An adaptive MRF-MAP motion vector recovery algorithm for video error concealment

被引：0
|
作者：
Li, Zheng-Fang [1 ]
Xu, Zhi-liang
Zeng, De-lu
机构：
[1] S China Univ Technol, Coll Elect & Informat Engn, Guangzhou 510641, Peoples R China
[2] Jiang Xi Normal Univ, Dept Elect Commun Engn, Nanchang 330027, Peoples R China
来源：
INTELLIGENT COMPUTING IN SIGNAL PROCESSING AND PATTERN RECOGNITION | 2006年 / 345卷
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：
Error concealment is an attractive approach to combat channel errors for video transmission. A motion vector recovery algorithm for temporal error concealment is proposed. The motion vectors field is modeled as Gauss-Markov Random Field (GMRF) and the motion vectors of the damaged image macroblocks can be recovered adaptively by Maximum a Posteriori (MAP). Simulation results show that the proposed method offers significant improvement on both objective PSNR measurement and subjective visual quality of restored video sequence.
引用
收藏
页码：683 / 688
页数：6
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