Re: UV filtered vs. non UV filtered spectros
Re: UV filtered vs. non UV filtered spectros
- Subject: Re: UV filtered vs. non UV filtered spectros
- From: Graeme Gill <email@hidden>
- Date: Wed, 30 May 2007 11:42:57 +1000
Keith Cooper wrote:
Out of curiosity, do any products show signs of moving in this direction?
There's not much to stop color profiling systems aiming at this sort of
thing (although there's obviously more to it than tristimulus matching),
although things like ICC profiles let you down because they don't
have the concept of a spectral A2B profile, but the main issue
is the printing gear. You need a printer with multiple inks, where
the inks are chosen to be able reproduce typical target spectra.
Some of the printers that use RGB inks may be able to do this
sort of thing (and there have been research papers that do
exactly this), but it's all a bit cutting edge, with dubious
demand at the moment for a commercial product. Characterizing the
printer in a way that lets you print any given target spectrum
is going to be rather a task too. There is also the problem of
the media. You can't control the OB's with a typical printer,
you have to pick the media. Conceptually someone could load
a printer up with OB's as an ink channel, and feed non-OB paper
into it as a way of reproducing a target fluorescent response,
but it's rather a lot of trouble to go to.
Graeme Gill.
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