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

[+] Author Affiliations
Çağlar Ateş, Oğuzhan Urhan, Sarp Ertürk

Kocaeli University, Umuttepe Campus, Department of Electronics and Telecommunications Engineering, Laboratory of Image and Signal Processing (KULIS),41380, Kocaeli, Turkey

J. Electron. Imaging. 18(4), 043009 (October 27, 2009). doi:10.1117/1.3247861
History: Received February 20, 2009; Revised August 22, 2009; Accepted August 31, 2009; Published October 27, 2009
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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.

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Citation

Çağlar Ateş ; Oğuzhan Urhan and Sarp Ertürk
"Optimal filtering of polyphase-downsampling-based multiple description coded video", J. Electron. Imaging. 18(4), 043009 (October 27, 2009). ; http://dx.doi.org/10.1117/1.3247861


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