Monitor Calibration Quality Evaluation Protocol
Monitor Calibration Quality Evaluation Protocol
- Subject: Monitor Calibration Quality Evaluation Protocol
- From: edmund ronald <email@hidden>
- Date: Wed, 22 Jun 2005 17:33:55 +0200
Hi, folks !
As you know, I write a fair bit about color management, and I'd like
to get my opinions about LCD monitor calibration on a more solid
footing. So, I would like to establish a test protocol that I could
run on my machines to test calibrators. This is journalism, not rocket
science, but I still want to be able to do things decently.
I was thinking of first adopting a methodology similar to that of Dr.
Abhay Sharma for the WMU profiling review,
http://www.wmich.edu/ppse/staff/downloads/index.html
This means doing a whitepoint measurement and then computing delta E
for colorchecker squares. The evaluation results can then be the avg
and max delta E measured.
The instrumentation I now have is a Gretag Eyeone spectrophotometer. I
wonder whether this would be sufficient to act as a reference for this
purpose, seeing I'm doing journalism and not science? Also, I don't
know how to do the reading: Which software can put the instrument in a
state to read in the screen squares, then make measurements ? I guess
I need to somehow establish the base 100L value then compute the delta
E for each colorchecker square, can anyone tell me exactly how set up
software to do this ? It would be nice if Gretag offered some support,
eg. made their SDK available ...Maybe some existing package can
already do this ?
Specialists will rightly assume I don't know what I'm doing; however,
Color Management is now trickling down to consumer level so we need
consumer-level testing of this type.
I am cross-posting to my photofeedback blog, at
http://photofeedback.blogspot.com so you can answer here or comment
there if you wish. I would appreciate input from all the professional
members of the community.
Edmund
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