• DocumentCode
    1844663
  • Title

    Linear parameterization of orthogonal wavelets

  • Author

    Lu, W.-S.

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada
  • Volume
    2
  • fYear
    1997
  • fDate
    2-5 Nov. 1997
  • Firstpage
    1249
  • Abstract
    This paper describes a new method for the parameterization of compactly supported orthogonal wavelet filters. The well-known Daubechies (1988) orthogonal wavelets can be viewed as a subset in the parameterized orthogonal wavelet class, which processes a maximum number of vanishing moments for a given filter length. Unlike the existing parameterizations of orthogonal wavelets, the proposed method does the parameterization through a linear characterization of all halfband filters. The paper also includes examples of optimal designs of orthogonal wavelets obtained using this parameterization technique in conjunction with efficient linear programming or quadratic programming, and application of these wavelets to signal compression and signal denoising.
  • Keywords
    circuit optimisation; data compression; filtering theory; linear programming; quadratic programming; transform coding; wavelet transforms; Daubechies orthogonal wavelets; compactly supported orthogonal wavelet filters; filter length; halfband filters; linear parameterization; linear programming; optimal designs; parameterized orthogonal wavelet; quadratic programming; signal compression; signal denoising; vanishing moments; Digital signal processing; Ear; Finite impulse response filter; Frequency; Linear programming; Nonlinear filters; Quadratic programming; Signal denoising; Signal design; Wavelet analysis;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Signals, Systems & Computers, 1997. Conference Record of the Thirty-First Asilomar Conference on
  • Conference_Location
    Pacific Grove, CA, USA
  • ISSN
    1058-6393
  • Print_ISBN
    0-8186-8316-3
  • Type

    conf

  • DOI
    10.1109/ACSSC.1997.679104
  • Filename
    679104