EFFICIENT INTER/INTRA MODE DECISION FOR H.264/AVC INTER FRAME TRANSCODING

被引：0
|
作者：
Wu, Chien-Da [1 ]
Lin, Yinyi [1 ]
机构：
[1] Natl Cent Univ, Dept Commun Engn, Chungli 32054, Taiwan
来源：
2009 16TH IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOLS 1-6 | 2009年
关键词：
H.264/AVC; inter frame transcoding; rate-distortion cost function; rate distortion optimization (RDO);
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, we propose an efficient inter/intra mode decision for H.264/AVC inter frame transcoding. A zero-block decision scheme is first employed to select some candidate inter and intra modes for prediction. Soon afterward, we incorporate a fast multi-reference frame motion estimation with adaptive search window into inter mode decision. For intra mode decision we suggest a mode refinement scheme to eliminate improbable modes for RDO calculations to a greater extent. The experimental results reveal that average 93% of computation time can be saved for the proposed H.264 inter frame transcoding algorithm, when compared with fully decoding/encoding procedure. The degradation in the rate-distortion performance is fairly small.
引用
收藏
页码：3697 / 3700
页数：4
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