Improved single video object rate control for MPEG-4

被引：0
|
作者：
Chen, ZZ [1 ]
Ngan, KN [1 ]
机构：
[1] Nanyang Technol Univ, Sch Comp Engn, Singapore 639798, Singapore
来源：
2003 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL III, PROCEEDINGS: IMAGE & MULTIDIMENSIONAL SIGNAL PROCESSING SIGNAL, PROCESSING EDUCATION | 2003年
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：
Rate control plays a central role in constant bit-rate (CBR) video coding applications using MPEG-4. This paper considers single video object (SVO) rate control for MPEG-4 and presents a new rate control algorithm based on the quadratic rate-distortion model. Based on a new measure for the encoding complexity, the constraints of the model parameter estimation and a novel quantizer control strategy are proposed in this paper. Simulation results show that the MPEG-4 coder, using the proposed algorithm. can achieve a higher PSNR than a coder using the conventional rate control algorithm.
引用
收藏
页码：85 / 88
页数：4
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