Transform based image compression has difficulty with image regions containing edges. Edge compensated transform coding (ECTC) addresses this problem by preprocessing to remove edges. This preprocessing is adapted to transform coding. The edge information is sent in a side channel and the edges are replaced at the receiver. Subjective improvement is demonstrated.<>


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    Title :

    Edge compensated transform coding


    Contributors:
    Lynch, W.E. (author) / Reibman, A.R. (author) / Liu, B. (author)


    Publication date :

    1994-01-01


    Size :

    429623 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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