Re: (no subject)
Re: (no subject)
- Subject: Re: (no subject)
- From: Marco Ugolini <email@hidden>
- Date: Tue, 22 Dec 2009 14:08:32 -0500 (EST)
Konstantin Pyanzin wrote:
>I don't know how ArgyllCMS uses FWA correction, but
>1. As I know ProfileMaker doesn't implement "Correction
>for Optical Brighteners" to colorimetric LUTs. Chromix ColorThink Pro confirms that.
Yes, you need fully spectral measurements (starting at 380nm on the UV end of the spectrum) to activate that ProfileMaker feature. Measurements just in Lab won't do.
>2. ProfileMaker builds different perceptual LUTs for i1Pro UV-cut
>and for i1Pro with the OBA/FWA correction.
Of course, somewhat different, if OBAs are present. Otherwise the feature would be pointless.
>IMHO, it may be useful to have i1Pro _AND_ i1Pro UV-cut.
Useful, perhaps. Whether it's *necessary*, that's subject to debate.
Marco
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