A rate control using adaptive model-based quantization

被引：0

作者：

Kim, Seonki ^{[1
]}

Kim, Tae-Jung ^{[2
]}

Lee, Sang-Bong ^{[2
]}

Suh, Jae-Won ^{[2
]}

机构：

[1] LG Elect Inc, Seoul, South Korea

[2] Chungbuk Natl Univ, Sch Elect & Comp Engn, Chongju, South Korea

来源：

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

关键词：

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：

The rate control is an essential component in video coding to provide a uniform quality under given coding constraints. The source distribution to be quantized cannot be defined as a single model in the video sequence. In this paper, we present a new rate control algorithm based on the Generalized Gaussian R-D model. Through considering a relation between adjacent frames or macroblocks, we determine model parameters, and perform a rate control on the H.264/AVC video codec. As shown in experimental results, the proposed algorithm provides an improved quality of the reconstructed picture after encoding. In addition, our scheme generates the number of bits close to the target bitrate.

引用

页码：722 / +

页数：3

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