摘要： 分析可伸缩视频编码系统中由嵌入式零树编码生成的码流特征，提出一种利用最优预测估计思想将算术编码和游程编码相结合，实现熵编码优化的新方法。实验结果表明，该方法比传统自适应算术编码的效率提高了10%左右，达到了进一步压缩数据的目的。

关键词: 视频码流, 可伸缩, 熵编码, 嵌入式零树编码

Abstract: This paper analyzes features of bitstream generated by Embedded Zerotree Wavelet(EZW) in scalable video coding system, and presents a new method that combines arithmetic coding and run length coding though optimal predictor to optimize entropy coding. Experimental results show that the coding efficiency average increases about 10% by using the new method than using traditional arthmetic, and it obtains the purposes of further data compression.

Key words: video bitstream, scalable, entropy coding, Embedded Zerotree Wavelet(EZW)

中图分类号: 

• TP37