说明：将灰度图像装换成rgb图像的matlab实现

rgb-to-gray gray-to-RGB-image gray2rgb-matlab matlab-gray2rgb gray2rgb

说明：Convert color images between RGB， YCbCr， HSV， HSL， CIE Lab， CIE Luv， CIE Lch， and more.

CIE-matlab gray2rgb-matlab between HSV-HSL RGB-YCbCr