Optimal filtering of polyphase-downsampling-based multiple description coded video

被引：0
|
作者：
Ates, Caglar [1 ]
Urhan, Oguzhan [1 ]
Erturk, Sarp [1 ]
机构：
[1] Kocaeli Univ, Dept Elect & Telecommun Engn, Lab Image & Signal Proc KULIS, TR-41380 Kocaeli, Turkey
来源：
JOURNAL OF ELECTRONIC IMAGING | 2009年 / 18卷 / 04期
关键词：
COMPRESSION;
D O I：
10.1117/1.3247861
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：
We combine an optimal filtering approach with a multiple description coding (MDC) approach to enhance the quality of video at the receiver. Optimal filter coefficients are computed at the encoder and added to each description. At the decoder, optimal filter coefficients are obtained directly from the bit stream and employed to improve the quality. Experimental results show that the proposed approach enables better MDC performance for video in case of packet losses. (C) 2009 SPIE and IS&T. [DOI: 10.1117/1.3247861]
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页数：4
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