A new macroblock-layer rate control for H.264/AVC using quadratic R-D model

被引：0

作者：

Son, Nam-Rye ^{[1
]}

Shin, Yoon-Jeong ^{[1
]}

Yoo, Jae-Myung ^{[1
]}

Lee, Guee-Sang ^{[1
]}

机构：

[1] Chonnam Natl Univ, Dept Comp Sci, Kwangju, South Korea

来源：

ADVANCES IN IMAGE AND VIDEO TECHNOLOGY, PROCEEDINGS | 2006年 / 4319卷

关键词：

H.264 video coding; Quadratic R-D Model; Mean Absolute Difference;

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 recent years, rate control is an important technique in real time video communication applications using H.264/AVC. Many existing rate control algorithms employ the quadratic rate-distortion (R-D) model, which is determine the target bits for each 1, P, B frame. In this paper, we analysis the problems in rate control for JVT video coding using quadratic R-D model. According to the analysis and experimental results, we present a new frame-layer rate control scheme for JVT video coding based on the quadratic R-D model. Also we estimate the target bit rate for macroblock-layer effectively. The experimental results show that with many scene changes between neighboring frames, existing algorithm exceeded transmission bit rate, while proposed algorithm tranquilized bit rate for stable delivery.

引用

页码：822 / +

页数：2

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