Table 1 Effect of rotation
From: Unified frame of reference improves inter-subject variability of seismocardiograms
RMSE [mg] | Normalized RMSE | Correlation | |||||||
|---|---|---|---|---|---|---|---|---|---|
Axis | x | y | z | x | y | z | x | y | z |
Unrotated | 4.91±1.76 | 3.63±1.59 | 7.26±3.40 | 0.43±0.12 | 0.43±0.17 | 0.13±0.05 | 0.39±0.30 | 0.42±0.31 | 0.86±0.13 |
Frame 1 | 3.90±1.56 | 3.62±1.81 | 7.47±3.51 | 0.55±0.19 | 0.45±0.16 | 0.13±0.05 | 0.44±0.33 | 0.52±0.31 | 0.85±0.13 |
Frame 2 | 4.40±1.68 | 4.60±2.49 | 7.27±3.63 | 0.47±0.21 | 0.29±0.13 | 0.14±0.05 | 0.43±0.31 | 0.83±0.14 | 0.85±0.14 |