YIQ,是NTSC(National Television Standards Committee)電視系統標準。Y是提供黑白電視及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,色彩從紫色到黃綠色。
此條目需要擴充。 (2012年1月31日) |
此條目可參照英語維基百科相應條目來擴充。 |
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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