Table 4: The comparison of (Image), C between captured images and theoretical images before and after calibration.

Serial number368 M225 M
Standard chromaticity coordinate
IlluminateD65LEDD65LED
Precalibration (Image)13.7318.5431.5950.96
Postcalibration (Image)1.420.741.761.55
Precalibration 0.05390.05010.15580.0954
Postcalibration 0.00980.01050.01350.0044
Improved ratio81.82%79.04%91.33%95.39%