Table 4 Yellowness indices and L*, a*, b* statistics for maps. Mean values (and STD)
From: Spectral information to get beyond color in the analysis of water-soluble varnish degradation
E313 | SYI1 | SYI2 | L* | a* | b* | |
|---|---|---|---|---|---|---|
All before | 50.12 (16.93) | 16.55 (5.50) | 2.11 (0.52) | 65.57 (5.81) | 4.67 (5.29) | 19.96 (5.65) |
All after | 45.70 (19.78) | 15.31 (4.70) | 2.03 (0.57) | 66.59 (6.48) | 2.32 (5.46) | 20.69 (8.18) |