Re: Humans (and cameras and scanners) do not have a color gamut (?)
Re: Humans (and cameras and scanners) do not have a color gamut (?)
- Subject: Re: Humans (and cameras and scanners) do not have a color gamut (?)
- From: Graeme Gill via colorsync-users <email@hidden>
- Date: Tue, 14 Jan 2020 23:47:02 +1100
Martin Orpen via colorsync-users wrote:
> How can you profile it?
Like any other output device!
> We have coatings that are only visible to humans under specific illuminants,
> coatings
> that change colour dependent on temperature, coatings that fluoresce,
> coatings that are
> magnetic etc etc.
As you well know, you need special instruments to characterize
optical properties other than color. If you load a printer up with
inks that have such special characteristics, then using
conventional color measurement is unlikely to be a good
characterization of its appearance or other physical characteristics.
So this is all irrelevant to the discussion, since it strays outside
the realm of spectral characteristics and color.
> If I can run any known coating to any known substrate then the output device
> would
> become as difficult to profile as an input device wouldn’t it?
No, it would be more difficult. An input device can be characterized
measuring its spectral sensitivity.
Cheers,
Graeme Gill.
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