Feature Extraction of Surface Electromyography Using Wavelet Weighted Permutation Entropy for Hand Movement Recognition

Table 2

Recognition accuracies of d3 and undecomposed sEMG for the seven hand movements (×100%).

Hand movement	d3 (PE/WPE)		Undecomposed sEMG(PE/WPE)
	SVM	BPNN	SVM	BPNN
Open	0.64/0.71	0.77/1.00	0.87/0.92	1.00/0.62
Close	0.62/0.87	0.69/1.00	1.00/0.83	0.92/0.62
Point	0.71/0.82	0.85/0.92	0.82/1.00	0.85/0.92
Ok	0.78/0.79	0.38/0.85	0.90/0.80	0.54/0.77
Yeah	0.76/0.92	0.92/0.77	0.69/0.92	0.92/1.00
Tripod	0.92/0.89	0.92/0.92	0.92/0.93	0.62/1.00
Grip	0.88/1.00	0.54/0.69	0.80/0.92	0.38/0.85