Video compressiong has become one of the most basic companents of broadcast and entertainment media with the wide applications of Digital TV, net video and DVD technique. The popularization of digital video drives the research of video coding.

• 随着数字电视、网络视频流和DVD技术的广泛应用，视频压缩已经成为广播和娱乐媒体的最基本的组成部分，数字视频的普及又大大推动视频编码研究的发展。