Yin Zhang, Ting Hu, Youxing Li, Jian Wang, Libo Yuan. Pattern Recognition of Phase-Sensitive Optical Time-Domain Reflectometer Based on Conditional Generative Adversarial Network Data Augmentation[J]. Acta Optica Sinica, 2024, 44(1): 0106026
- Acta Optica Sinica
- Vol. 44, Issue 1, 0106026 (2024)
Fig. 1. Signal collection in Φ-OTDR system
Fig. 2. Model architecture of generative adversarial network (GAN)
Fig. 3. Model architecture of conditional generative adversarial network (CGAN)
Fig. 4. Realistic view of experimental plant site
Fig. 5. Network architecture of generator
Fig. 6. Network architecture of discriminator
Fig. 7. Flow chart of CGAN training
Fig. 8. Loss diagrams of generators and discriminators
Fig. 9. Display of generating a signal (200 rounds at a time)
Fig. 10. Comparison of generated and real signals. (a) Vehicles passing by; (b) ambient noise; (c) pedestrians passing by; (d) artificial destruction
Fig. 11. Comparison of histograms of raw and generated data. (a) Raw data; (b) generated data
Fig. 12. Comparison of detection results between raw and generated data
Fig. 13. Comparison of confusion matrix plots between raw and generated data
Fig. 14. Test results of real data
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Table 1. Comparison of detection results of different methods
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