Table 3.
Confusion matrix of the GTWED-SVM.
| Predicted class | |||||
|---|---|---|---|---|---|
| Moderate | Slippery | Taut | Hollow | Unsmooth | |
| Actual class | |||||
| Moderate | 719 | 63 | 17 | 1 | 0 |
| Slippery | 74 | 466 | 4 | 7 | 0 |
| Taut | 16 | 3 | 775 | 1 | 5 |
| Hollow | 7 | 12 | 3 | 136 | 2 |
| Unsmooth | 1 | 1 | 16 | 2 | 141 |
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