Browsing by Subject "Subband decomposition filters"

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    Block wavelet transforms for image coding
    (IEEE, 1993) Çetin, A. Enis; Gerek, Ö. N.; Ulukuş, Ş.
    In this paper, a new class of block transforms is presented. These transforms are constructed from subband decomposition filter banks corresponding to regular wavelets. New transforms are compared to the discrete cosine transform (DCT). Image coding schemes that employ the block wavelet transform (BWT) are developed. BWT's can be implemented by fast (O(N log N)) algorithms.