Table 1.

Performance data of each model on each indicator.

	acc	m_iou	Dice	Sensitivity	Specificity	e_measure	MAE
Unet	0.9511	0.7390	0.8427	0.7943	0.9695	0.9115	0.0490
SegNet	0.9512	0.7719	0.8710	0.8332	0.9723	0.9337	0.0489
Attention-Unet	0.9566	0.7951	0.8857	0.8571	0.9759	0.9237	0.0435
Inf-Net	0.9604	0.8123	0.8963	0.8909	0.9744	0.9415	0.0411
GT-U-Net	0.9619	0.8212	0.9017	0.9067	0.9754	0.9558	0.0382
Teeth U-Net	0.9655	0.8318	0.9080	0.9015	0.9805	0.9579	0.0353
Ours	0.9742	0.8761	0.9338	0.9426	0.9821	0.9712	0.0259