Function usb_cam::formats::YUV2RGB

Function Documentation

inline void usb_cam::formats::YUV2RGB(const unsigned char &y, const unsigned char &u, const unsigned char &v, unsigned char *r, unsigned char *g, unsigned char *b)

Conversion from YUV to RGB.

The normal conversion matrix is due to Julien (surname unknown):

[ R ] [ 1.0 0.0 1.403 ] [ Y ] [ G ] = [ 1.0 -0.344 -0.714 ] [ U ] [ B ] [ 1.0 1.770 0.0 ] [ V ]

and the firewire one is similar:

[ R ] [ 1.0 0.0 0.700 ] [ Y ] [ G ] = [ 1.0 -0.198 -0.291 ] [ U ] [ B ] [ 1.0 1.015 0.0 ] [ V ]

Corrected by BJT (coriander’s transforms RGB->YUV and YUV->RGB do not get you back to the same RGB!) [ R ] [ 1.0 0.0 1.136 ] [ Y ] [ G ] = [ 1.0 -0.396 -0.578 ] [ U ] [ B ] [ 1.0 2.041 0.002 ] [ V ]