分布式视频编码技术的研究现状及其展望  

The Study Status and Prospective of Distributed Video Coding

作　　者：于宗良[1] 朱秀昌[1] 

机构地区：[1]南京邮电大学图像处理与图像通信重点实验室,南京邮电大学68210003

出　　处：《信号处理》2007年第1期73-78,共6页Journal of Signal Processing

基　　金：江苏省自然科学基金(BK2004151)

摘　　要：分布式视频编码(DVC)是建立在多信源信息编码理论基础上的一种新的视频编码榧架。在对目前分布式编码文献进行分析和综合基础之上,本文首先阐述了分布式视频编码的理论基础和应用背景,然后分析介绍了目前几种典型的分布式编码算法,给出了空间域Wyner-Ziv视频编码和频域wyner-Ziv视频编码的仿真结果和分析,最后对当的影响分布式编码的几个关键问题进行剖析和展望。Distributed video coding （DVC） is a new compression paradigm based on Slepian ＆Wolf＇ s and Wyner ＆ Ziv＇s multiuser information theory. Based on many related literatures, an overview on the state of the art of DVC is given in this paper. Firstly, the DVC foundations and its application are introduced. Then several typical DVC algorithms are presented, and the experiment results and analysis of the pixel-domain Wyner-Ziv video coding and the transform-domain Wyner-Ziv video coding are described. At the end, the problems in DVC key techniques are summarized.

关 键 词：视频编码 Wyner-Ziv定理 分布式编码 关键帧 边信息 

分 类 号：TN919.81[电子电信—通信与信息系统]