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Publication Detail
Evaluation of design alternatives for the 2-D-discrete wavelet transform
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Zervas ND, Anagnostopoulos GP, Spiliotopoulos V, Andreopoulos Y, Goutis CE
  • Publication date:
  • Pagination:
    1246, 1262
  • Journal:
    IEEE Transactions on Circuits and Systems for Video Technology
  • Volume:
  • Issue:
  • Status:
  • Print ISSN:
In this paper, the three main hardware architectures for the 2-D discrete wavelet transform (2-D-DWT) are reviewed. Also, optimization techniques applicable to all three architectures are described. The main contribution of this work is the quantitative comparison among these design alternatives for the 2-D-DWT. The comparison is performed in terms of memory requirements, throughput, and energy dissipation, and is based on a theoretical analysis of the alternative architectures and schedules. Memory requirements, throughput, and energy are expressed by analytical equations with parameters from both the 2-D-DWT algorithm and the implementation platform. The parameterized equations enable the early but efficient exploration of the various tradeoffs related to the selection to the one or the other architecture.
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