Block wavelet transforms for image coding

Date
1993
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Source Title
IEEE Transactions on Circuits and Systems for Video Technology
Print ISSN
1051-8215
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Publisher
IEEE
Volume
3
Issue
6
Pages
433 - 435
Language
English
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Abstract

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.

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