颜色HSV空间与RGB空间的相互转换，本程序已经测试可用于彩色图像处理.matlab代码，已经经过测试，很好用。-the matlab demo code of Color space tansformation show it very good.HSV space and RGB color space conversion, the procedures have been tested can be used for color image processing

ARGB和YUV420格式之间的转换，经过了代码级优化的C语言实现。-Color conversion between ARGB & YUV 420 color format videos. Optimized with C code implementation.