A class of near shift-invariant and orientation-selective transform based on delay-less oversampled even-stacked cosine-modulated filter banks

Seisuke Kyochi, Masaaki Ikehara

    研究成果: Article査読

    11 被引用数 (Scopus)

    抄録

    The purpose of this study is to show a class of near shiftinvariant and orientation-selective transform based on even-stacked cosinemodulated filter banks (ECFBs) which originally have been proposed by Lin and Vaidyanathan. It is well-known that ECFBs can be designed by the modulation of just one prototype filter and guarantee the linear phase property. We extend this class to delay-less oversampled ECFB and show two additional attractive features; high directional selectivity and near shiftinvariant property. In this paper, these properties are verified by theoretical analysis and demonstrations.

    本文言語English
    ページ(範囲)724-733
    ページ数10
    ジャーナルIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
    E93-A
    4
    DOI
    出版ステータスPublished - 2010 4

    ASJC Scopus subject areas

    • 信号処理
    • コンピュータ グラフィックスおよびコンピュータ支援設計
    • 電子工学および電気工学
    • 応用数学

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