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基于CDN的多描述视频编码方法研究 被引量：2

Study on Multiple Description Video Coding Methods on CDN
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摘要 从CDN(内容分发网络)技术角度出发,分析了多描述视频编码在CDN中的应用,提出了三种应用于CDN的多描述视频编码方案和基于运动矢量的描述恢复方法,分析了视频序列在时间和空间上的相关性,并比较了这三种编码方案的性能。实验表明,基于时间相关性的奇偶帧分解多描述编码方案的性能优于基于空间相关性的奇偶行、奇偶列分解多描述编码方案。 This paper analyzes application of MDVC（ Multiple Description Video Coding）in CDN（ Content Delivery Network ）. It also proposes three MDVC schemes of CDN, analyzes different video sequences＇ temporal and spatial relativity, and compares their performance in the three schemes. Experimental results show that the performance of odd-even frames decomposing multiple description scheme based on temporal relativity is better than odd-even columns decomposing and odd-even rows decomoosing schemes, which are based on soatial relativity.
作者 肖方明 郁梅 蒋刚毅
机构地区 中国科学院计算技术研究所 宁波大学电路与系统研究所
出处 《计算机应用研究》 CSCD 北大核心 2006年第1期181-183,共3页 Application Research of Computers
基金 国家自然科学基金资助项目(60472100) 浙江省自然科学基金青年人才基金资助项目(RC01057) 浙江省科技攻关项目(2004C31105) 宁波市科技局资助项目(2003A61001 2004A610001 2004A630002)
关键词 内容分发网络 多描述视频编码 基于运动矢量的描述恢复 多描述分解 CDN MDVC Motion Vector-based Description Resilience Multiple Description
分类号 TN919.81 [电子电信—通信与信息系统]
  • 相关文献

参考文献6

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  • 2Amy R Reibman,et al. Multiple Description Video Coding Using Motion Compensated Temporal Prediction [ J ]. IEEE Transactions on Circuits and Systems for Video Technology, 2002, (3): 193-204.
  • 3郁梅,蒋刚毅,贺赛龙.多描述视频编码方法研究[J].电路与系统学报,2005,10(1):76-84. 被引量：7
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二级参考文献76

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共引文献18

同被引文献10

  • 1杨文涛,易志雄,刘卫忠,邹雪城,周国学.P2P网络流媒体播放系统研究[J].电视技术,2005,29(6):66-68. 被引量：15
  • 2李振宇,谢高岗,闵应骅,李忠诚.一种结构化P2P系统的拓扑匹配算法[J].系统仿真学报,2006,18(5):1181-1185. 被引量：7
  • 3Tian C,Hemami S S.Universal multiple description scalar quantization:Analysis and design[J].IEEE Trans on Information Theory,2004,50(9):2089-2102.
  • 4Tang X,Zakhor A.Matching pursuits multiple description coding for wireless video[J].IEEE Trans on Circuits and Systems for Video Technology,2002,12(6):566-575.
  • 5Wang Y,Reibman A R,Orchard M T,et al.An improvement to multiple description transform coding[J].IEEE Trans on Signal Processing,2002,50(11):2843-2854.
  • 6Lee Y C,Kim J,Altunbasak Y,et al.Layerod coded vs.multiple description coded video over error-prone networks[J].Signal Processing:Image Communication,2003,18(5):337-356.
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  • 8LIU J,LIB.Adaptive video multicast over the Internet[J].IEEE Multi-media,2003,10(1):22-33.
  • 9KHAN S,SCHOLLMEIER R,STEINBACH E.A performance comparison of multiple description video streaming in peer2to2peer and content delivery network[J].IEEE ICME,2004(1):503-506.
  • 10郁梅,张炜,蒋刚毅,汪增福.基于塔式格型矢量量化的图像多描述编码算法[J].电路与系统学报,2004,9(3):57-61. 被引量：7

引证文献2

二级引证文献1

计算机应用研究
2006年 第1期

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