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    Fast Compression with a Static Model in High-Order Entropy

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    FGGV04.fast.pdf (150.9Kb)
    Issue Date
    2004
    Author
    Foschini, Luca
    Grossi, Roberto
    Gupta, Ankur
    Vitter, Jeffrey Scott
    Publisher
    IEEE
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
    Metadata
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    Abstract
    We report on a simple encoding format called wzip for decompressing block-sorting transforms, such as the Burrows-Wheeler Transform (BWT). Our compressor uses the simple notions of gamma encoding and RLE organized with a wavelet tree to achieve a slightly better compression ration than bzip2 in less time. In fact, our compres- sion/decompression time is dependent on Hh, the empirical hth order entropy. Another key contribution of our compressor is its simplicity. Our compressor can also oper- ate as a full-text index with a small amount of data, while still preserving backward compatibility with just the compressor.
    Description
    (c) 2004 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
    URI
    http://hdl.handle.net/1808/7219
    DOI
    https://doi.org/10.1109/DCC.2004.1281451
    Collections
    • Distinguished Professors Scholarly Works [918]
    • Electrical Engineering and Computer Science Scholarly Works [302]
    • Provost Office Published Articles [95]
    Citation
    L. Foschini, R. Grossi, A. Gupta, and J. S. Vitter. “Fast Compression with a Static Model in High-Order Entropy,” Proceedings of the 2004 IEEE Data Compression Conference (DCC ’04), Snowbird, UT, March 2004, 62–71. http://dx.doi.org/10.1109/DCC.2004.1281451

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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