Gerhard Fuernkranz wrote:
Btw, I'm actually wondering whether well-known spectral imaging
approaches might also work for turning a scanner into a more
colorimetric device:
Any comments or objections?
Some comments spring to mind:
This probably won't work for narrow band scanner sensitivities.
How do you calibrate your spectral scanner ?
What maths is needed to extract spectral info from RGB+filter output ?
Is it all worth it ? For that much effort, you may be better of buying
a spectrometer, if your aim is to read test patches, rather than
do a spectral scan of artwork etc.
There is a bunch of literature about this sort of thing, mostly
from the art preservation/reproduction folks, who are most active
in pursuing spectral reproduction.
Graeme Gill.
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