Old standard use ITU 601
HD format use ITU 709
ITU 709 使用不同的轉換公式
Rec. 601 Y' = 0.299 R' + 0.587 G' + 0.114 B'
Rec. 709 Y' = 0.2126 R' + 0.7152 G' + 0.0722 B'
請參考
http://www.glennchan.info/articles/technical/hd-versus-sd-color-space/hd-versus-sd-color-space.htm
還有Rec. 709 in wikipedia
http://en.wikipedia.org/wiki/Rec._709
http://dcmc.ee.ncku.edu.tw/pdf/course/Reports/Adaptive_Logarithmic_Mapping_For_Displaying_High_Contrast_Scenes.pdf
sRGB 和 Rec. 709 的primaries 一樣
Color 校正討論
http://my3c.com/D5/archiver/?tid-3187.html
Color system ( Color appearance model )
CIEXYZ 1931
CIELAB 1976
Munsell 1930s
CIECAM 2002
CIECAM02 is used in Windows Vista's Windows Color System.
