Re: Difference in spectrophotometer readings
Re: Difference in spectrophotometer readings
- Subject: Re: Difference in spectrophotometer readings
- From: <email@hidden>
- Date: Fri, 13 Dec 2002 12:29:19 -0500
Graeme Gill Wrote:
------
If your intent is perceptual (ie. you would like a pleasing
image),
and particularly if the source is a different device (like
RGB for
instance), then the instrument differences become
much less important
given everything else going on (gamut mapping, white
point adaptation,
comparing the images from memory rather than side
by side etc.),
and my "extremely obvious yellow cast" becomes a
"barely perceptible
yellow cast".
----------
The whole point of using a device to read the color is, in
my opinion, to eliminate subjective arguments of the
observer. In a sense, too quantify differences.
I see a full circle of some of my earlier thoughts that
Spectrophotometers are, in fact, analog to digital
conversion devices and need to have a way of
performing a routine linearization on them.
This is of tremendous impact to unifying color
management
Sam Landry
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