Table 2.

Average dice coefficient values of each bone mask segmented by different U-Net models.

	Metric	Hard palate	Opisthion	Basion	C1	C2	C3	C4	C5	C6	C7
U-Net	DICE	87.60%	85.07%	89.29%	94.82%	96.79%	95.24%	95.26%	94.62%	94.06%	93.78%
	HD	16.03	13.22	8.63	2.16	4.62	2.13	2.26	2.27	2.30	2.76
	MSD	2.70	2.71	2.03	0.49	0.80	0.56	0.57	0.53	0.59	0.64
AU-Net	DICE	87.47%	85.67%	89.69%	95.06%	96.78%	95.30%	95.29%	95.17%	95.21%	94.66%
	HD	13.56	11.45	9.56	2.29	4.55	2.07	2.10	2.24	2.28	2.67
	MSD	2.38	2.62	2.16	0.49	0.80	0.54	0.53	0.53	0.59	0.64
R2U-Net	DICE	87.76%	85.71%	88.94%	94.81%	96.58%	95.00%	95.07%	95.13%	94.89%	94.60%
	HD	15.68	12.55	8.80	2.25	4.60	2.20	2.20	2.25	2.43	2.92
	MSD	2.64	2.67	2.03	0.51	0.82	0.57	0.55	0.56	0.61	0.65
AR2U-Net	DICE	86.65%	85.70%	88.49%	95.18%	96.48%	94.34%	94.55%	94.32%	94.47%	94.14%
	HD	13.43	11.34	9.71	2.52	4.48	2.21	2.34	2.44	2.37	2.91
	MSD	2.37	2.60	2.19	0.54	0.80	0.56	0.58	0.58	0.60	0.65

Bolded numbers represent the largest DICE value, lowest HD and MSD value.