Methodology Proposal of EMG Hand Movement Classification Based on Cross Recurrence Plots

Table 2

Sensitivity, specificity, and accuracy metrics for CRQA recurrence rate for each SEMG movement performed in this experiment.

Recurrence	Initial	Pronotion	Supination	Extension	Flexion	Cubital	Radial	Picking	Closed	Open
Sensitivity (SE)	0.9064	0.9364	0.909	0.9426	0.9786	0.8611	0.8073	0.7749	0.8949	0.952
SE left hand	0.8713	0.9113	0.8857	0.9252	0.977	0.8431	0.7932	0.7512	0.866	0.9362
SE right hand	0.9416	0.9616	0.9324	0.9601	0.9802	0.8732	0.8215	0.7987	0.9238	0.9678
Specificity (SP)	0.8285	0.861	0.8389	0.862	0.8778	0.8319	0.7834	0.742	0.842	0.872
SP left hand	0.793	0.8512	0.8339	0.8554	0.8713	0.8183	0.7664	0.7228	0.8183	0.8616
SP right hand	0.864	0.8708	0.844	0.8687	0.8843	0.8656	0.8004	0.7613	0.8657	0.8824
Accuracy (ACC)	0.9152	0.8997	0.8773	0.9442	0.9372	0.8745	0.8251	0.8126	0.9076	0.9397
ACC left hand	0.8874	0.8664	0.855	0.9196	0.9312	0.8718	0.8112	0.8006	0.8771	0.924
ACC right hand	0.9431	0.933	0.8996	0.9688	0.9433	0.8772	0.8391	0.8246	0.9382	0.9555