Table 4.

Results of the RMSE and the correlation coefficient r achieved in [29].

		FFNN		LSTM		PS-Net
		RMSE	r	RMSE	r	RMSE	r
	sagittal	1.31	0.999	1.74	0.997	1.62	0.989
hip	frontal	1.25	0.980	1.30	0.965	0.87	0.942
	transverse	2.48	0.864	2.70	0.889	2.12	0.646
	sagittal	1.37	0.997	1.92	0.997	1.69	0.993
knee	frontal	1.55	0.793	1.92	0.681	1.54	0.950
	transverse	1.74	0.957	3.73	0.945	2.48	0.936
	sagittal	1.56	0.983	1.80	0.983	1.35	0.937
ankle	frontal	1.31	0.892	1.35	0.912	1.51	0.965
	transverse	1.76	0.891	2.14	0.920	1.21	0.958