Re: Colorimetric Accuracy in the Field
Re: Colorimetric Accuracy in the Field
- Subject: Re: Colorimetric Accuracy in the Field
- From: Graeme Gill <email@hidden>
- Date: Thu, 06 Jun 2013 16:22:17 +1000
Terence Wyse wrote:
> As someone who uses photography for both "artistic" reasons and art reproduction, I've
> been watching with interest this whole discussion and Andrew hit's on something that
> should've been laid down from the beginning.......colorimetric matching has EVERYTHING
> to do with art reproduction but I think "perceptual" matching is what we're looking for
> in general photography...or artistic photography if you will.
Yes, but that's not the point. The point is how you get to a perceptual pleasing
result. Just because the end result isn't colorimetric, doesn't mean that it's
a good idea to skip colorimetric as a first step.
> Unless I can put a
> spectro on a leaf or a bird or the sky or a flower, colorimetric matching for this kind
> of photography has virtually no meaning to me.....there's simply no WAY I can know if
> I'm getting a match to the original scene....
You can if you have confidence that the capture process is essentially
colorimetric, with no imposed artistic "look" in it. You create
such a process by calibrating/profiling it under controlled conditions.
Doing so in a way that you can apply in general situations has it's challenges
if the camera spectral sensitivities don't match the human observer very well.
Graeme Gill.
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