Table 5.

Ablation studies for the edge module on four datasets (mean ± standard deviation).

Network	Tongue	DRIVE	LUNA	Clinical
	Dice
U-Net	0.9886 ± 0.0066	0.8060 ± 0.0097	0.9834 ± 0.0083	0.9025 ± 0.2010
U-Net + Edge Module	0.9899 ± 0.0205	0.8172 ± 0.0090	0.9828 ± 0.0126	0.9101 ± 0.0637
Backbone	0.9850 ± 0.0153	0.8306 ± 0.0835	0.9814 ± 0.0121	0.9547 ± 0.0375
Backbone + Edge Module	0.9885 ± 0.0139	0.8321 ± 0.0841	0.9852 ± 0.0053	0.9552 ± 0.0274
Baseline	0.9865 ± 0.0156	0.8331 ± 0.0516	0.9852 ± 0.0064	0.9439 ± 0.0540
Baseline + Edge Module (without MAG)	0.9885 ± 0.0219	0.8359 ± 0.0131	0.9857 ± 0.0096	0.9457 ± 0.0303
Baseline + Edge Module (without EFE)	0.9887 ± 0.0163	0.8330 ± 0.0513	0.9852 ± 0.0063	0.9472 ± 0.0307
Baseline + Edge Module (E1)	0.9858 ± 0.0398	0.8206 ± 0.0500	0.9811 ± 0.0098	0.9583 ± 0.0483
Baseline + Edge Module (E1 + E2 + E3)	0.9854 ± 0.0158	0.8296 ± 0.0091	0.9884 ± 0.0087	0.9523 ± 0.0165
Baseline + Edge Module (E1 + E2 + E3 + E4)	0.9842 ± 0.0215	0.8028 ± 0.0144	0.9850 ± 0.0061	0.9600 ± 0.0167
Baseline + Edge Module (E2)	0.9854 ± 0.0145	0.8050 ± 0.0152	0.9844 ± 0.0061	0.9648 ± 0.0194
Baseline + Edge Module (E2 + E3)	0.9878 ± 0.0099	0.8029 ± 0.0288	0.9842 ± 0.0068	0.9640 ± 0.0203
Baseline + Edge Module (E2 + E3 + E4)	0.9858 ± 0.0116	0.7913 ± 0.0140	0.9732 ± 0.0183	0.9602 ± 0.0149
Baseline + Edge Module (E3)	0.9882 ± 0.0092	0.7988 ± 0.0090	0.9791 ± 0.0113	0.9626 ± 0.0170
Baseline + Edge Module (E4)	0.9833 ± 0.0169	0.8029 ± 0.0104	0.9847 ± 0.0053	0.9549 ± 0.0311
Baseline + Edge Module (E3 + E4)	0.9806 ± 0.0231	0.7921 ± 0.0162	0.9805 ± 0.0081	0.9626 ± 0.0359
MEA-Net (E1 + E2)	0.9902 ± 0.0022	0.8377 ± 0.0131	0.9885 ± 0.0057	0.9704 ± 0.0141

Significant values are in bold.