This paper describes the construction of second generation bandelet orthogonal bases. The decomposition on a bandelet basis is computed using a wavelet filter bank followed by adaptive geometric orthogonal filters, that require O(N) operations. The resulting geometry is multiscale and calculated with a fast procedure that minimizes a Lagrangian cost at each scale. Image compression with the resulting bandelet transform code gives significantly better results than a wavelet transform code.


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    Title :

    Discrete bandelets with geometric orthogonal filters


    Contributors:
    Peyre, G. (author) / Mallat, S. (author)


    Publication date :

    2005-01-01


    Size :

    46395 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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