看看：
http://www.fer.unizg.hr/ipg/resources/ color_constancy

这些算法是对Retinex算法的修改（速度提升），尽管作者给了他们有趣的名字：）

These algorithms are modifications of the Retinex algorithm (with speed improvement) although the author gave them funny names :)

有一个完整的源代码（C ++，但编写得非常好）。

There is a full source code (C++, but it is written very nicely).