A novel inter mode decision algorithm for H.264/AVC

被引：0
|
作者：
Ding, Yuanyuan [1 ]
Si, Yujuan [1 ]
Yao, Cheng [1 ]
机构：
[1] Jilin Univ, Inst Commun Engn, Changchun 130025, Peoples R China
来源：
CISP 2008: FIRST INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING, VOL 1, PROCEEDINGS | 2008年
关键词：
D O I：
10.1109/CISP.2008.320
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A fast inter mode decision algorithm for H.264 is proposed in this paper. Computational savings are achieved by identifying macroblocks (MBs) that are likely to be skipped in advance. This early prediction are made by three steps: 1) Based on the correlation of MBs and threshold; prior to motion estimation (W), SKIP mode can be decided; 2) After ME, if the distortion for SKIP is less than or equal to other modes, SKIP mode is selected; 3) A rate estimation model is also proposed, the computation on rate-distortion is reached and the SKIP mode can be decided too. A fast intra mode decision algorithm for P Slices is proposed too. Experimental results show that the proposed algorithm can drastically reduce the encoding time with only little quality degradation.
引用
收藏
页码：334 / 338
页数：5
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