Research Article

A Hybrid Unsupervised Approach for Retinal Vessel Segmentation

Table 4

Average efficiency scores on the HRF dataset (normal and diabetic images).

ImgNormalDiabetic
AccSnSepAUCMCCCALAccSnSepAUCMCCCAL

10.9580.7010.9880.8440.7000.5740.9630.7680.9770.8450.6460.742
20.9650.8060.9830.8940.7870.6710.9580.7550.9740.8430.6710.672
30.9540.7130.9830.8480.7410.6320.9490.7750.9610.8600.6310.563
40.9570.8100.9750.8820.7610.7190.9510.7580.9660.8360.6330.531
50.9680.7650.9880.8760.7950.7540.9640.7250.9830.8230.7090.609
60.9600.8320.9780.8880.7740.7590.9500.5640.9880.7280.6190.394
70.9680.8170.9880.8780.7930.7410.9570.7370.9800.8340.7020.688
80.9640.8060.9850.8790.7880.7290.9520.7760.9710.8410.6800.688
90.9560.8080.9680.8880.6810.6320.9450.7580.9580.8580.6340.551
100.9590.7650.9790.8630.7300.5610.9510.6640.9810.8090.6840.598
110.9700.8390.9900.8860.8060.7530.9530.7000.9830.8080.7130.611
120.9670.8520.9860.8950.8160.7880.9550.7010.9760.8130.6660.579
130.9660.8370.9820.8940.7780.7110.9600.7530.9810.8290.7040.645
140.9660.8350.9810.8900.7610.6990.9440.7260.9640.8290.6450.622
150.9700.8270.9820.9050.7080.7680.9530.7300.9710.8340.6480.547
Avg0.9630.8010.9820.8810.7610.6990.9540.7260.9740.8260.6660.603