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Title: Reverse-play algorithm for MPEG video streaming
Authors: Fu, CH
Chan, YL 
Siu, WC 
Issue Date: 2005
Source: 2005 IEEE International Workshop on VLSI Design and Video Technology : proceedings : May 28-30, 2005, Suzhou, China, p. 381-384
Abstract: Reverse playback involves playing back video frames in reverse order. However, it is not a straightforward task in MPEG digital video due to the use of predictive processing techniques in MPEG. In this paper, we propose a compressed-domain approach for the efficient implementation of an MPEG video streaming system to provide the reverse-play operation over a network. In the proposed video streaming server, a novel macroblock-based algorithm is used to adaptively select the necessary macroblocks, manipulate them in compressed-domain and send the processed macroblocks to the client machine. Besides, we propose a technique of mismatch error compensation such that there is only a negligibly small PSNR degradation during reverse playback of the proposed algorithm. Experimental results show that, as compared to the conventional system, the new streaming system reduces the required network bandwidth and the decoder complexity significantly in reverse playback.
Keywords: Compressed-domain processing
Digital video cassette recording (VCR)
MPEG video
Streaming video
Publisher: IEEE
ISBN: 0-7803-9005-9
Rights: © 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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