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alc59
 Post subject: Using the LAB color space to adjust an image
PostPosted: Sun Nov 06, 2011 3:53 pm  (#1) 
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Ronounours
 Post subject: Re: Using the LAB color space to adjust an image
PostPosted: Sun Nov 06, 2011 4:10 pm  (#2) 
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There is a faster way IMHO : G'MIC / Colors / Lab Mixer, and modify the 'A contrast' and 'B contrast' sliders, and you're done.

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mahvin
 Post subject: Re: Using the LAB color space to adjust an image
PostPosted: Sun Nov 06, 2011 4:11 pm  (#3) 
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But still nice to know the manual method, in any case. Thanks, alc59!

And thanks to you for sharing the G'MIC method, David. :)

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Ronounours
 Post subject: Re: Using the LAB color space to adjust an image
PostPosted: Sun Nov 06, 2011 4:16 pm  (#4) 
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mahvin wrote:
But still nice to know the manual method, in any case. Thanks, alc59!

And thanks to you for sharing the G'MIC method, David. :)


Well I've also a nice "manual" method to propose ! You only need a console :

Offtopic :
dtschump@nf310-dtschump:~$ gmic ~/work/img/tiger.jpg --rgb2lab -s[-1] c -*[-2,-1] 2 -a[-3--1] c -lab2rgb[-1]


:D
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Rod
 Post subject: Re: Using the LAB color space to adjust an image
PostPosted: Sun Nov 06, 2011 4:18 pm  (#5) 
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Thanks for sharing those three different ways to do this folks. :)

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