A TWO-STAGE ρ-DOMAIN RATE CONTROL SCHEME FOR H.264 ENCODER

被引：0
|
作者：
Lin, Guixu [1 ]
Zheng, Shibao [1 ]
Hu, Jianling [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Inst Image Commun & Informat Proc, Shanghai 200240, Peoples R China
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-4 | 2008年
关键词：
two-stage; bit allocation; rate control; H.264/AVC;
D O I：
10.1109/ICME.2008.4607534
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, we present a two-stage rate control scheme for H.264/AVC encoder. In frame-layer, a novel bit allocation method is introduced, which estimate the target frame bits based on the coding statistics of the first stage. In MB-layer, we adopt the p-domain rate control scheme to get the refine QP of each MB for residual signal recoding. Experimental results show that our algorithm can efficiently smooth the visual quality fluctuation between frames, on the basis of meeting bit rate constraints accurately.
引用
收藏
页码：713 / 716
页数：4
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