Anterior Chamber Angle Shape Analysis and Classification of Glaucoma in SS-OCT Images

Table 4

Accuracy of fuzzy kNN versus the accuracy of common classification models.

Classifier	Accuracy (%)		Error rate (%)		Sensitivity (%)		Specificity (%)		AUC
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
LDA	81.09	4.55	18.90	4.55	80.94	4.84	81.59	8.16	0.812	0.05
kNN (𝑘=5)	85.80	5.16	14.19	5.16	90.10	5.77	71.82	5.41	0.80	0.04
SVM	83.26	4.74	16.73	4.74	87.78	7.92	68.40	9.29	0.78	0.03
fkNN (𝑘=5)	99.11	0.76	0.89	0.76	99.99	0.24	96.11	0.24	0.98	0.012