next up previous contents
Next: 12.3 Convolutions Up: 12.2.4 The Color Matrix Previous: CMY Conversion

YIQ Conversion

The YIQ color space is used in U.S. color television broadcasting. Conversion from RGBA to YIQA may be accomplished using the color matrix:
displaymath8041
(Generally, YIQ is not used with an alpha channel so the fourth component is eliminated.) The inverse matrix is used to map YIQ to RGBA.[14]



David Blythe
Thu Jul 17 21:24:28 PDT 1997