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   -> Volume 6, Issue 11

Answer: Biorthogonal wavelets and lifting scheme (WD 6.10#23)
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Geert Uytterhoeven (

PostPosted: Wed Oct 01, 1997 1:02 pm    
Subject: Answer: Biorthogonal wavelets and lifting scheme (WD 6.10#23)
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#20 Answer: Biorthogonal wavelets and lifting scheme (WD 6.10#23)

Hi Laurent,

> From: Laurent Grisoni <>
> Dear Wavelet digest readers,
> I have two questions about biorthogonal wavelets. The first
> one is the mathematical interest about the vanishing moments of
> wavelets in the biorthogonal case. The second one is how to make
> biorthogonal symmetric wavelets with the lifting scheme, starting
> from lazy wavelets. Any informations would be greatly
> appreciated. Thanks in advance for any indications.

We have written a wavelet transform library based on biorthogonal
wavelets and the lifting scheme: WAILI -- Wavelets with Integer
Lifting. The implementation of all transforms starts from the lazy
wavelet transform.

You can find more information, including some papers describing the
mathematics behind WAILI, at



Geert Uytterhoeven
Wavelets, Linux/{m68k~Amiga,PPC~CHRP}
Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium
All times are GMT + 1 Hour
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