Table 1.

Dice similarity coefficients (DSCs) of all cone‐beam computed tomography scans segmented using the snake evolution algorithm, MS‐D network, U‐Net and ResNet.

Patient ID	Snake evolution	MS‐D network	U‐Net	ResNet
1	Validation set	Validation set	Validation set	Validation set
2	Validation set	Validation set	Validation set	Validation set
3	0.67	0.89	0.86	0.82
4	0.72	0.85	0.79	0.75
5	0.60	0.75	0.78	0.78
6	0.80	0.85	0.88	0.82
7	0.76	0.94	0.93	0,90
8	0.83	0.92	0.91	0.90
9	0.80	0.89	0.87	0.78
10	0.90	0.92	0.92	0.90
11	0.84	0.92	0.92	0.85
12	0.84	0.78	0.69	0.90
13	0.73	0.73	0.78	0.82
14	0.86	0.83	0.88	0.90
15	0.75	0.91	0.90	0.88
16	0.77	0.91	0.92	0.90
17	0.76	0.86	0.91	0.86
18	0.81	0.88	0.94	0.92
19	0.86	0.90	0.87	0.82
20	0.79	0.91	0.90	0.90
Mean	0.78 ± 0.07	0.87 ± 0.06	0.87 ± 0.07	0.86 ± 0.05