Hybrid Feature Extraction of Pipeline Microstates Based on Φ-OTDR Sensing System

<div>Hybrid feature distribution of gas pipelines. (a) Hybrid features of gas leakage pipelines. (b) Hybrid features of gas nonleakage pipelines.</div>

Journal of Control Science and Engineering

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Figure 5

Figure 5: Hybrid Feature Extraction of Pipeline Microstates Based on Φ-OTDR Sensing System 