JOINT OPTIMIZATION OF REPRESENTATION MODEL AND FRAME SEGMENTATION FOR GENERIC VIDEO COMPRESSION

被引：13

作者：

REUSENS, E

机构：

[1] Signal Processing Laboratory, Swiss Federal Institute of Technology

来源：

SIGNAL PROCESSING | 1995年 / 46卷 / 01期

关键词：

MULTIMODEL REPRESENTATION; OPTIMAL RESOURCES ALLOCATION; GENERICITY;

D O I：

10.1016/0165-1684(95)00075-O

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes a new image sequence compression system capable of efficiently representing any type of visual data at very low bit-rate. The coder presents a flexible structure open to evolution. Thanks to a perfect rate and frame quality control, buffer regulation issue is solved. The technique relies on the joint optimization of two degrees of freedom, namely adaptive representation model and adaptive frame support partition. Optimization is performed in a rate-distortion sense and is based on the theory of optimal resources allocation. System performances are evaluated in a particular environment, namely at very low bit-rate in the framework of video-telephony applications. Simulation results demonstrate the efficiency of the system over bit-rates ranging from 4.6 to 32 kbit/s.

引用

页码：105 / 117

页数：13

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