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List: kde-kimageshop
Subject: Fwd: Re: RGB<->LAB<->CMYK
From: Matthias Elter <me () main-echo ! net>
Date: 1999-08-15 9:46:34
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---------- Forwarded Message ----------
Subject: Re: RGB<->LAB<->CMYK
Date: Sun, 15 Aug 1999 11:32:52 +0200
From: Matthias Elter <me@main-echo.net>
On Sun, 15 Aug 1999, Tobias Burnus wrote:
> > Does anybody have references for fast RGB<->LAB<->CMYK conversion?
> This isn't a trival task since there are for RGB <-> CMYK two different colour
> systems involved (addivive and subtractive) so you can't do a 'perfect' job.
>
> Newsgroups:
> news://sci.engr.color
> news://comp.graphics.algorithms
>
> RGB to CMYK conversion
> http://www.evening.demon.co.uk/rgb.html
>
> http://www.inforamp.net/~poynton/ColorFAQ.html
> http://www.inforamp.net/~poynton/GammaFAQ.html
The conversion itself is trivial but getting good results is not. You
always lose information when converting from RGB to CMYK. Using LAB as a
intermediate color model (convert RGB to LAB and then to CMYK) helps.
Thanks for your links.
--
Matthias Elter
me@kde.org / me@main-echo.net
KDE developer
--
Matthias Elter
me@kde.org / me@main-echo.net
KDE developer
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