Re: CororChecker SG CIE reference values (or lack of)
Re: CororChecker SG CIE reference values (or lack of)
- Subject: Re: CororChecker SG CIE reference values (or lack of)
- From: Klaus Karcher <email@hidden>
- Date: Fri, 18 Dec 2009 19:01:58 +0100
dpascale swrote:
You can have a very good idea of the ColorChecker values in the various
files I provide freely here:
http://www.babelcolor.com/main_level/ColorChecker.htm#ColorChecker_data
The spreadsheet file there gives you the average and standard deviation
from 20 charts.
This average file gives very good results when you do not have the
chance to measure the actual target.
Thank you Danny for this very valuable information. I think it's very
important to collect and publish data like this. To give some examples:
Several archives scan and archive ColorCheckers, Q13 scales and similar
targets on a regular basis for quality control purposes, but they often
forget to record and archive the corresponding measurement files.
Therefore it's very important to get an idea how reliable these
references are when it comes to asses the quality of the scans, make
retroactive profiles, try to analyze the fading of historic artworks and
so on ...
Klaus
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