Good reference of color

I can't find a good reference about color-modifying functions (such as contrast, brightness, gamma, ...).

(Is there a more exact term for what I mean?)

Would appreciate a tutorial with example pictures and implementation algorithms.

Thank you!

EDIT:
Platform and language is not so important. I'm interested in pure mathematic algorithms, so please don't point me to graphic APIs ;)

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颜色常见问题：http://www.poynton.com/ColorFAQ.html，有点干燥，但通常很透彻

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只是你问的一部分，但可能有用：http://www.brucelindbloom.com/index.html?Equations.html

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I found Charles Poynton's book, Digital Video and HDTV: Algorithms and Interfaces, hugely helpful in this area. Don't be fooled by the word "video" in the title; it contains all sorts of wonderful information about still images as well. The explanation of gamma is especially good. If you can't find the book at your library, the Poynton's Color FAQ and Gamma FAQ are also somewhat helpful. But the book is really great!

链接地址: http://www.djcxy.com/p/44558.html

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