Some of you might recall the questions I was asking on colour difference
formulae back in November. Thanks again for the help then. I thought I'd
point to the discussion I was having in a home theatre display calibration
forum. It seems the discussion is rather stalemated:
http://www.avsforum.com/avs-vb/showthread.php?t=944837
> From: Roger Breton <email@hidden>
> Date: Mon, 26 Nov 2007 20:36:07 -0500
> To: Steve Kale <email@hidden>
> Cc: ColorSync <email@hidden>
> Subject: Re: CIEDE2000 and CIELUV versus CIELAB
>
>> (Measure two colours and calculate dE according to dE(uv), dE(1994) and
>> dE(2000) and you'll get three different answers. Which measurement is
>> considered the best estimate/representation of typically perceived
>> difference?)
>>
>> Steve
>
> CIE Luv is a linear transformation of XYZ. As such, it does not have the
> cube-root compression that CIELab has. Plus, it does not have at its root
> the Munsell color system. So, perceptually, it is not better to describe
> color differences than, say, CIE xy. dE94 and dE2000 are both 'weigthed'
> color differences metrics. Heavily empirical. dE94 has its followers in the
> automotive paint industry. dE2000 is the latest fad (don't mean that
> derogatively). Keep in mind that many 'standards' and specifications are
> still written with dEab -- even in 2008.
>
> Roger Breton
>
>
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Colorsync-users mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/colorsync-users/email@hidden
This email sent to email@hidden
