing the non-informative image elements with some perceptually equivalent models. Images enclosing ... 详细信息
来源: 评论
model-aided coding: A new approach to incorporate facial animation into motion-compensated video coding
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 2000年 第3期10卷 344-358页
作者: Eisert, P Wiegand, T Girod, B Univ Erlangen Nurnberg Telecommun Lab D-91058 Erlangen Germany
We show that traditional waveform coding and 3-D model-based coding are not competing alternatives, but should be combined to support and complement each other. Both approaches are combined such that the generality of... 详细信息
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AUTOMATIC FACE LOCATION DETECTION AND TRACKING FOR model-ASSISTED coding OF VIDEO TELECONFERENCING SEQUENCES AT LOW BIT-RATES
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SIGNAL PROCESSING-IMAGE COMMUNICATION 1995年 第3期7卷 231-248页
作者: ELEFTHERIADIS, A JACQUIN, A COLUMBIA UNIV DEPT ELECT ENGNNEW YORKNY 10027
We present a novel and practical way to integrate techniques from computer vision to low bit-rate coding systems for video teleconferencing applications. Our focus is to locate and track the faces of persons in typica... 详细信息
来源: 评论
Multi-view coding for Image-based Rendering using 3-D scene geometry
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 2003年 第11期13卷 1092-1106页
作者: Magnor, M Ramanathan, P Girod, B Max Planck Inst Informat D-66123 Saarbrucken Germany Stanford Univ Stanford CA 94305 USA
To store and transmit the large, amount of image data necessary for Image-based Rendering (IBR), efficient coding schemes are required. This paper presents two different approaches which exploit three-dimensional scen... 详细信息
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