I got usable results on the old woman/young woman poster shot by using:
1) two invocations of the equalizer - one using the denoise preset but
increased to a mix of 1.25, and the other using the sharpness preset
with a mix of 1.0
2) very slight touch of raw denoise
3) enabled defringe module at defaults
4) increased sharpen module (unsharp mask) a touch.
I note the lens correction module does nothing for this image despite
the obvious barrel distortion. I suppose lensfun does not support this
lens? One thing I did not do is raise the exposure which would only
increase the noise substantially.
Having said all that, everybody has their own threshold of detail versus
smoothing when denoising.
Jack
On 12/07/2016 10:10 PM, KOVÁCS István wrote:
Hi,
(Second attempt, sorry if you get a duplicate.)
For very high ISO, i usually enable colour smoothing under demosaic
settings, apply profiled denoising for colours (wavelet mode with colour
blending mode, heavy denoising settings), avoid all sharpening, and, if
the situation is really bad, apply a pinch of raw denoising. Still, I
find that RawTherapee is better in this respect. Sometimes I skip
denoising in darktable and use NoiseNinja, an old commercial denoising
app that has a Linux version (BTW, PictureCode, developers of
NoiseNinja, now produce a nice little raw developer called PhotoNinja,
which you can get to run under wine).
Regarding colours, darktable often ships with two profiles for a camera,
called standard and enhanced. You can try both, and if you don't like
either, you can profile your camera, or try RawStudio's profiles (if
they have one). Expect a drop in processing speed with RawStudio
profiles, though.
Kofa
On 8 Dec 2016 00:45, "Saint Germain" <saint...@gmail.com
<mailto:saint...@gmail.com>> wrote:
Hello,
I just bought a Samsung NX1 and would like to use Darktable to process
the RAW (SRW).
However I really tried but I couldn't manage to get correct colors or
to have a good noise reduction in high iso situation (low light).
I've tried LightRoom and RawTherapee and I managed (without knowing
these softwares) to get quite good results in under 5-10 minutes.
So far I think I've spent several hours with Darktable...
I would really like to stay with Darktable (as I find the interface
quite pleasant and it offers a lot of useful features) but I really
need to have good colors and good noise reduction (at least comparable
to LR and RT) without too much tinkering.
>From what I have heard, it seems that Darktable noise reduction is
very powerful and actually superior to LR or RT. Basic noise reduction
in LR or RT is very simple : 2 sliders and that's it (Luminance and
Details). However it is quite effective, and I haven't been able to do
better with Darktable (and it took me much more time, I even made a
noise profile !).
Perhaps am I doing something wrong ?
Can someone guide me or show me how to proceed ?
Original JPEG + RAW
http://dl.free.fr/fBpM8C6I1
http://dl.free.fr/jB13bvffN
Rawtherapee (JPEG + pp3)
http://dl.free.fr/vT4rAtm5O
http://dl.free.fr/fJEcA3gH9
Lightroom (JPEG)
http://dl.free.fr/nEEcDqtq0
Darktable Noise profile
http://dl.free.fr/sZ8hCADDw
Darktable (JPEG + xmp)
http://dl.free.fr/fJQSonH7n
http://dl.free.fr/knQbw4QMl
Thanks a lot in advance,
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