Table 4.

The root mean square errors (RMSEs) of the temporal convolutional neural network model for each external marker (EM).

Direction	RMSEs for all EMs	RMSEs for EMs 1 and 2	RMSEs for EMs 1 and 3	RMSEs for EMs 2 and 3	RMSEs for EM 1	RMSEs for EM 2	RMSEs for EM 3
Anterior-posterior direction	0.28	0.28	0.28	0.28	0.29	0.29	0.29
Left-right direction	0.25	0.26	0.26	0.25	0.27	0.26	0.26
Superior-inferior direction	0.49	0.51	0.50	0.50	0.52	0.53	0.53
3D space	0.67	0.69	0.68	0.68	0.71	0.72	0.72