[argyllcms] Re: Linearization
- From: Roger <graxx@xxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Wed, 24 Jun 2009 21:42:12 -0400
Hi Martin,
This is the last part of the process I have not finished studying, is this
approach yielding the exact same results as calibrating on plain, vanilla
dot gain.
I don't know the answer to that question yet.
Roger
> Hi Roger,
>
> this is very much like the traditional matching by dot gain I think.
> Did you use delta E, different formulas?
>
> Martin Weberg
>
> 2009/6/19 Roger <graxx@xxxxxxxxxxxx>:
> > What I'm trying to find is can something similar be done *without* a
> linear
> > press ICC profile? Based on just four cyan, magenta and yellow step
> wedges,
> > from 0% to 100%. My hypothesis is, if, through 1D curves, it is
> possible to
> > colorimetrically match the individual CMYK channels, or within a very
> close
> > tolerance, THEN in my view, the Lab values in the Reference print
> conditions
> > in the rest of that colorspace ought to match also. Since the two
> sets of
> > colors are linearly related. That is my hypothesis.
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