Table 3 Root mean square errors for results obtained from two extended Kalman filters and 3D motion analysis system results (participant A)
From: Pose estimation by extended Kalman filter using noise covariance matrices based on sensor output
Noise covariance matrix | RMSE [deg] | ||
|---|---|---|---|
Ankle joint | Knee joint | Hip joint | |
NBS | 3.17 | 2.41 | 3.18 |
NBS (Only process noise) | 4.80 | 3.24 | 3.41 |
NBS (Only observation noise) | 4.71 | 2.57 | 3.22 |
CNC | 4.88 | 2.54 | 3.24 |