[Digikam-users] problems with ICC profiles

[Daniel Bauer]

Am Donnerstag, 18. Mai 2006 21:24 schrieb Gilles Caulier:
> Daniel, have you tried this one for your Canon 20D :
>
> http://digikam3rdparty.free.fr/ICCPROFILES/CameraProfiles/EOS 20D.icc
>
> Gilles

I still don't come to any good result in 0.9.0 svn...

I've downloaded CinePaint and tried any conversions between any ICC's, no one 
came out that dark as in digikam, but also no one came out "good" (pictures 
always appeard to "flat" and still too dark).

I played with different profile-combinations in UFraw, too. When using EOS 
20D.icc for input and adobe srgb for output, the picture appears as dark as 
in digikam, but then I can correct gamma (to 0.32) and linearity (to 0.07) 
which gives a "not so bad" result, at least in the shown preview (of course 
for real usable results one would have to use more time...).

I could not find any place in digikam to adjust gamma/linearity for 
transforming raws (yes, there is gamma somewhere, but no linearity, and to 
adjust one has to play with both of them at the same time). 

Now I've spent hours in "ICC-websites", I guess I understand the theoretical 
purpose, but I don't accomplish in practice. 

I've asked around my photographer colleagues, and it seems, everybody has some 
ideas, but nobody really *knows*. Those few (extremely up-to-date digital 
studios) who really use profiles also have (very expensive!) calibrated 
monitors, scanners, proof-printers and special calibration/color management 
software and hardware (like monitor densitometers etc.) - and all this was 
set up by experts from the suppliers. And yes: they use Mac.

However, there should be a simple way to get acceptable results, isn't it? Or 
am I just too old and stupid for the modern times?

I still hope, somebody can help me...

Daniel

-- 
Daniel Bauer photographer Basel Switzerland
professional photography: http://www.daniel-bauer.com
special interest site: http://www.bauer-nudes.com