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All undertaken classifiers’ sensitivity values for bearing fault classification.
| Method | Sensitivity | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Class | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Grayscale image + CNN | 1 | 0.84 | 0.88 | 0.9 | 1 | 0.86 | 1 | 1 | 0.96 | 1 |
| CWT scalogram + CNN | 1 | 0.9 | 0.9 | 0.9 | 1 | 1 | 1 | 1 | 1 | 1 |
| EEMD scalogram + CNN | 1 | 0.92 | 0.9 | 0.9 | 1 | 1 | 1 | 1 | 1 | 1 |
| CEEMD scalogram + CNN | 1 | 0.92 | 0.92 | 0.9 | 1 | 1 | 1 | 1 | 1 | 1 |
| NEEEMD scalogram + CNN | 1 | 0.96 | 0.94 | 0.9 | 1 | 1 | 1 | 1 | 1 | 1 |
