HELP! * BLUE=global GREY=local Global HTML version of Foils prepared October 17,1995

Foil 64 T2: Compression -- Implementation (2)

From Collaborative and Interactive Visualization Project Overview Kickoff Meeting at NPAC -- October 17,1995. by Geoffrey C. Fox * See also color IMAGE
Software available
  • Commercial - AccuPress, AWARE Inc.
  • Portable version of the EFP University still image wavelet algorithm
    • color capability
    • larger scale of intensities (the previous version restricted to 256)
Implementation of 2D still image wavelet compressor
  • Goal: high quality, fast encoding / decoding, high ratio
  • High resolution, full color images, large scale of intensities
  • Varied ratio (more than 100:1)
  • Implementation of Pearlman algorithm
  • Biorthogonal transform, zero-tree, arithmetic/Huffman coder
Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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