Table 4 Metric score of Conv-AE.

From: Unsupervised anomaly detection for earthquake detection on Korea high-speed trains using autoencoder-based deep learning models

Threshold

Metric

PGA value (Unit: G)

 ≥ 0.01

 ≥ 0.03

 ≥ 0.05

 ≥ 0.07

 ≥ 0.1

 ≥ 0.15

2σ

FAR

0.298

MAR

0.113

0.042

0.031

0.009

0.000

0.000

F1

0.812

0.856

0.869

0.876

0.879

0.879

3σ

FAR

0.047

MAR

0.531

0.333

0.136

0.027

0.000

0.000

F1

0.619

0.767

0.902

0.943

0.966

0.958

4σ

FAR

0.027

MAR

0.669

0.607

0.358

0.151

0.000

0.000

F1

0.488

0.552

0.771

0.895

0.987

0.987

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