Fast mode decision for H.264 based on rate-distortion cost estimation

被引：0
|
作者：
Lin, Yao-Chung [1 ]
Fink, Torsten [2 ]
Bellers, Erwin [2 ]
机构：
[1] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA
[2] NXP Semicond, TriMedia Ctr Excellence, San Jose, CA 95131 USA
来源：
2007 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL I, PTS 1-3, PROCEEDINGS | 2007年
关键词：
video coding; H.264/AVC; mode decision;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A fast mode decision algorithm for an H.264 encoder is proposed which reduces computation by using a statistical dependency of macroblock rate-distortion (RD) costs. The algorithm skips the motion estimation and/or intra prediction mode decision with an adaptive threshold. The simulation results show that the proposed algorithm achieves an almost 2X speedup with negligible degradation in coding efficiency.
引用
收藏
页码：1137 / +
页数：2
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