Research Article
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 |
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