Table 4 Comparison on decoding performance of Kalman smoother and the other methods
From: Decoding hand movement velocity from electroencephalogram signals during a drawing task
| Â | Lag = 0 ms | Lag = 200 ms | Lag = 400 ms | Lag = 600 ms |
|---|---|---|---|---|
Kalman smoother | X-D: p = 0.0163 | X-D: p = 0.0163 | X-D: p = 0.0209 | X-D: p = 0.0163 |
vs. Kalman filter | Y-D: p = 0.0257 | Y-D: p = 0.0257 | Y-D: p = 0.0120 | Y-D: p = 0.0314 |
Kalman smoother | X-D: p = 0.0061 | X-D: p = 0.0037 | X-D: p = 0.0024 | X-D: p = 0.0027 |
vs. Linear filter | Y-D: p = 0.0122 | Y-D: p = 0.0074 | Y-D: p = 0.0098 | Y-D: p = 0.0163 |
Kalman smoother | X-D: p = 0.0107 | X-D: p = 0.0096 | X-D: p = 0.0133 | X-D: p = 0.0258 |
vs. Kalman filter | Y-D: p = 0.0542 | Y-D: p = 0.0544 | Y-D: p = 0.0791 | Y-D: p = 0.1230 |
Kalman smoother | X-D: p = 0.0022 | X-D: p = 0.0018 | X-D: p = 0.0012 | X-D: p = 0.0007 |
vs. Linear filter | Y-D: p = 0.0034 | Y-D: p = 0.0017 | Y-D: p = 0.0013 | Y-D: p = 0.0011 |