Efficient intra mode decision for AVS to H.264/AVC transcoding

被引：0
|
作者：
Wang, Minyue [1 ]
Sun, Guangmin [1 ]
Wu, Qiang [1 ]
机构：
[1] Beijing Univ Sci & Technol, Coll Elect & Control Engn, Beijing 100083, Peoples R China
来源：
2007 IEEE INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND INFORMATION TECHNOLOGY, VOLS 1-3 | 2007年
关键词：
transcoding; AVS; H.264; ICT; coefficients;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents an AVS to H.264 Intra video transcoder. AVS is the latest video coding standard developed by China. The two video coding standards will coexist in the market in the future, so it is necessary to transcode the AVS to H.264. The INTRA16x16 vs. INTRA4x4 MB coding mode decision is made based on the variance of the ICT coefficients of the M blocks in the input AVS video. Then, the prediction mode win be decided using a fast mapping algorithm. The proposed approach completely avoids the MB mode and prediction mode computations in the H.264 encoding stage, the results show that our approach results in over 60% drop in encoding time with a negligible drop in PSNR.
引用
收藏
页码：322 / 325
页数：4
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