Error-resilient ROI coding using pre- and post-processing for video sequences

被引：0
|
作者：
Jerbi, A [1 ]
Wang, J [1 ]
Shirani, S [1 ]
机构：
[1] UB Video Inc, Vancouver, BC, Canada
来源：
2004 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL 3, PROCEEDINGS | 2004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：
An error resilient video coding method is proposed. It yields the least amount of degradation, caused by data loss, in areas of a video frame which are of greater interest. This is achieved by employing a non-linear transform that duplicates macroblocks inside the region of interest (ROI). This increased redundancy for ROI yields a high quality reconstruction of ROI even with missing data. Simulations show that this approach has acceptable performance. Moreover, the method proposed can be implemented through pre- and post-processing of the video sequence, without modification to the source codecs (e.g., H.263, MPEG4, H.264).
引用
收藏
页码：757 / 760
页数：4
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