cal/cal/rgb_ycc.cal

{ RCSid $Id$ }
{
        Convert between RGB and YCbCr color spaces

        Greg Ward       Sept. 2004
}
YCC2R(Y,Cb,Cr) : Y + 1.402*Cr;
YCC2G(Y,Cb,Cr) : Y - 0.34413*Cb - 0.71438*Cr;
YCC2B(Y,Cb,Cr) : Y + 1.772*Cb;
RGB2Y(R,G,B) : 0.299*R + 0.587*G + 0.114*B;
RGB2Cb(R,G,B) : -0.16874*R + -0.33126*G + 0.5*B;
RGB2Cr(R,G,B) : 0.5*R + -0.41869*G + -0.08131*B;
Revision:	1.1
Committed:	Thu Nov 25 14:44:57 2004 UTC (19 years, 4 months ago) by greg
Branch:	MAIN
CVS Tags:	rad5R4, rad5R2, rad4R2P2, rad5R0, rad5R1, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R8, rad3R9, rad4R2P1, rad5R3, HEAD
Log Message:	Added functions to convert between RGB and YCC color spaces
#	Content
1	{ RCSid $Id$ }
2	{
3	Convert between RGB and YCbCr color spaces
4
5	Greg Ward Sept. 2004
6	}
7	YCC2R(Y,Cb,Cr) : Y + 1.402*Cr;
8	YCC2G(Y,Cb,Cr) : Y - 0.34413Cb - 0.71438Cr;
9	YCC2B(Y,Cb,Cr) : Y + 1.772*Cb;
10	RGB2Y(R,G,B) : 0.299R + 0.587G + 0.114*B;
11	RGB2Cb(R,G,B) : -0.16874R + -0.33126G + 0.5*B;
12	RGB2Cr(R,G,B) : 0.5R + -0.41869G + -0.08131*B;