The quadtree-structured decomposition of images is used in image compression in order to have a low cost region description associated with a particular transform. When this transform is reduced to the mean value on each block, high compression ratios can be obtained. However, in this case a blocking effect arises. In the paper, a reconstruction method using smooth non-symmetrical interpolation functions is introduced. This method represents the information of the tree in a far more satisfactory way for the visual system than non-overlapping blocks reconstruction.<>


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    Title :

    New overlapped block reconstruction for tree-structured decomposition of images


    Contributors:
    Simon, B. (author) / Macq, B. (author)


    Publication date :

    1994-01-01


    Size :

    375039 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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