There’s quite a lot of material about input profiles / camera calibration in this forum. It’s often quite complicated! I’m fairly new to darktable and recently asked about this here - Camera input profiles in darktable
Thanks! After I did research the old way dealing with ICC profiles it seems that the workflow in general is similar to Capture One and X-Rite ColorChecker Camera Calibration Software workflow. Both approaches generate ICC profiles from flat white-balanced 16-bit TIF files. The difference is that the latter approach is more straight forward to create calibration profiles on the fly when developing RAWs for each shoot for constant color accuracy.
Wonder if there are any GUIs for ArgyllCMS to generate ICCs faster with few clicks so I can manage my workflow without a Windows machine.
@MStraeten Martin thanks for sharing the links…all high quality…what is your opinion on processing the target to produce a DT Style vs an ICC file?? So I guess Darktable chart vs Argyll??
In my experience the icc way is better if you want to get ‚real‘ colors, the dt chart style approach is better to match camera presets. i never was able to get satisfying results using darktable chart with referencing the cie file …
Did you ever just get the DCP files from adobe and try to convert them to icc…you can do this with dcamprof??? Might be worth seeing how that compares to the DT ones and you can add curves and lut etc to tweak the profile??
@priort, no, I didn’t try that. @Morgan_Hardwood kindly offered to make 5DSR DCP and ICC profiles, which would be available to all RT and dt users. Now Summer is pretty much here, I’ve done the outdoor shots and I’ve asked Morgan if he’s still ok to make these profiles, if yes then I’ll do the bulb shots and upload everything.
You can get the adobe ones free. You just install the DNG converter software and you have the whole Adobe library. You can delete the software after if you have not use…The work strait away in RT…conversion
of those to ICC is a two step process….dcamprof is the best tool I am aware of for that.
I tried this for my two cameras, D7000 and Z6, made a LUT ICC from the Adobe Standard DCP for each. D7000 worked fine; Z6 not so much. I didn’t dig into the possible faults…
I must admit I played with it more in RT as you can use them directly and I could enable parts of the profile ie the tone curve and the lut. I think it gave better skin tones in the images I tried
but it wasn’t a comprehensive evaluation…
etc. Thanks for the suggestion Todd but it seems it’s the adobe DNG data that’s used in darktable by default already. See first Aurelien P post on Feb 24 here -