Table 12.

Comparison of Segmentation Error (Algorithm-Operator Difference) Between the Proposed Automatic Segmentation and the Existing Methods Using Their Segmented Interfaces

Error in (μm)	Proposed Automatic Segmentation	Proposed Automatic Segmentation With Averaging	LaRocca et al.18	Zhang et al.22	Jahromi et al.28
EP error	2.84 × 1.5 = 4.26	2.43 × 1.5 = 3.65	0.60 × 3.4 = 2.04	0.44 × 3.4 = 1.50	0.33 × 13.3 = 4.39
BW error	2.47 × 1.5 = 3.71	2.15 × 1.5 = 3.23	0.90 × 3.4 = 3.06	0.72 × 3.4 = 2.45	0.42 × 13.3 = 5.59
EN error	3.78 × 1.5 = 5.67	3.59 × 1.5 = 5.39	1.7 × 3.4 = 5.78	1.59 × 3.4 = 5.41	0.80 × 13.3 = 10.64