Research Article
Hybrid Feature Extraction of Pipeline Microstates Based on Φ-OTDR Sensing System
Table 3
Recognition of four microstates with different features.
| Algorithms | Features | PAR and STI-ZCR (%) | PAR and FF (%) | STI-ZCR and FF (%) | PAR, STI-ZCR, and FF (%) |
| C5.0 | 55.24 | 48.92 | 53.15 | 59.68 | SVM | 61.47 | 58.32 | 62.75 | 71.55 | Random forest | 69.23 | 60.78 | 66.22 | 83.51 |
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