In the case of one-dimensional filter banks, symmetric extension is a commonly used technique for constructing nonexpansive transforms of finite-length sequences. In this paper, we show how symmetric extension can be extended to the case of two-dimensional filter banks based on quincunx sampling. In particular, we show how, for filter banks of this type, one can construct nonexpansive transforms for input sequences defined on arbitrary rectangular regions.


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    Title :

    Symmetric extension for two-channel quincunx filter banks


    Contributors:
    Yi Chen, (author) / Adams, M.D. (author) / Wu-Sheng Lu, (author)


    Publication date :

    2005-01-01


    Size :

    168970 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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