Adaptive Intra-Frame Rate Control for H.264/AVC

被引：1
|
作者：
Chang, Kan [1 ]
Men, Aidong [1 ]
Zhang, Wenhao [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing 100088, Peoples R China
来源：
THIRD INTERNATIONAL CONFERENCE ON MULTIMEDIA AND UBIQUITOUS ENGINEERING (MUE 2009) | 2009年
关键词：
Rate control; H.264/AVC; Intra-Frame R-Q model; Intra-Frame bit allocation;
D O I：
10.1109/MUE.2009.21
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, we present an adaptive Intra-Frame rate-quantization (R-Q) model for H.264/AVC. The R-Q model, which is a generic relationship among the quantization value, data bits and the frame complexity, provides a mechanism to properly select the quantization value for an Infra Frame at a given target bit rate. Based on the proposed Intra-Frame R-Q model, a bit allocation scheme for tiara Frame is also proposed. Experiment results show that our Intra-Frame rate control algorithm can reduce the number of frame skippings significantly with average PSNR improved up to 0.53dB.
引用
收藏
页码：54 / 58
页数：5
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