Bug 116061

Summary: Possibility to blur chroma without touching luma
Product: [Applications] digikam Reporter: Dik Takken <kde>
Component: Plugin-Editor-NoiseReductionAssignee: Digikam Developers <digikam-bugs-null>
Status: RESOLVED FIXED    
Severity: wishlist    
Priority: NOR    
Version: 0.8.2   
Target Milestone: ---   
Platform: Gentoo Packages   
OS: Linux   
Latest Commit: Version Fixed In: 1.0.0
Sentry Crash Report:

Description Dik Takken 2005-11-10 14:09:04 UTC
Version:            (using KDE KDE 3.4.1)
Installed from:    Gentoo Packages
OS:                Linux

Blurring only the croma channel of an image can reduce noise without making the image itself look less detailed/blurred. Blurring chroma can also reduce compression artifacts, so it would be a very useful feature to have in DigiKam.
Comment 1 caulier.gilles 2009-11-21 13:58:39 UTC
SVN commit 1052385 by cgilles:

new Noise Reduction tool for image editor based on Wavelets theory.
This tool is really better than old one based on dcamnoise2 tool. It work on YcBrCr color space instead RGB
BUG: 116061


 M  +1 -2      imageplugin_noisereduction.cpp  
 M  +1 -1      imageplugin_noisereduction.h  
 M  +354 -645  noisereduction.cpp  
 M  +32 -204   noisereduction.h  
 M  +49 -353   noisereductiontool.cpp  
 M  +0 -2      noisereductiontool.h  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1052385