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Title: Efficient motion estimation in H.264 reverse transcoding
Authors: Fu, CH
Chan, YL 
Siu, WC 
Keywords: Video cassette recording (VCR)
H.264 video
Reverse motion estimation
Issue Date: 2007
Publisher: IEEE
Source: ICIP 2007: 2007 IEEE International Conference on Image Processing : proceedings : September 16-19, 2007, San Antonio, Texas, U.S.A., p. V317-V320 How to cite?
Abstract: In this paper, we propose a fast reverse motion estimation algorithm with efficient mode decision for reverse transcoding of H.264 bitstream. By analyzing the motion vectors and modes decoded from the forward bitstream, the best mode and motion vector for each backward transcoded macroblock are estimated. A remarkable reduction of computational complexity involved in reverse motion estimation can be achieved by the proposed algorithm with only negligible impact on the rate-distortion performance.
ISBN: 1-4244-1437-7
DOI: 10.1109/ICIP.2007.4379829
Rights: © 2007 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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