YIQ

YIQ,是NTSC(National Television Standards Committee)電視系統標準。Y是提供黑白電視彩色電視的亮度信號(Luminance),即亮度(Brightness),I代表In-phase,色彩從橙色到青色,Q代表Quadrature-phase,色彩從紫色到黄绿色。

公式

Y=0.299R+0.587G+0.114B

I=0.596R-0.274G-0.322B

Q=0.211R-0.523G+0.312B

外部連結

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