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Title: A unified transcoding approach to fast forward and reverse playback of compressed video
Authors: Tan, Y.-P.
Liang, Y.Q. 
Keywords: Fast video playback
Intra-coding refreshment
Motion estimation
Video transcoding
Issue Date: Nov-2003
Citation: Tan, Y.-P., Liang, Y.Q. (2003-11). A unified transcoding approach to fast forward and reverse playback of compressed video. IEEE Transactions on Consumer Electronics 49 (4) : 1098-1105. ScholarBank@NUS Repository.
Abstract: We propose a unified approach for realizing fastforward and fast-reverse playback of a pre-coded video by generating a new and lower-bitrate video through video transcoding. To reduce the computational complexity, we develop fast algorithms to estimate the motion vectors required for transcoding the video. To accommodate changes due to frame-skipping and to sustain satisfactory coding efficiency, we adaptively alter the group-of-pictures structure of the transcoded video to suit for different playback speeds. Subjective tests are conducted to assess the perceived quality of video played back at various fast speeds. Experimental results and complexity analysis are presented in this paper to show the efficacy of the proposed approach.
Source Title: IEEE Transactions on Consumer Electronics
ISSN: 00983063
DOI: 10.1109/TCE.2003.1261202
Appears in Collections:Staff Publications

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