Table 2.

Quantitative evaluation of the segmentation for the Dermofit and PH² atlases in terms of accuracy, sensitivity, specificity, Jaccard index, Dice coefficient, F-measure, and Hausdorff distance.

Group	Jaccard index	Dice coefficient	Sensitivity	Specificity	Accuracy	F-measure	Hausdorff distance
Dermofit	0.826 ± 0.08	0.912 ± 0.07	0.919 ± 0.08	0.944 ± 0.06	0.942 ± 0.05	0.912 ± 0.07	0.07 ± 0.02
PH2 data	0.833 ± 0.09	0.914 ± 0.05	0.923 ± 0.08	0.964 ± 0.05	0.946 ± 0.03	0.914 ± 0.05	0.09 ± 0.03