[Digikam-devel] Haar algorithm into CImg...

[Gilles Caulier]

2008/1/28, Marcel Wiesweg <marcel.wiesweg at gmx.de>:
>
> > * New features :
> >      - Added functions 'CImg<T>::get_haar()', 'CImg<T>::haar()' allowing
> to
> > compute the direct and
> >      inverse Haar multiscale transform on 2D or 3D images.
> >
> > Like you know, we will store and use Haar matrix into database to
> perform
> > image fuzzy searches and duplicate items).
> >
> > What do you think to use this way to compute Haar matrix ?
> >
> > Alternative way is to import Haar algorithm from ImgSeek :
> >
> >
> http://imgseek.svn.sourceforge.net/viewvc/imgseek/trunk/imgseek-python/imgS
> >eekLib/haar.cpp?revision=56&view=markup
> >
> http://imgseek.svn.sourceforge.net/viewvc/imgseek/trunk/imgseek-python/imgS
> >eekLib/haar.h?revision=56&view=markup
> >
> > ... But this can be more complicated to do...
> >
> > Your viewpoints ?
>
> If there are no strong reasons not to use CImg in this case (very slow),
> which
> I dont believe - in ImgSeek it was written in Python with native code
> parts
> after all - then it comes just right in time to save us some time, doesnt
> it?