Table 2. Comparison with the state-of-the-art methods. Dice similarity coefficients (DSC) metric was used for evaluating the optic cup and disc, while the mean absolute error (MAE) was used for evaluating the vertical cup-to-disc ratio (vCDR).

Method	Disc rank	Cup rank	vCDR MAE rank	Disc DSC(%)	Cup DSC(%)	MAE
CUHKMED	1	2	2	96.02	88.26	0.0450
Masker	7	1	1	94.64	88.37	0.0414
Ours	-	-	-	97.76	95.58	0.0136