Re: Big problems using Bill Atkinssons new Eye-1 profiles
Re: Big problems using Bill Atkinssons new Eye-1 profiles
- Subject: Re: Big problems using Bill Atkinssons new Eye-1 profiles
- From: bruce fraser <email@hidden>
- Date: Sun, 12 Feb 2006 18:38:06 -0800
For what it's worth, I've foound that with ProfileMaker, I get a
somewhat more robust profile for Epsons with Ultrachrome inks and
Enhanced Matte paper using a target of around 2500 patches than I do
using the TC 918. But the differences are quite subtle. With Monaco
Profiler, I get a noticably better profile using their larger target
(1700-some patches) than I do using either of the smaller ones. But I
wouldn't like to have to prove the case to a skeptic!
Bruce
At 10:50 AM -0500 2/12/06, Jim Rich wrote:
Bruce,
What's the hard scientific definition of "better result"?
You know say comparing a 918 patch count to a +4000 patch count on different
medias and then compare the delta e values. And the of course look at the
prints.
It takes longer to measure a higher patch count target, and a little
longer to calculate the profile. There doesn't seem to be any
performance hit in using the profile.
There's an inherent trade-off between accuracy (lots of patches) and
smoothness (lots of interpolation). The trade-off is different for
different devices (and in some cases, for different papers on the
same device).
You can look at average, maximum and minimum delta-e for some
population of colors, but the results will always depend on the
population of colors you choose. Unfortunately, such evidence, while
hard and scientific, tells you bugger-all about the profile's
efficacy in reproducing actual work, like (for example) photographic
images.
Your point here is one of this things I was getting at.
We agree.
Jim Rich
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Colorsync-users mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden
--
email@hidden
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Colorsync-users mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden