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salewski@tnt.uni-hannover.de (Carsten Salewski) writes:

:In article 1522@tom.rz.uni-passau.de, friedric@diogenes.uni-passau.de (Carsten Friedrich) writes:

:>
:>I have a big problem converting colors from cmy to rgb and vice versa.
:>The usual aproach, to just invert the components seems to be incorrect.
:>
:(...)
:>
:>carsten

:Did you try this:

:	R = V/cv + Y
:	B = U/cu + Y
:	G = (Y - 0.299 R - 0.114 B) / 0.587

:Probably you forgot these constants cv = 0.493 and cu = 0.877.

:Reference:

:"Fernsehtechnik; Bd. 2: Systeme und Komponenten zur Farbbilduebertragung",
: Broder Wendland, Hartmut Schroeder, Huethig Buch Verlag Heidelberg.
: pages 51-53.

:Carsten Salewski

:email: salewski@helios.tnt.uni-hannover.de

I don't know what you are trying to convert here, but it is definitely
not CMY to RGB. I don't know what problems Mr. Friedrich is having, but
the way that he mentioned is the correct one i.e. inverting the components

	[ R, G, B ] = [ 1, 1, 1 ] - [ C, M, Y ].

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