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经过辛苦查找，发现的好网站，分享一下：

Useful Color Equations
http://www.brucelindbloom.com/index.html?Equations.html

网页http://www.brucelindbloom.com/index.html?Equations.html

收集了绝大部分的颜色空间转换的公式

Useful Color Equations

The following table contains links to mathematical equations for converting among various CIE color representations. An implementation of these may be found in myCIE Color Calculator. You can see from this table that some color conversions may be accomplished by single steps, while others may require several intermediate steps to reach the final goal.

Other Assorted Equations

? Color differences

• Delta E (CIE 1976)
• Delta E (CIE 1994)
• Delta E (CMC)

? Convert from the correlated color temperature of a CIE D-illuminant to the chromaticity of that D-illuminant.

? Chromatic adaptation.

? Computing RGB-to-XYZ and XYZ-to-RGB matrices.

? Murray-Davies dot gain equation.

? Finding the best gamma from a data set.

? Spectral power distribution of a blackbody radiator.

颜色空间转换公式

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原文地址：http://blog.csdn.net/lxw907304340/article/details/46437953