An adaptive bandwidth reduction scheme for video coding

Liu Song*, Dajiang Zhou, Xin Jin, Satoshi Goto, Peilin Liu

*この研究の対応する著者

    研究成果: Conference contribution

    14 被引用数 (Scopus)

    抄録

    In high definition video decoders for the standard like H.264, bandwidth requirement is a critical design issue due to the overwhelming amount of memory data access. This paper proposes a new adaptive reference frame compression scheme to reduce external memory bandwidth consumption. An efficient variable length coding is proposed to compress each processing unit efficiently. Moreover, an adaptive compression mode decision unit is proposed to adaptively choose the best compression mode according to the image characteristic and bandwidth requirement. As a result, the proposed scheme achieves efficient bandwidth reduction with little image quality loss. The experimental results show that, at the same bandwidth reduction ratio the proposed algorithm achieves up-to 0.7 dB gain compared to the existing approaches.

    本文言語English
    ホスト出版物のタイトルISCAS 2010 - 2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems
    ページ401-404
    ページ数4
    DOI
    出版ステータスPublished - 2010
    イベント2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems, ISCAS 2010 - Paris
    継続期間: 2010 5 302010 6 2

    Other

    Other2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems, ISCAS 2010
    CityParis
    Period10/5/3010/6/2

    ASJC Scopus subject areas

    • ハードウェアとアーキテクチャ
    • 電子工学および電気工学

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