中文说明：MATLAB中会遇到很多种颜色空间，本程序描述了RGB空间 与 HSI 空间的相互转换，给出RGB到HSI的转换方程和HSI到RGB的转换方程。
English Description：
MATLAB will encounter lots of color space, this program describes the conversion between the RGB space and HSI space given the conversion of RGB to HSI HSI to RGB conversion equation and equation.