Color Quartet and ICC profiles
Color Quartet and ICC profiles
- Subject: Color Quartet and ICC profiles
- From: Nick Wheeler <email@hidden>
- Date: Thu, 10 May 2001 18:28:55 -0400
Joseph:
CQ "looks" at the scanner profile when it does the preview scan. Thus the
preview has ALREADY been profiled and is being displayed via colorsync
monitor call.
Default Tone Response curve means turn color management on or off.
So to use CQ it is best to check default tone response curve off. Then do an
IT8 scan with minimal correction to the scan. Say auto neutral the 50% gray
and set the highlight and shadow with some headroom. Save these scan
settings as "site color" and leave them there for all future scans with this
particular profile you are generating. You may want a few variations for
different types of originals. Say a high key, low key, flat and contrasty
set of "site color" settings and profiles. Go ahead and scan the same target
with these different settings.
Use Linocolor to create the profiles, it seems to work best. Then once you
have the profiles you can put them anywhere - they don't have to be in the
colorsync folder. But you have to use Edit Preferences in CQScan to point to
the appropriate profile and do a new Preview each time you change the
profile (I always restart CQScan to make sure it recognizes the new
profile).
No you won't see any changes in the feedback window or densitometer because
the profile was applied to the Preview. You will notice the difference in
the Preview. Try doing a Preview scan with default Tone Responce turned on
and off and with CQScan pointed at different profiles. You will see the
changes there.
None of the 16 bit negative stuff works (color or grayscale). Just scan
grayscale negatives as though they were transparencies in 16 bit, invert and
edit in Photoshop. You are way better off that way.
Best wishes,
Nick Wheeler