摘要
在H．264视频编解码标准中，帧内4×4亮度块的预测模式有9种。在对这些预测模式的预测能力进行分析后．发现在不同帧内预测模式预测能力存在差异。为了解决这一问题，提出了一种更改编解码次序的方法对预测能力较差的模式进行编解码。实验结果表明该方法可以使预测能力较差的模式的预测能力得到改善．
There are 9 prediction modes for intra 4×4 luma block in the H.264 video codec standard.After researching, it indicates that the different intra prediction modes have different prediction abilities. In order to solve this problem, a changed codec reordering strategy is proposed to codec the poor ability intra prediction mode. Experimental results show that the method can improve the ability of the poor ability intTa prediction mode.
作者
郭永伟
李宁
GUO Yong-wei, LINing （Software Institute, Dalian Jiaotong University, Dalian 116028, China）
出处
《电脑知识与技术》
2008年第8期786-787,797,共3页
Computer Knowledge and Technology
