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Title: Improved macroblock-based reverse play algorithm for MPEG video streaming
Authors: Fu, CH
Chan, YL 
Siu, WC 
Issue Date: 2004
Source: 2004 International Conference on Image Processing : ICIP 2004 : Singapore, 24-27 October 2004, v. 3, p. 2063-2066
Abstract: Reverse playback is the most common video cassette recording (VCR) functions in many digital video players. However, the predictive processing techniques employed in MPEG severely complicate the reverse-play operation. In this paper, we enhance our previously proposed compressed-domain approach for the efficient reverse-play operation of an MPEG video streaming system. In the proposed video streaming servor, a novel macroblock-based algorithm is used to adaptively select the necessary macroblocks, manipulate the macroblocks and send the processed macroblocks to the client machine. The proposed approach only manipulates macroblocks either on the VLC-domain or DCT-domain to achieve the server with low complexity. Experimental results show that, as compared to the conventional system and the previously proposed compressed-domain system, the new streaming system reduces the required network bandwidth and the decoding complexity significantly.
Keywords: Computational complexity
Data compression
Discrete cosine transforms
Multimedia communication
Video coding
Video servers
Video streaming
Video tape recorders
Publisher: IEEE
ISBN: 0-7803-8554-3
DOI: 10.1109/ICIP.2004.1421490
Rights: © 2004 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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