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. 2021 Aug 30;21(17):5830. doi: 10.3390/s21175830

Figure 8.

Figure 8

Anomaly detection model on compact feature space mapping resulting from DCC model by means OC-SVM: (a) initial anomaly model representation with compact features; (b) evaluation of the fault scenario F2; the compact representation of the normal class leads to a higher separation between the anomaly class, which results in a greater number of correctly classified samples, compared to traditional DAE.