[Digikam-devel] extragear/graphics/digikamimageplugins/noisereduction

[Gilles Caulier]

On Friday 24 March 2006 10:11 am, Gerhard Kulzer wrote:
> On Tuesday 14 March 2006 16:16, Gilles Caulier wrote:
> > SVN commit 518579 by cgilles:
> >
> > digikam from trunk : New powerfull Noise Reduction tool based on
> > experimental dcamnoise2 gimp plugin algorithm. You can forget the old
> > implementation based on despeckle algorithm.
> >
> > This plugin support 16 bits image. I have fixed a lot of problems from
> > the original implementation. The plugin have been tested indeep into
> > valgrind to prevent memory leak. The setting limits have been adjusted to
> > prevent crash in any case (for example divide by zero).
> >
> > TODO :
> >
> > - We have the capabilty to apply a noise curve correction to the image. A
> > new curve widget need to be created for that (for the future, not 0.9.0
> > release). - Add save/load settings to a text file.
> > - Polish settings area (to group by action/type)
> > - Add settings description using QWhatsThis
> >
> > CCMAIL: digikam-devel at kde.org
> >
> >  M  +229 -96   imageeffect_noisereduction.cpp
> >  M  +12 -11    imageeffect_noisereduction.h
> >  M  +663 -359  noisereduction.cpp
> >  M  +47 -14    noisereduction.h
> >
> >
> > _______________________________________
>
> Hello Gilles,
> I've tested the new plugin for some time now, and I think it is really
> good, and certainly better than the old algo. I've not been able to study
> the various parameters and to identify a best default setting. This is a
> tedious task with so many parameters at hand (for example, after using
> Refocus routinely, I have found my optimum default values only now after
> one year (which I might suggest for svn, by the way)).
> On the other hand I was able to achieve the same quality with the
> Restoration plugin, except that it need much more computing time.
>

I'm currenlty in discution with the new NR algorithm author to improve it. I 
will CC to you all messages for informations. It's very interressing !!!

Gilles