Re: Smarter RIPS
Re: Smarter RIPS
- Subject: Re: Smarter RIPS
- From: Graeme Gill <email@hidden>
- Date: Fri, 08 Feb 2008 10:03:36 +1100
Mark Rice wrote:
Hi David - I don't mind looking at it for the artifacts that you mentioned,
but I have observed that different "eyeballs" or users will choose any of up
to 10 points that appear to have similar densities and no bleeding, but
actually have different measurable values. This is where the inaccuracies
start. I would rather view the image, choose a "bleading point", and then
have the computer show me a graph of density, and calculate some aim point
targets for all four colors based on a choice of UCR, GCR, etc. THEN we
should calculate the linearization.
This is what I meant by "how they set the output targets (are they absolute or relative ?)".
If the density targets are chosen for every calibration, then they are
not absolute, and there's no mystery as to why calibration is inconsistent.
Graeme Gill.
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