function [h,s,v] = rgb2hsv(r,g,b) %RGB2HSV Convert red-green-blue colors to hue-saturation-value. %   H = RGB2HSV(M) converts an RGB color map to an HSV color map. %   Each map is a matrix with any number of rows, exactly three

With this C++ .h file you can convert from a decimal to a fraction number

读取matlab数据文件（.mat）一个库。它可以把.mat文件转换成C/C++结构体。很实用。-This is a library for reading mat file of matlab.It can convert the data of .mat file into c/c++ structure. It is usefull , and very easy to use.

Color HSV image Edge detection based on Histogram Equalization Convert The RGB image to HSV image Separate the HSV to H,S,V component Preserve the H,S component Perform edge detection on V of the image-Color HSV image Edge detection based on His