Profile workflow
Profile workflow
- Subject: Profile workflow
- From: Krzysztof Bielecki <email@hidden>
- Date: Thu, 13 Nov 2003 09:45:32 +0100
Hi group,
I'd like to discuss some strange effects with ICC workflow, that happens to
me. May be anyone of you can advise me anything.
One of my scanning device is one year old Primescan D 8400 connected to PC
workstation - standard PC Pentium 2 GHz with 1 GB ram on MS win2k sp4.
Scanning software is Newcolor 7000 prof. Ver. 2.5. Video card is: ATI radeon
8500
I'm scanning in 8 bit mode in RGB workspace. ICC workflow is set up: output
profile for Newcolor is ECI_RGB_V1_0.icc, Input profiles for scanning are
individually generated from IT8 in Scanopen for two different materials:
KODAK and FUJI in both mode (transparent and reflective).
In Adobe Photoshop I've set up for RGB files the same profile (the same file
as a matter of fact) for this working space in settings: engine - Adobe
(ACE), intent - Relative Colorimetric.
The display connected to this workstation is BARCO Personal Calibrator,
precisely calibrated on whole surface of screen. After calibration I've
generated from Barco software Profile of screen, that I've placed into
system as well as into Newcolor settings.
My problem is, that when I open THE SAME file (in RGB mode) scanned on my
Primescan, in both applications (Photoshop and Newcolor) placing them side
by side on my display they look... Different!!!
Of course it is not dramatically different - I mean they are slightly
different in dark tones, and it is well visible that the level of contrast
is different. Never the less this difference is so big, that we have to,
sometimes rescan complicated pictures, if we trust Newcolor view.
The question is obvious - WHY?
May be that is caused by different engines that reads profile - in Newcolor
I'm pretty sure, HEIDELBERG CMM engine is used for reading and interpreting
profiles (both working space and screen). In Photoshop - I defined Adobe
engine for working space, and as there is no setting, or Colorsync, Windows
ICM is used for interpreting screen profile, I believe.
Could it be the reason of this difference?
May be you can give me any other reason, or suggestion how to correct this
problem?
Thanks in advance,
Krzysztof Bielecki
EDIPRESSE POLSKA S.A.
PREPRESS Studio
Warsaw, Poland.
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