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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/25335


    Title: Temporal Video Transcoding based on Frame Complexity Analysis for Mobile Video Communication
    Authors: Ye, Chia-Hung;Yeh, Chia-Hung;Fan, Shu-Jhen;Jiang, Shu-Jhen Fan;林智揚;Lin, Chih-Yang;Che, Mei-Juan;Chen, Mei-Juan
    Contributors: 資訊工程學系
    Date: 2013-03
    Issue Date: 2013-07-11 06:18:06 (UTC+0)
    Abstract: Mobile communication systems provide more kinds
    of advanced video services. One of the most significant problems
    of mobile video communication is to adapt video content to
    different network characteristics, which is critical to acceptable
    visual quality of the transmitted videos. This paper proposes a
    frame selection scheme for temporal video transcoding through
    frame complexity analysis that consists of visual complexity and
    temporal coherence. Visual complexity represents the importance
    of frames and temporal coherence reveals the consequences of
    frame skipping; both of these two features are good indicators to
    determine if a frame should be kept. Experimental results show
    that our proposed method achieves higher visual quality and has
    more encoded frames than other existing schemes in the same
    bitrate, which means that our proposed method achieves high
    accuracy in selecting the representative frames for temporal video
    transcoding. The proposed method also has better video quality
    assessment scores than that of other existing methods, which
    means the proposed method keeps higher level of integrity of the
    transcoded videos.
    Relation: IEEE TRANSACTIONS ON BROADCASTING, V.59 N.1 : 38-46.
    Appears in Collections:[Department of Computer Science and Information Engineering] Journal Artical

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