TABLE II.

Quantitative Measurements of the Proposed Reconnection Method on Gaps From the Automatic Segmentation Results

Datasets	Methods	Gap sizes	Iterations	Sensitivity		Specificity		DC		MCC
				BP	AP	BP	AP	BP	AP	BP	AP
DRIVE	Soares [23]	5 × 5 ≤ λ ≤ 13 × 13	2	0.7097	0.7311	0.9994	0.9988	0.8194	0.8273	0.8261	0.8310
Corneal Nerve Fiber	LADOS [9]	4 × 4 ≤ λ ≤ 36 × 36	2	0.7261	0.7887	0.9974	0.9953	0.7486	0.7520	0.7550	0.7565
DRIVE & IOSTAR Patches	BIMSO [47]	3 × 3 ≤ λ ≤ 14 × 14	2	0.8660	0.9038	0.9998	0.9990	0.9221	0.9364	0.9235	0.9357

BP: Before processing; AP: After processing; SR: Success rate; DC: Dice coefficient; MCC: Matthews correlation coefficient.