基于Retinex的MSRCR算法的C语言实现。其中的高斯平滑采用了与尺度无关的快速算法，每个点的运算只要6MADD。程序改自GRetinex，一个GIMP插件,C implementation of Retinex, i.e. MSRCR algorith. In the implementation a fast algorithm was employed for Gaussian smoothing that only 6 MADD for each operating point ar