Re: Real world experience w/ GMG and Oris RIPs
Re: Real world experience w/ GMG and Oris RIPs
- Subject: Re: Real world experience w/ GMG and Oris RIPs
- From: Terry Wyse <email@hidden>
- Date: Thu, 18 Nov 2004 15:44:51 -0500
On Nov 18, 2004, at 9:05 AM, Rich Apollo wrote:
A couple of things to add:
1) Since the "color-matching" processes of these RIPs use no ICC
profiles - what are users sending to clients in place of a
press/target profile?
In the case of GMG, there's a couple of things you can do:
1) Export the measurement data from their "Profile Editor" and use it
to build an ICC profile using ProfileMaker or Monaco Profiler.
2) Measure a standard IT8 or ECI2002 target in Measure Tool and then
import the measurement data (as Lab) into GMG's Profile Editor. That's
the process I use. You're using the same data to build your ICC profile
as you're using in the RIP.
2) In doing some testing here with Oris I found their deltaE numbers
to be rather "optimistic". I took the same measurement data into
Measure Tool and found that I had not improved at all over my current
proofing scenario (comparing measurements of TC3.5s and IT8-7/3 from
press and proofer). Anybody else done similar comparisons?
Actually, I have and I found similar results with GMG. The delta e
reported within GMG was up to about .5 delta e "optimistic" compared to
Measure Tool using straight delta e. But compared to the other ICC RIPs
I was comparing to, GMG still proved to be better. One thing that may
be contributing to this is that GMG tosses about 200 patches or so from
the standard ECI target so it's not measuring from the same number of
patches that I was using with Measure Tool. Did it toss 200 of the more
difficult patches? I'm not sure.
Cheers,
Terry
_____________________________
WyseConsul
Color Management Consulting
email@hidden
704.843.0858
http://www.colormanagementgroup.com
http://www.wyseconsul.com (coming soon)
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