Skip to main content
. 2021 Aug 31;21(17):5876. doi: 10.3390/s21175876
Test Subject #1
Training Set # Samples Hip Flex–Ext Hip Ad–Ab Hip Int–Ext Hip Average
r RMSE (°) nRMSE r RMSE (°) nRMSE r RMSE (°) nRMSE r RMSE (°) nRMSE
Measured 3943 0.97
± 0.02
3.4
± 1.1
7.3
± 2.4
0.94 ± 0.04 2.0
± 0.6
9.4
± 3.0
0.84 ± 0.08 2.0
± 0.6
11.2
± 3.4
0.92
± 0.04
2.4
± 0.8
9.3
± 2.9
Synthetic 17,255 0.97
± 0.04
0.97
± 0.04
3.7
± 1.7
0.94 ± 0.09 2.2
± 0.7
10.6
± 3.3
0.70 ± 0.15 2.7
± 0.8
15.3
± 4.6
0.87
± 0.09
2.9
± 1.1
11.2
± 3.8
Measured + Synthetic 20,706 0.97
± 0.01
0.97
± 0.01
3.5
± 0.9
0.96 ± 0.02 1.6
± 0.4
7.4
± 1.8
0.87 ± 0.08 2.0
± 0.5
11.1
± 2.8
0.94
± 0.04
2.4
± 0.6
8.7
± 2.2
Training Set # Samples Knee Flex–Ext Knee Ad–Ab Knee Int–Ext Knee Average
r RMSE (°) nRMSE r RMSE (°) nRMSE r RMSE (°) nRMSE r RMSE (°) nRMSE
Measured 3943 0.99
± 0.01
2.2
± 0.7
3.0
± 0.9
0.49 ± 0.20 1.9
± 0.5
14.3 ± 3.6 0.69 ± 0.11 4.6
± 0.9
23.5 ± 4.6 0.72
± 0.10
2.9
± 0.7
13.6
± 30.0
Synthetic 17,255 0.99
± 0.01
2.3
± 0.7
3.1
± 0.9
0.76 ± 0.10 2.2
± 0.6
16.9 ± 4.3 0.85 ± 0.06 2.6
± 0.4
13.3 ± 2.3 0.87
± 0.06
2.4
± 0.6
11.1
± 2.5
Measured + Synthetic 20,706 0.99
± 0.01
1.6
± 0.4
2.2
± 0.6
0.91 ± 0.06 0.9
± 0.3
7.0
± 2.0
0.94 ± 0.04 2.1
± 0.5
10.5 ± 2.7 0.95
± 0.03
1.5
± 0.4
6.6
± 1.8