SBHP-a low complexity wavelet coder

  • Authors:
  • C. Chrysafis;A. Said;A. Drukarev;A. Islam;W. A. Pearlman

  • Affiliations:
  • Hewlett Packard Labs., Palo Alto, CA, USA;-;-;-;-

  • Venue:
  • ICASSP '00 Proceedings of the Acoustics, Speech, and Signal Processing, 2000. on IEEE International Conference - Volume 04
  • Year:
  • 2000

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Abstract

We present a low-complexity entropy coder originally designed to work in the JPEG2000 image compression standard framework. The algorithm is meant for embedded and non-embedded coding of wavelet coefficients inside a subband, and is called subband-block hierarchical partitioning (SBHP). It was extensively tested following the standard experiment procedures, and it was shown to yield a significant reduction in the complexity of entropy coding, with small loss in compression performance. Furthermore, it is able to seamlessly support all JPEG2000 features. We present a description of the algorithm, an analysis of its complexity, and a summary of the results obtained after its integration into the verification model (VM).