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Re: GretagMacbeth Mini ColorChecker - Delta-E?

2006-03-02 by John Vitollo

This is pulled from the below link...but regarding the Digital ColorChecker Semi Gloss (SG) 
chart:  

"Except for the bluish-green, white and four grey patches, all the other patches are 
relatively far from the original chart colors (with an average DeltaE*ab difference of about 
7 with the standard ColorChecker). "

http://www.babelcolor.com/main_level/ColorChecker.htm#The_problem_with

Danny Pascale of www.babelcolor.com contributed to this thread:

http://forums.robgalbraith.com/showflat.php?Cat=0&Number=363251

Best bet is to post to the Colorsync list and tell us your findings.

John


--- In colorvision_group@yahoogroups.com, "Tom" <ttrostel@...> wrote:
>
> I asked this question elsewhere and am hoping someone here on this
> list can give me more insight on this set of measurements.
> 
> Does anyone know what the mean and standard deviation are for the
> Delta-E and Delta-E (a*b*) are for a typical mini ColorChecker chart
> from GretagMacbeth?

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