Table 1. Experimental results of 5 different networks.

The table shows the average of the four indicators. Ours-no-cem means to remove the context extraction module in our proposed method.

Model	DSC	DSC(std)	AUC	F1-score	JSC
SegNet	0.7211	0.08	0.7509	0.7673	0.5693
Deeplabv3	0.7563	0.13	0.8246	0.7315	0.6383
U-Net	0.7806	0.06	0.8845	0.7821	0.6792
Ours-no-cem	0.8009	0.05	0.8513	0.8455	0.7738
Ours	0.8768	0.02	0.9330	0.8791	0.7924