Table 7.
Error (degrees) of IMU joint angles vs. mocap joint angles for the motion profile dataset. F/E refers to flexion/extension of the joint.
| RMSE | Peak Error | |||
|---|---|---|---|---|
| Subject | RKnee F/E | LKnee F/E | RKnee F/E | LKnee F/E |
| 1 | 2.17 | 2.08 | 8.83 | 6.00 |
| 2 | 3.28 | 7.09 | 8.70 | 10.85 |
| 3 | 5.37 | 10.30 | 21.84 | 15.42 |
| 4 | 2.37 | 3.34 | 8.45 | 9.13 |
| 5 | 4.61 | 6.74 | 10.66 | 11.37 |
| 6 | 4.28 | 4.33 | 18.69 | 10.41 |
| 7 | 3.32 | 5.60 | 9.75 | 11.85 |
| 8 | 3.11 | 4.92 | 15.45 | 13.94 |
| 9 | 3.83 | 7.71 | 14.45 | 12.51 |
| 10 | 2.95 | 3.97 | 10.67 | 7.85 |
| 11 | 4.22 | 2.31 | 11.24 | 9.46 |
| 12 | 2.19 | 4.10 | 9.46 | 8.30 |
| Mean | 3.47 | 5.21 | 12.35 | 10.59 |
| Std | 1.01 | 2.40 | 4.34 | 2.66 |