非常好用的rgb彩色图像转为HSI空间图像，用matlab编的，非常不错，值得下载。-Very good image of RGB color image into HSI space, matlab plait, very good, is worth downloading.

自己用IDL语言编写的RGB空间到HSI空间变换程序。(I use IDL language to write RGB space to HSI space transformation program.)