• DocumentCode
    1895683
  • Title

    Sparse representations of images using overcomplete complex wavelets

  • Author

    Adeyemi, T. ; Davies, Mike

  • Author_Institution
    DSP & Multimedia Group, London Univ.
  • fYear
    2005
  • fDate
    17-20 July 2005
  • Firstpage
    865
  • Lastpage
    870
  • Abstract
    This paper describes an algorithm developed for generating sparse representations of images in a quick and efficient way using an overcomplete subband representation. Here we demonstrate the algorithm applied to Kingsbury´s popular dual tree complex wavelet transform
  • Keywords
    image representation; trees (mathematics); wavelet transforms; dual tree complex wavelet transform; image representation; overcomplete complex wavelets; overcomplete subband representation; sparse representations; Dictionaries; Equations; Iterative algorithms; Jacobian matrices; Least squares approximation; Least squares methods; Signal processing; Signal processing algorithms; Sparse matrices; Wavelet transforms;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Statistical Signal Processing, 2005 IEEE/SP 13th Workshop on
  • Conference_Location
    Novosibirsk
  • Print_ISBN
    0-7803-9403-8
  • Type

    conf

  • DOI
    10.1109/SSP.2005.1628715
  • Filename
    1628715
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1895683