This function Compute the CIEDE2000 color-difference between the sample between a reference with CIELab coordinates Labsample and a standard with CIELab coordinates Labstd The function works on multiple standard and sample vectors too provided Lab

可以实现CIEDE2000,CIEDE94,CIEDE1976,CMC,LAB值计算-compute CIEDE2000,CIEDE94,CIEDE1976,CMC,LAB