Complexity based fast coding mode decision for MPEG-2/H.264 video transcoding

被引：0
|
作者：
Li, Shen [1 ]
Li, Lingfeng [1 ]
Ikenaga, Takeshi [1 ]
Ishiwata, Shunichi [2 ]
Matsui, Mastaka [2 ]
Goto, Satoshi [1 ]
机构：
[1] Waseda Univ, Grad Sch Informat Prod & Syst, Fukuoka 8080135, Japan
[2] Toshiba Co Ltd, SoC R&D Ctr, Kawasaki, Kanagawa 2128520, Japan
来源：
2006 IEEE ASIA PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS | 2006年
关键词：
MPEG-2; H.264; video transcoding; complexity based;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The coexistence of MIPEG-2 and its powerful succesor H.264/AVC has created a huge need for MEPEG-2/H.Z4 video transcoding. This paper proposes a 2-D Sobel filter based motion vector domain method and a DCT domain method to measure macroblock complexity and realize efficient H.264 candidate mode decision. A new local edge based fast INTRA prediction mode decision method is also adopted to boost the encoding efficiency. Simulation results confirm that with the proposed methods the computational burden of a traditional transcoder can be reduced by 20% similar to 30% with only a negligible bit-rate increase for a wide range of video sequences.
引用
收藏
页码：574 / +
页数：2
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