Block wavelet transforms for image coding
Çetin, A. Enis
Gerek, Ö. N.
IEEE Transactions on Circuits and Systems for Video Technology
433 - 435
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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.
Block wavelet transform
Discrete cosine transform (DCT)
Image coding schemes
Subband decomposition filters