Re: AW: colorsync-users digest, Vol 3 #759 - 12 msgs
Re: AW: colorsync-users digest, Vol 3 #759 - 12 msgs
- Subject: Re: AW: colorsync-users digest, Vol 3 #759 - 12 msgs
- From: Roger Breton <email@hidden>
- Date: Wed, 23 Apr 2003 13:19:58 -0400
>
> The ideal digital photography technique for fine art reproduction is
>
> "multi-spectral imaging". For the moment, these are only lab-type
>
digital
>
> cameras fitted with a filter wheel of six or seven color filters that
>
are
>
> used in the field by a limited few. A picture is taken through each
>
filter
>
> and later recombined in the computer. That's the technique being used
>
at
>
> the
>
> London Art Gallery and more and more around the world. Even though
>
> constant
>
> progress is being made in this field -- there was a whole symposium on
>
> multi-spectral imaging at RIT this spring -- it's going to take a
>
while
>
> before the Kodak, Canons and Nikons of this world bring to market a
>
> digital
>
> camera employing this technique.
>
>
>
> But it sure is the way to the future. Well beyond ICC and any camera
>
> profiling scheme...
>
>
>
> Roger Breton
>
> Laval, Canada
>
> graxx@videotron
>
>
I agree with Roger that multi-spectral images provide a lot more
>
information about a scene but in most cases there is no need for this
>
information.
>
It would be easier if the sensor manufacturers would improve the
>
spectral sensitivities of their sensors to match the Luther condition. A
>
soon as a camera achieves the spectral sensitivity of the human eye the
>
color reproduction problems in digital photography for fine art imaging
>
would be solved.
>
We started testing digital cameras in 1997 and found that the
>
sensitivity of the actual sensors is a hell of a lot better than it was
>
a couple of years ago.
>
>
Dietmar Wueller
>
Which begs the question : what is the "Luther" condition?
Regards,
Roger Breton
Laval, Canada
email@hidden
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