Re: Delta H Comparison
Re: Delta H Comparison
- Subject: Re: Delta H Comparison
- From: "Fleisher, Ken" <email@hidden>
- Date: Thu, 06 Aug 2009 15:36:25 -0400
- Thread-topic: Delta H Comparison
http://www.brucelindbloom.com/index.html?Eqn_Lab_to_LCH.html
On 8/6/09 2:28 PM, "Jon Crook" <email@hidden> wrote:
>
>
>
>
>>> The discussion has so far been about dh which is the difference in
>>> hue angle when using LCh
>>>
>>>
>
> What would be the formula for reading two L* a* b* values getting your h
> value?
> Would I have to use LCh or could I start with Lab readings?
--
Ken Fleisher
Photographer
Imaging & Visual Services
National Gallery of Art
Washington, D.C.
Phone: (202) 712-7471
email@hidden
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