Re: Monitor to monitors displaying the same image
Re: Monitor to monitors displaying the same image
- Subject: Re: Monitor to monitors displaying the same image
- From: Peter Karp <email@hidden>
- Date: Fri, 13 Jul 2007 13:18:26 +0200
Dear Sören,
> For example (worse case) one uses an high end monitor like Eizo
> ColorEdge or Quato in the production room and next person in the
> office room checking the production using a Laptop. This Laptop has
> been calibrated as well and as we all know a Laptop has a limited
> color gamut. The production will never look the same as on a high
> end monitor
Very true!
[... ]
> .Would it not be a good way to tell that color appearance will look
> identical if the screens are of equal quality, if not....?
One option to help to see if a monitor reaches a certain qualitiy
level is the Ugra Display Analysis and Certification Tool (UDACT). The
UDACT can not tell everything, but is a very valuable tool when it
comes to judge or compare monitor quality.
The UDACT tells you about the loss of colors due a software
calibration, gives you feedback about the gray balance, the achieved
white point and gamma values (over the gray ramp), tells you how big
the gamut is (compared to ISOcoated) and of course gives numbers for
the profile accuracy. The sum of this allows to see if a monitor
_could_ be good. The most important points which are missing is a good
measure of the _visual_ uniformity and the _visual_ viewing angle in
terms of stable contrast _and_ color. Both can not be measured with
'simple' colorimeters and spectrophotometers (I mean here all usual
desktop measurement devices like the ones from GretagMacbeth, X-Rite,
Colorvision...).
Best regards
Peter
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