Scan Backs and Painting Copies
Scan Backs and Painting Copies
- Subject: Scan Backs and Painting Copies
- From: "Tony Riley" <email@hidden>
- Date: Wed, 17 Jul 2002 22:35:40 +0100
Hi
This is my first posting to the list, being an imaging science student
preparing a dissertation on digital reproduction of paintings. I understand
that the ccd's in scan backs are often based on scanner technology, and as
such are optimised for cmy (dyes) color accuracy, not rgb. This would mean
good color accuracy for photographic artwork, but not for pigments. An area
array ccd in a digital camera will give far better color accuracy. Imaging
scientists describe the two different responses as 'densitometric' (cmy) and
'colorimetric' (rgb).
Some pigments are known problem colors for (particularly digital)
reproduction. I would be very interested in hearing about list members
experiences of problems with getting accurate color.
Thanks
Tony Riley (Kendal, UK)
email@hidden
www.tonyriley.dsl.pipex.com
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