Huikang Liang, Haoshen Xie, Hongbin Huang, Weiping Liu. Distributed Optical Fiber Acoustic Sensing Signal Recognition Based on Improved Depth Residual Shrinkage Network[J]. Laser & Optoelectronics Progress, 2024, 61(5): 0506002
- Laser & Optoelectronics Progress
- Vol. 61, Issue 5, 0506002 (2024)
Fig. 1. Comparison of three threshold functions
Fig. 2. Structure of RSBU-NTF based on new threshold function
Fig. 3. Block diagram of DAS perimeter security system
Fig. 4. Time domain signal waveforms of different vibration events. (a) Clap; (b) walk; (c) rolling; (d) noise; (e) climbing; (f) watering
Fig. 5. When RSNR=1 dB, accuracy and loss iteration curves of the two models in the training process. (a) Accuracy; (b) loss iteration curves
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Table 1. Structure-related superparameters of CNN, ResNet, DRSN and DRSN-NTF
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Table 2. Average recognition accuracy of CNN, ResNet, DRSN and DRSN-NTF
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Table 3. Comparison results of test accuracy of DRSN and DRSN-NTF
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Table 4. When RSNR=1 dB, the comparison results of the average F1-score values of DRSN and DRSN-NTF
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