Miao YU, Yutong HE, Tianying CHANG, Hongliang CUI, Suihhu DANG, Liangping XIA, Liming LIU, Zichuan YI, Xinjian PAN, Qingguo GAO. Distributed Fiber Optic Acoustic Sensing System Based on Fading Mask Autoencoder and Application in Water Navigation Security Events Identification[J]. Acta Photonica Sinica, 2025, 54(1): 0106002
- Acta Photonica Sinica
- Vol. 54, Issue 1, 0106002 (2025)
Fig. 1. DAS system structure and system physical diagram
Fig. 2. The DAS system acquisition contains the fading signal
Fig. 3. Single-time differential result of amplitude information
Fig. 4. Grubbs criteria to judge the fading position information
Fig. 5. Fading mask strategy flow of FMAE
Fig. 6. FMAE model structure
Fig. 7. Simulation experiment of water navigation security event
Fig. 8. Data visualization of the four types of ship events in waters
Fig. 9. Mean comparison of ten cross-validation training results for two models：FMAE and MAE
Fig. 10. Comparison of training results for the four models，FMAE/ViT/SENet/ResNet
Fig. 11. Confusion matrix of the four models
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Table 1. Data sets used for the four types of shipping events in waters
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Table 2. Comparison of performance measures between FMAE and MAE models
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Table 3. Performance indicators of the four models，FMAE / ViT / SENet / ResNet
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Table 4. Inference time of four models，FMAE / ViT / SENet / ResNet
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