Foveation Based Error Resilience Optimization for H.264 Intra Coded Frame in Wireless Communication(Multimedia Systems for Communications)
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概要
- 論文の詳細を見る
Based on the observation that foveation analysis can be used to find most critical content in terms of human visual perception in video and image, one effective error resilience method is proposed for robust transmission of H.264 intra-coded frame in wireless channel. It firstly exploits the results of foveation analysis to find foveated area in picture, and then considers the results of pre-error concealment effect analysis to search for the center of foveation macro-blocks (MB) in foveated area, finally new error resilient alignment order of MB and new coding order of MB are proposed that are used in video encoder. Extensive experimental results on different portrait video sequences over random bit error wireless channel demonstrate that this proposed method can achieve better subjective and objective effect than original JM 8.2 H.264 video codec with little effect on coding rate and image quality.
- 社団法人電子情報通信学会の論文
- 2006-02-01
著者
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Chen Yu
Department Of Mechanical Engineering National Taipei University Of Technology
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ZHANG Xudong
Department of Microbiology and Cell Science, University of Florida
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Wang Desheng
Department Of Electronic Engineering Tsinghua University
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Zhang Xudong
Department Of Electronic Engineering Tsinghua University
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Chen Yu
Department Of Electronic Engineering Tsinghua University
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Chen Yu
Department Of Chemistry Graduate School Of Science Osaka University
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Chen Yu
Department Of Chemical Biology Ernest Mario School Of Pharmacy Rutgers The State University Of New Jersey
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Chen Yu
Department And Graduate School Of Physical Education National Taiwan College Of Physical Education
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