eci ISO Coated vs. Adobe Europe ISO Coated (was: Dumb question for european prepress specialists: Which profile?)
eci ISO Coated vs. Adobe Europe ISO Coated (was: Dumb question for european prepress specialists: Which profile?)
- Subject: eci ISO Coated vs. Adobe Europe ISO Coated (was: Dumb question for european prepress specialists: Which profile?)
- From: Klaus Karcher <email@hidden>
- Date: Fri, 25 Nov 2005 15:23:33 +0100
- Organization: schrift & form GmbH
Rolf Gierling wrote:
Hello Paul,
Paul Schilliger wrote:
What should I do in order to have the most predictable color?
1) Review your work again by assigning ISOcoated. If it look ok, leave
them as they are,
if not, you'll have to convert them to ISOcoated.
1a) ensure that the black genreation an total ink limit is uniform and
suitable for the printing process. If not, you'll have to convert the
affected objects.
2) If your work is finished, change your settings to ISOcoated (NOT
EuropeISOCoatedFOGRA27), -> www.eci.org
I can't believe why Adobe chose another name for a standard.
ISO 12647-2:2004 is the standard,
OFCOM_PO_P1_F60_04 ist one of the prining conditions it defines.
FOGRA27 (http://www.color.org/FOGRA27.html) is the
characterization data set for this process registered at the ICC Website
(http://www.color.org/drsection1.html)
Both "ISOcoated.icc" from http://eci.org and
"EuropeISOCoatedFOGRA27.icc" from Adobe
are profiles based on the abovementioned data set.
How good the colorimetric intent of this (an some ohter) Profiles
correspond to the data set can be seen here:
http://digitalproof.info/profcheck/profcheck5ir1b1.html
The "bubble diameter" in the chars is proportional to Delta E94 and
scaled by faktor 5 against a/b.
The "Top 40" differences ;-) are listed in the table on the right an
highlighted in the chart.
The values were generated unsing Graeme Gills "profcheck"-Tool
(http://argyllcms.com/) -- Special thanks to Graeme :-))
How different their gamut mapping performs in a "comnon cirical
situation" can bee seen at
http://digitalproof.info/perceptual-rendering/gelb-vgl.tif
(it's a Lab TIF, so you have to download it)
Klaus
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