Table 2 Performance comparison of schemas (1), (2), (3) and (4) with different k.

From: Comparative analysis of image classification methods for automatic diagnosis of ophthalmic images

Schema

Accuracy

Sensitivity

Specificity

(1)

0.5825 ± 0.0336

0.3123 ± 0.0853

0.8151 ± 0.0227

(2)

0.7844 ± 0.0337

0.5610 ± 0.0585

0.9769 ± 0.0144

(3)

0.8341 ± 0.2788

0.7074 ± 0.0822

0.9433 ± 0.0325

(4)

k = 5

0.6976 ± 0.0241

0.5877 ± 0.0391

0.7829 ± 0.0603

k = 10

0.7133 ± 0.0198

0.5732 ± 0.0347

0.8340 ± 0.0403

k = 20

0.7100 ± 0.0293

0.5315 ± 0.0118

0.8550 ± 0.0359