RE: Color difference equations

On 7/17/09 10:56 AM, "Robin Myers" <robin@xxxxxxxxxxxxx> wrote:

> One of the reasons for dE 2000 being contraindicated for large color
> differences are the mathematical discontinuities in its computation.
> The presentation by Sharma, We, Dalal and Celik at the 2004 Color
> Conference explains these discontinuities (
> http:www.ece.rochester.edu/users/gsharma/presentations/talkciede2000cic04.pdf
>   ).
 
Thanks for That Robin. I had read the paper written on the subject
previously: 
http://www.ece.rochester.edu/~gsharma/ciede2000/ciede2000noteCRNA.pdf
The math scares the hell out of me, but I noted that within the implications
of discontinuities on page 22 it is stated that significant discontinuity
only "manifests itself for samples that are 180 degrees apart in hue". As
such, I've decided not to lose too much sleep over it.

Mike

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