DEVELOPMENTS IN MODEL-BASED VIDEO CODING

被引：66

作者：

PEARSON, DE

机构：

[1] University of Essex

来源：

PROCEEDINGS OF THE IEEE | 1995年 / 83卷 / 06期

关键词：

D O I：

10.1109/5.387091

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 reports on current developments in the area of model-based video coding, a technique which shows promise of achieving very, large bit-rate reductions for moving images. After an introduction and historical review, advances are summarized in several areas, among them improved 3D tracking of the human head and of facial expressions, the use of muscle-driven model animation with skin synthesis, techniques for luminance compensation, and switched coders. Bit rates ranging from 64 kb/s down to about 1 kb/s have been obtained using head-and-shoulder video sequences. Problems with model-based methods are identified and future developments in both CBR and VER transmission discussed.

引用

页码：892 / 906

页数：15

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