Re: Managing Merge Colors in Photoshop
Re: Managing Merge Colors in Photoshop
- Subject: Re: Managing Merge Colors in Photoshop
- From: Graeme Gill <email@hidden>
- Date: Thu, 02 Dec 2004 10:40:22 +1100
- Organization: Color Technology Solutions Pty. Ltd.
Roger Breton wrote:
I don't suppose the mixing model involved is as simple as adding or
subtracting one spectrum from another, wavelength by wavelength? I'll check
out Eric Stollnitz's thesis.
The simplest possible model is to multiply the reflectance values at
each wavelength. If you're going to do that though, at least divide
the paper reflectance out of each spot and multiply it in just once.
To make this work in practice though, you need to apply a tint model
to the spots as well.
Graeme Gill.
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