Table 13.

Comparison of Segmentation Error (Algorithm-Operator Difference) Between the Automatic Segmentation and Eichel's Method27

Error in (μm)	Proposed Automatic Segmentation	Proposed Automatic Segmentation With Averaging	Eichel et al.27
EP error	2.84 × 1.5 = 4.26	2.43 × 1.5 = 3.65	3.92
BS error	4.66 × 1.5 = 6.99	4.35 × 1.5 = 6.53	—
BW error	2.47 × 1.5 = 3.71	2.15 × 1.5 = 3.23	4.59
ST error	3.61 × 1.5 = 5.42	3.29 × 1.5 = 4.94	2.86
DM error	5.79 × 1.5 = 8.69	4.91 × 1.5 = 7.37	5.94
EN error	3.78 × 1.5 = 5.67	3.59 × 1.5 = 5.39	6.52
Mean error	3.83 × 1.5 = 5.75	3.44 × 1.5 = 5.16	4.77