Page 92 - Computational Colour Science Using MATLAB

IMPLEMENTATIONS AND EXAMPLES 79
Table 5.2 Colour-difference values for the pairs from Table 5.1 computed for the CIELAB,
CMC(1:1), CIE94 and CIEDE2000 equations. Note that all the parametric values in
CIEDE2000 were set to unity

Pair CIELAB CMC(1:1) CIE94 CIEDE2000
1 3.1819 1.4282 1.3910 1.2644
2 2.2134 1.2549 1.2481 1.2630
3 1.5390 1.7684 1.2980 1.8731
4 4.6063 2.0258 1.8204 1.8645
5 6.5847 3.0870 2.5561 2.0373
6 3.8864 1.7490 1.4249 1.4146
7 1.5051 1.9009 1.4194 1.4440
8 2.3238 1.7026 2.3226 1.5381
9 0.9441 1.8032 0.9385 0.6378
10 1.3191 2.4493 1.3065 0.9082

Table 5.3 Colour-difference values and intermediate values for the pairs from Table 5.1
computed for the CIEDE2000 equation. Note that all the parametric values in CIEDE2000
were set to unity

Pair G T S L S C S H R T DE 00
1 0.0017 1.3010 1.1427 3.2946 1.9951 0.0000 1.2644
2 0.0490 0.9402 1.1831 2.4549 1.4560 0.0000 1.2630
3 0.4966 0.6952 1.1586 1.3092 1.0717 70.0032 1.8731
4 0.0063 1.0168 1.2148 2.9105 1.6476 0.0000 1.8645
5 0.0026 0.3636 1.4014 3.1597 1.2617 71.2537 2.0373
6 0.0013 0.9239 1.1943 3.3888 1.7357 0.0000 1.4146
7 0.4999 1.1546 1.6110 1.1329 1.0511 0.0000 1.4440
8 0.5000 1.3916 1.5930 1.0620 1.0288 0.0000 1.5381
9 0.4999 0.9556 1.6517 1.1057 1.0337 70.0004 0.6378
10 0.5000 0.7827 1.7246 1.0383 1.0100 0.0000 0.9082