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    ASIA unversity > 資訊學院 > 資訊傳播學系 > 期刊論文 >  Item 310904400/4377


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/4377


    Title: Color image compression by moment-preserving and block truncation techniques
    Authors: C. K. Yang;J. C. Lin;W. H. Tsai
    Contributors: Department of Information Communication
    Date: 1997-12
    Issue Date: 2009-11-25 10:31:06 (UTC+8)
    Publisher: Asia University
    Abstract: A new color image compression technique based on moment-preserving and block truncation coding is proposed. An input image is divided into nonoverlapping blocks and each block pixel is assigned one of two representative colors, which are computed with analytic formulas derived from preserving certain moments in the block. A bit map is then generated for each block to represent the pixels' colors. Different uniformity conditions in the representative colors are also identified and utilized to save code bits. Good average compression ratios up to about 13 can be achieved, as shown by experimental results.
    Relation: IEEE Transactions on Communications 45 (12): 1513-1516
    Appears in Collections:[資訊傳播學系] 期刊論文

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