A fast intra mode decision algorithm for H.264/AVC is proposed in this paper. The objective is to reduce the encoder complexity without significant rate-distortion performance degradation. Three methods are adopted: 1) the block size is selected between 4×4 block and 16×16 block based on the smoothness and correlation information. 2) A characteristic is also exploited, which is using to decide whether skip the process of mode decision for 4×4 block. 3) For other 4×4 blocks, based on the correlation and SATD information, some impossible modes are excluded. Experimental results show that the proposed algorithm can drastically reduce the encoding time with only little quality degradation.


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    Titel :

    Fast Intra Mode Decision Algorithm for H.264/AVC


    Beteiligte:
    Ding, Yuanyuan (Autor:in) / Si, Yujuan (Autor:in) / Yao, Cheng (Autor:in)


    Erscheinungsdatum :

    2008-05-01


    Format / Umfang :

    400287 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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