sEMG Signal Acquisition Strategy towards Hand FES Control

Table 3

Analysis of the combinations of selected channels and features with best performance during training, for each window length.

Window length (s)	Channels	Features	Classifier accuracy (%)
0.02	1–3	WL, SD	80.69
0.05	1–3	WL, SD	88.23
0.10	1–3	WL, SD, V	91.56
0.30	1–3, 7-8	MAV, WL, SD, V	93.86
0.50	1–3, 7	MAV, WL, SD	95.83
1.00	1–4, 7-8	MAV, WL, SD, V, IAV	94.68
3.00	1–3, 7-8	MAV, WL, SD, IAV	95.14

The bold rows correspond to classification accuracies above 95%.