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Factorisation for subclass of symmetric-antisymmetric multifilter banks and its application to image coding

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3 Author(s)
Xiqi Gao ; Dept. of Radio Eng., Southeast Univ., Nanjing, China ; Lu Gan ; Cairong Zou

A complete and minimal factorisation is proposed for an important subclass of symmetric-antisymmetric multiwavelet filter banks (SAMFBs). Based on this factorisation, optimal SAMFBs are designed for image coding under an optimisation criterion. Experimental results show that the SAMFBs significantly outperform the traditional 9-7 wavelet in terms of coding efficiency, especially for hard-to-compress images

Published in:

Electronics Letters  (Volume:36 ,  Issue: 6 )

Date of Publication:

16 Mar 2000

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