Table 3 Onset/offset bias averaged over the simulated test set for each value of SNR and for each muscle activity detector
From: Long short-term memory (LSTM) recurrent neural network for muscle activity detection
SNR | Onset bias (ms) | Offset bias (ms) | ||||
|---|---|---|---|---|---|---|
| Â | TKEO | Stat detector | LSTM-MAD | TKEO | Stat detector | LSTM-MAD |
30 dB | − 4.5 ± 0.8 | 1.1 ± 1.4 | 0.8 ± 0.2 | 7.8 ± 1.0 | − 10.7 ± 1.6 | 0.6 ± 0.3 |
26 dB | − 2.3 ± 0.73 | 10.6 ± 2.3 | − 0.2 ± 0.4 | 3.2 ± 1.0 | − 20.6 ± 2.3 | 0.1 ± 0.4 |
23 dB | 0.2 ± 1.1 | 23.2 ± 2.9 | − 0.72 ± 0.7 | 0.7 ± 1.1 | − 29.8 ± 2.6 | − 0.6 ± 0.6 |
20 dB | 2.8 ± 1.3 | 36.4 ± 3.4 | 1.1 ± 0.9 | − 4.8 ± 1.3 | − 46.4 ± 3.5 | − 2.2 ± 0.9 |
16 dB | 15.4 ± 2.1 | 67.1 ± 4.7 | 2.9 ± 1.5 | − 13.9 ± 1.9 | − 76.5 ± 4.5 | 2.5 ± 1.7 |
13 dB | 21.0 ± 2.6 | 105.0 ± 5.6 | 1.5 ± 2.0 | − 20.5 ± 2.7 | − 109.9 ± 5.9 | − 0.4 ± 1.9 |
10 dB | 33.0 ± 3.2 | 129.0 ± 7.5 | 3.4 ± 2.6 | − 35.1 ± 3.3 | − 139.8 ± 7.88 | − 2.8 ± 2.2 |
6 dB | 59.1 ± 4.2 | 200.3 ± 21.8 | 6.6 ± 3.3 | − 55.6 ± 4.4 | − 202.2 ± 21.8 | 4.5 ± 3.3 |
3 dB | 86.3 ± 5.6 | 171.3 ± 19.3 | 20.8 ± 4.4 | − 83.9 ± 5.3 | − 196.6 ± 15.3 | − 1.9 ± 3.5 |