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Table 3 CIE Lab values of the tested coatings and results of their sparkle (S) and graininess (G) psychophysical assessment using real samples and their photographs/video

From: Assessment of sparkle and graininess in effect coatings using a high-resolution gonioreflectometer and psychophysical studies

No ID L a b \(S_\mathrm{{real}}\) \(S_\mathrm{{photo}}\) \(G_\mathrm{{real}}\) \(G_\mathrm{{photo}}\) \(S_\mathrm{{video}}\)
01 DPW1 86.5 − 2.9 − 6.8 7.7 7.7 6.3 9.5 6.0
02 DPB1 20.4 − 12.6 4.2 9.6 8.3 9.2 9.1 6.5
03 DPW2 80.8 − 3.2 − 7.0 5.9 6.3 4.2 4.7 4.4
04 DPB2 28.7 − 6.7 − 6.0 8.0 7.6 7.0 7.5 6.6
05 DPW3 84.4 − 3.1 − 7.5 3.9 5.6 2.7 3.3 3.8
06 DPB3 23.4 − 4.3 − 10.0 6.4 6.8 4.5 6.0 6.3
07 DWX1 48.4 − 12.1 − 9.1 8.3 9.5 7.1 7.5 9.9
08 DSX1 42.3 − 11.1 − 5.7 8.0 8.8 6.6 7.5 8.5
09 DSX2 48.0 − 11.0 − 5.3 8.0 9.3 7.2 8.3 8.9
10 DWX2 50.8 − 6.6 − 2.9 7.8 7.8 6.4 6.8 7.9
11 DSB1 11.7 − 1.7 − 2.1 3.6 3.3 2.9 4.7 3.3
12 DSB2 19.2 − 3.5 − 3.7 5.6 5.3 4.6 7.2 4.8
13 ASX 55.0 − 3.0 − 0.8 6.2 4.2 6.8 7.5 6.0
14 AWX 59.5 − 2.9 − 4.6 5.7 3.5 5.9 6.6 6.4
15 MSX 51.7 − 3.6 − 5.4 4.0 4.5 5.9 5.7 6.0
16 MWX 50.5 − 3.1 − 7.8 3.6 3.2 4.6 4.7 5.5
17 DPB4 16.4 − 0.7 − 1.7 4.3 1.9 3.5 5.5 2.9
18 DPB5 19.5 − 3.5 − 2.9 6.0 3.0 5.5 6.0 3.8
19 UXX1 53.2 3.0 44.5 3.8 4.6 2.9 5.6 7.9
20 UXX2 37.8 17.8 33.6 3.5 3.5 3.1 4.8 7.5
21 UXX3 24.6 35.6 24.5 3.2 2.7 2.4 4.4 6.3
22 UXX4 24.5 44.3 28.6 2.9 2.8 1.6 2.8 5.5
23 DSB4 30.5 − 7.4 − 3.4 6.5 7.0 7.6 7.5 6.9
24 DSB3 15.9 − 3.4 − 2.9 6.1 4.9 5.7 5.3 5.2
25 CWB1 60.7 − 1.0 0.4 4.4 4.8 2.9 5.1 7.1
26 MWB1 8.7 − 0.6 1.6 2.0 0.9 1.2 2.4 2.1
27 MWB2 51.8 − 1.3 − 9.4 4.2 4.0 2.0 3.2 6.2
28 MWB3 22.1 39.7 24.8 2.6 1.1 0.9 0.4 3.2
29 MXB 8.9 − 0.4 − 0.4 6.4 1.1 2.8 3.0 4.1
30 MXW 90.9 − 2.6 − 6.7 2.2 0.3 0.3 0.7 1.5
31 MSB 37.0 1.7 1.4 7.2 1.8 8.4 4.7 4.9
32 VXX1 49.2 − 1.8 − 0.4 0.9 1.9 0.5 1.4 4.6
33 AXX1 68.5 − 2.5 − 1.3 1.1 2.5 1.3 2.2 5.2
34 AXX2 58.3 − 2.7 − 0.6 2.9 2.8 2.2 4.7 5.6
35 AXX3 53.2 − 10.2 − 11.2 2.7 3.3 2.1 4.6 6.5
36 AXX4 65.2 − 8.3 − 7.1 1.2 2.6 0.6 2.6 6.2
37 CWB2 26.7 0.5 5.1 4.2 4.3 3.5 4.9 6.8
38 MWB4 16.4 − 1.2 − 11.0 1.7 2.2 1.1 1.6 5.6