Table 4.
Performance Analysis of the Exercise Classifier.
| Subject 1 | Subject 2 | Subject 3 | Subject 4 | Subject 5 | Subject 6 | Subject 7 | Subject 8 | ||
|---|---|---|---|---|---|---|---|---|---|
| Duration of activity (seconds) | Experiment | 4800 | 2400 | 7199 | 4800 | 2400 | 2453 | 2160 | 2112 |
| Continuous light to moderate intensity aerobic session | 2100 | 960 | 4319 | 3360 | 960 | 1376 | 815 | 1092 | |
| Circuit vigorous to maximum intensity anaerobic session | 2700 | 1440 | 2880 | 1440 | 1440 | 1077 | 1345 | 1020 | |
| Raw training data | 3600 | 1800 | 5399 | 3600 | 1800 | 1840 | 1620 | 1584 | |
| Testing data | 1200 | 600 | 1800 | 1200 | 600 | 613 | 540 | 528 | |
| Optimized training data | 294 | 138 | 305 | 105 | 99 | 176 | 76 | 85 | |
| Correct classification | 1174 | 591 | 1784 | 1191 | 593 | 606 | 535 | 523 | |
| Wrong classification | 26 | 9 | 16 | 9 | 7 | 7 | 5 | 5 | |
| Sensitivity (%) | 97.8 | 98.5 | 99.1 | 99.3 | 98.8 | 98.9 | 99.1 | 99.1 |