How to evaluate CCM result

[xuriliuhen]

When I have get CCM result, how can I evalute the CCM result, I mean I use different params for calculating CCM, I process the same image with the different CCM results, how can I evalute which CCM result is best.I have tried to measure the LAB or RGB color space distance, but the result losses is largely not the same suitations with subjectivity opinions.