heya, can you supply an xmp or maybe even a test raw file so we can try and reproduce? also how are you looking at the image? full zoom 1:1 in darkroom mode? which external viewer at which zoom level? what are your settings for interpolation in darktable (lanczos filter or simpler?)?
-jo On Sun, Oct 18, 2015 at 11:58 AM, Scott V McGuire <scottvmcgu...@fastmail.fm> wrote: > Hello All, > > I am just learning about processing raw files in general and how to do > it in Darktable in particular. I'm very happy with the results for a > lot of my pictures and would like to thank the developers for making > this excellent software. > > Unfortunately I am having a problem with the pictures which obviously > need noise reduction. When I click to apply "denoise (profiled)" the > results look good. However, if I leave the image and then return to it > the noise is back though I still see "denoise (profiled)" as active in > the history. The noise is also there when I export the pictures. If I > deactivate/reactivate the module or reset the parameters the picture > clears up again, but this is still only temporary. As an experiment I > tried adding "denoise (bilateral filter)" and see the same results. > > I am running Debian stable but with Darktable, exiv2, and lensfun built > from source because I could not get my camera and lens to be recognized > with the prebuilt packages. I built from > * darktable-release-1.6.8.tar.gz > * exiv2-0.25.tar.gz > * lensfun-0.3.1.tar.gz > and my camera is a Sony A6000 using the kit lens > * ILCE-6000 > * E PZ 16-50mm F3.5-5.6 OSS. > I have tried with and without OpenCL and saw no difference. > > > Is there something obvious that I could be doing wrong? Please let me > know if there is some other information I can supply. > > Thanks, > > -- > Scott > > ------------------------------------------------------------------------------ > _______________________________________________ > Darktable-users mailing list > Darktable-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/darktable-users ------------------------------------------------------------------------------ _______________________________________________ Darktable-users mailing list Darktable-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-users
