A novel motion vector recovery algorithm for error concealment in video transmission

被引：1
|
作者：
Yan, B [1 ]
Ng, KW [1 ]
机构：
[1] Chinese Univ Hong Kong, Dept Comp Sci & Engn, Hong Kong, Hong Kong, Peoples R China
来源：
CCNC 2004: 1ST IEEE CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE, PROCEEDINGS: CONSUMER NETWORKING: CLOSING THE DIGITAL DIVIDE | 2004年
关键词：
D O I：
10.1109/CCNC.2004.1286934
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Error concealment is an effective method to combat channel errors for video transmission. In video coding, motion vectors (MVs) are highly significant for the matching of the missing video block. Thus how to recover the lost MV is an important issue for error concealment in video communications. Concerning the high block loss ratio (131,11) during video transmission and the matching of edge blocks in video frames, we proposed the selective motion vector matching (SMVM) algorithm for MV recovery. It incorporates the status flags of the neighboring pixels of the missing block and constructs new MV sets for block matching. Experimental results show that it significantly outperforms other existing MV recovery methods for error concealment at different BLRs.
引用
收藏
页码：621 / 623
页数：3
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