Table 5.

Performance comparison of vessel segmentation methods (DRIVE images)

Sr. No.	Methods	Average accuracy	Sensitivity	Specificity
1.	2nd human observer	0.9470	0.7763	0.9725
2.	Zana and Klein [32]	0.9377	0.6971	NA
3.	Niemeijer et al. [45]	0.9416	0.7145	0.9696
4.	Xiaoyi and Mojon [27]	0.9212	0.6399	NA
5.	Al-Diri et al. [39]	0.9258	0.6716	NA
6.	Martinez-Perez et al. [46]	0.9181	0.6389	NA
7.	Chaudhuri et al. [25]	0.8773	0.3357	NA
8.	Mendonca and Campilho [9]	0.9452	0.7344	0.9764
9.	Soares et al. [16]	0.9466	0.7285	0.9786
10.	Staal et al. [8]	0.9441	0.7345	NA
11.	Ricci and Perfetti [15]	0.9595	NA	NA
12.	Lam et al. [47]	0.9472	NA	NA
13.	Fraz et al. [33]	0.9430	0.7152	0.9768
14.	Proposed method	0.9422	0.7302	0.9742

NA not available