I used to write introduction& review article for FOSS software on Linux.
And I once own a Nokia N900 camera and noticed one of its feature application do shot RAW( stored in .dng container) and then I know&use Darktable; late last year I got my Fujifilm XQ1 but was still not doing anything in return to Darktable.
Now, here I am trying to create noise profile for me and other whom use both XQ1 and Darktable.
Original Reading(blog)
http://www.darktable.org/2012/12/profiling-sensor-and-photon-noise/
Submitted Profiles
Detailed Instructions Devs provided
the parameters (a, b) have to be found for each (camera, iso) pair. these are then stored in a preset for a new denoising module
- Get the environment ready get the source code and enter "darktable/tools/noise"(your place) directory run "make"
BEWARE: Installation DO NOT CONTAIN necessary TOOLS, e.g. ubuntu ppa
Take input photos with all ISO settings(one for each) or you will take those with gphoto2, better keep order bottom up according to file name(DSF0001, ISO 100; DSF0004, ISO 125, etc.)
darktable/tools/noise/gen-profile -d 'directory contains the RAW you will use'
Read the output and solve issues, if there are; and if success, test the profile and play, then if you happy with the result, you can post the file to mailing list ( subscribe required). IRC channel is also a place to chat with others about how/what to play with Darktable. http://www.darktable.org/contact/
