Table 4.

Epidermis thickness (ET) comparing the results of the proposed method with the ground truth (GT).

Patients	GT-based ET (μm)	Proposed-method-based ET (μm)	RMSE (μm)	MAE (μm)
Patient 01	56.06 ± 2.05	65.02 ± 0.76	9.13	8.95
Patient 02	49.20 ± 1.50	58.19 ± 1.77	9.28	8.98
Patient 03	78.90 ± 3.83	62.50 ± 2.75	8.90	8.68
Patient 04	82.47 ± 2.63	87.00 ± 1.90	5.75	4.62
Patient 05	71.30 ± 3.83	83.65 ± 3.02	13.29	12.9
Patient 06	71.43 ± 2.40	77.90 ± 1.99	7.30	6.61
Patient 07	92.12 ± 3.37	106.00 ± 1.20	14.40	13.87
Patient 08	76.12 ± 1.67	85.42 ± 0.76	9.70	9.29
Patient 09	85.16± 2.94	98.69 ± 1.18	14.10	13.52
Mean total	73.60 ± 2.69	80.50 ± 1.70	10.20	9.76