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Technical Program

Paper Detail

Paper:	IMDSP-P7.6
Session:	Video Coding I
Time:	Wednesday, May 17, 14:00 - 16:00
Presentation:	Poster
Topic:	Image and Multidimensional Signal Processing: Image/Video Transmission
Title:	Robust Video Transmission over Mixed IP - Wireless Channels using Motion-Compensated Oversampled Filterbanks
Authors:	Jui Chiu Chiang, Chang-Ming Lee, National Chung Cheng University, Taiwan; Michel Kieffer, Pierre Duhamel, LSS / CNRS / Supélec / Université Paris-Sud, XI, France
Abstract:	Robust video coding has attracted increasing attention during the past few years. This paper proposes a joint source channel coding scheme able to resist transmission errors over mixed internet-wireless channels. It involves motion-compensated oversampled filterbanks (OFBs). The redundancy introduced by the overcomplete representation in OFBs is employed for error correction of the motion compensated frames. The errors may be due to the wireless part (random noise), but also to the internet part (packet losses). The performance of the proposed approach is shown for compressed stream transmitted through a packet erasure channel with an averaged packet loss of 6.25% followed by a binary symmetric channel with a crossover probability of 0.01.