A statistical-based bit allocation rate control algorithm for low-delay joint video coding

被引：0
|
作者：
Ng, CY [1 ]
Chan, SC [1 ]
Yuk, TI [1 ]
机构：
[1] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
来源：
ISAS/CITSA 2004: INTERNATIONAL CONFERENCE ON CYBERNETICS AND INFORMATION TECHNOLOGIES, SYSTEMS AND APPLICATIONS AND 10TH INTERNATIONAL CONFERENCE ON INFORMATION SYSTEMS ANALYSIS AND SYNTHESIS, VOL 1, PROCEEDINGS: COMMUNICATIONS, INFORMATION TECHNOLOGIES AND COMPUTING | 2004年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A statistical-based,rate control algorithm for motion-compensated hybrid DPCM/DCT video coders in low-delay communications is proposed. It approximates the rate-distortion curves of a group of (residual) image blocks by a quantizer model with bit allocation based on the variance of the image blocks. The proposed algorithm has been applied to encode multiple video streams to take advantage of the statistical multiplexing effect which results in more uniform picture quality among programs as well as within a program.
引用
收藏
页码：138 / 141
页数：4
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