[argyllcms] Re: inter-instrument matching tables
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Sun, 13 Nov 2011 14:37:35 -0800
Roberto Michelena wrote:
4) make some sort of "Lab-to-Lab" link profile for each instrument to
"match" the master one (DTP-70).
Hi,
I'm not sure how well such a thing would work. It may work OK
for a particular paper, ink & instrument pair, but it's hard to say.
More serous corrections would work on spectral data, and the main
complexity would be the allowance for illuminant differences interacting
with FWA/OBA, where quite complex modeling would be needed (such as
exists in the Argyll FWA compensation). In addition there may
be geometric differences (where the nature of the light direction,
detector direction sensitivity, and the relative sizes of
the illuminated and detected regions differ), and I'm not
sure how these sorts of differences manifest in the actual readings.
Graeme Gill.
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