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Publication Detail
A new method for complete-to-overcomplete discrete wavelet transforms
  • Publication Type:
    Conference
  • Authors:
    Andreopoulos Y, Munteanu A, Van der Auwera G, Schelkens P, Cornelis J
  • Publisher:
    IEEE
  • Publication date:
    2002
  • Place of publication:
    Piscataway, US
  • Pagination:
    501, 504
  • Published proceedings:
    2002 14th International Conference on Digital Signal Processing, Proceedings: DSP 2002: July 1-3, 2002, Conference Centre "P.M. Nomikos", Santorini, Hellas (Greece)
  • Volume:
    2
  • Editors:
    Skodras AN,Constantinides AG
  • ISBN-10:
    0780375033
  • Status:
    Published
  • Language:
    English
  • Keywords:
    discrete wavelet transforms, image sampling, video coding
Abstract
Overcomplete discrete wavelet transforms (ODWT) are used in a number of applications because they provide shift invariance, a property extremely useful in wavelet-based image processing and video coding. In this paper, we propose a new construction of the ODWT starting from the subbands of the critically sampled (complete) DWT. The most straightforward application of our theory is scalable video coding with in-band prediction, for which it has been shown that the proposed method achieves lower complexity.
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