http://cimg.sourceforge.net/greycstoration/ GREYCstoration is a FREE
digital camera noise removal program, which integrates into the Gimp &
as a stand alone utility. Its very very tunable, so here is a place to
stash params developed.
Flash Photo (1/60 synchro, 200ASA)
Most noise is evident in low level areas.
anisotropy --> 0.5
noise scale --> 3.6
contour preservation --> 1.0
Ends up a bit 'pastel painted'. A Work in Progres...