Table 2.

Classification accuracy (unit: %) in stroke subjects when both TD and WPT features were extracted from the EMG data of 46 high-density channels and 10 predefined channels, respectively.

Subject #	46 high-density channels		10 predefined channels
	TD	WPT	TD	WPT
1	94.36	98.74	82.89	86.57
2	91.15	95.75	80.61	82.46
3	94.07	98.56	93.47	89.34
4	87.36	98.00	82.93	87.69
5	96.81	94.22	96.73	98.49
6	95.02	98.61	86.56	86.65
7	99.65	100.0	94.67	96.56
8	99.58	100.0	96.39	99.47
9	93.63	98.96	95.94	94.90
10	97.84	99.78	86.80	96.26
11	99.32	99.78	98.60	97.95
12	100.0	100.0	98.20	98.60
Average	95.73 ± 3.90	98.53 ± 1.82	91.15 ± 6.68	92.92 ± 5.95

TD, the time domain feature set; WPT, the proposed feature set using wavelet packet transform.