From: "Yannick Duchêne (Hibou57)" <yannick_duchene@yahoo.fr>
Subject: Re: Color gradients lib
Date: Tue, 08 Feb 2011 20:36:14 +0100
Date: 2011-02-08T20:36:14+01:00 [thread overview]
Message-ID: <op.vqlneofsule2fv@garhos> (raw)
In-Reply-To: op.vqlm0fj1ule2fv@garhos
Le Tue, 08 Feb 2011 20:27:41 +0100, Yannick Duchêne (Hibou57)
<yannick_duchene@yahoo.fr> a écrit:
> Thanks for the link, hope I will find some formulas there (formulas
> would be more interesting than a library).
Ah, one part is there (luminance only): 0.2126·R + 0.7152· G + 0.0722· B.
Seems plausible, at least the weightings are close to the ones I used in
the past for color to gray-scale transform (every ones, note how we have
extra sensibility to green and how much we are blind to blue).
--
Si les chats miaulent et font autant de vocalises bizarres, c’est pas pour
les chiens.
“I am fluent in ASCII” [Warren 2010]
next prev parent reply other threads:[~2011-02-08 19:36 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-08 10:58 Color gradients lib Alex R. Mosteo
2011-02-08 13:16 ` Yannick Duchêne (Hibou57)
2011-02-08 14:52 ` Alex R. Mosteo
2011-02-08 15:18 ` Yannick Duchêne (Hibou57)
2011-02-08 15:21 ` Yannick Duchêne (Hibou57)
2011-02-08 16:27 ` Alex R. Mosteo
2011-02-08 19:30 ` Yannick Duchêne (Hibou57)
2011-02-08 18:00 ` Dmitry A. Kazakov
2011-02-08 19:27 ` Yannick Duchêne (Hibou57)
2011-02-08 19:36 ` Yannick Duchêne (Hibou57) [this message]
2011-02-08 19:54 ` Dmitry A. Kazakov
2011-02-09 8:53 ` Alex R. Mosteo
2011-02-08 20:26 ` Gautier write-only
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