Design of biorthogonal filter banks composed of linear phase iip filters

Masahiro Okuda, Masaaki Ikehara, Shin Ichi Takahashl

    Research output: Contribution to journalArticlepeer-review


    Since IIR filters have lower computational complexity than FIR filters, some design methods for IIR filter banks have been presented in the recent literatures. Smith et al. have proposed a class of linear phase IIR filter banks. However this method restricts the order of the numerator to be odd and has some drawbacks. In this paper, we present two design methods for linear phase IIR filter banks. One is based on LagrangeMultiplier method, and optimal IIR filter banks in least squares sense are obtained. In an other approach, IIR filter banks with the maximum number of zeros are derived analytically.

    Original languageEnglish
    Pages (from-to)2449-2454
    Number of pages6
    JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
    Issue number11
    Publication statusPublished - 1998 Jan 1


    • Iir filter banks, linear phase response
    • Noncaitsal filtering
    • Wavelet image conding

    ASJC Scopus subject areas

    • Signal Processing
    • Computer Graphics and Computer-Aided Design
    • Electrical and Electronic Engineering
    • Applied Mathematics

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