视频压缩中运动估计块匹配算法研究

Research on algorithm of motion estimatin block matching in video compression

首先介绍了视频压缩系统,并在此基础上阐述了运动估计块匹配算法,分别介绍了块匹配的基本原理、提高运动估计效率的几个关键技术,分析了传统的基于块的运动估计块匹配算法和后来改进的匹配算法的性能,同时在分析MPEG-4特性的基础上,阐述了未来的运动估计匹配算法的发展趋势。

This paper firstly introduced the video compression system, then explained the algorithm of motion estimation block matching, analyzed the performances of the traditional and improved algorithms from several key technologies, such as the principle of block matching and efficiency of motion estimation, at the same time expatiated the developing trend of motion estimation matching algorithm on the basis of analyzing the characteristics of MPEG- 4.