Laser & Optoelectronics Progress, Volume. 61, Issue 5, 0506002(2024)
Distributed Optical Fiber Acoustic Sensing Signal Recognition Based on Improved Depth Residual Shrinkage Network
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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
Table 1. Structure-related superparameters of CNN, ResNet, DRSN and DRSN-NTF
View tableTable 1. Structure-related superparameters of CNN, ResNet, DRSN and DRSN-NTF
CNN ResNet DRSN DRSN-NTF Output size Input Input Input Input 1×8000×1 Conv（4，3，/2） Conv（4，3，/2） Conv（4，3，/2） Conv（4，3，/2） 4×4000×1 CBU（4，3，/2） RBU（4，3，/2） RSBU（4，3，/2） RSBU-NTF（4，3，/2） 4×2000×1 CBU（4，3） RBU（4，3） RSBU（4，3） RSBU-NTF（4，3） 4×2000×1 CBU（8，3，/2） RBU（8，3，/2） RSBU（8，3，/2） RSBU-NTF（8，3，/2） 8×1000×1 CBU（8，3） RBU（8，3） RSBU（8，3） RSBU-NTF（8，3） 8×1000×1 CBU（16，3，/2） RBU（16，3，/2） RSBU（16，3，/2） RSBU-NTF（16，3，/2） 16×500×1 CBU（16，3） RBU（16，3） RSBU（16，3） RSBU-NTF（16，3） 16×500×1 BN，ReLU，GAP BN，ReLU，GAP BN，ReLU，GAP BN，ReLU，GAP 16×1×1 FC FC FC FC 6×1×1
Table 2. Average recognition accuracy of CNN, ResNet, DRSN and DRSN-NTF
View tableTable 2. Average recognition accuracy of CNN, ResNet, DRSN and DRSN-NTF
Network Average training accuracy /% Average test accuracy /% Average training time /s DRSN-NTF 97.99 92.82 238 DRSN 97.38 91.77 220 ResNet 95.91 89.30 154 CNN 91.49 86.16 150
Table 3. Comparison results of test accuracy of DRSN and DRSN-NTF
View tableTable 3. Comparison results of test accuracy of DRSN and DRSN-NTF
Signal-to-noise ratio /dB Test accuracy of two networks /% Difference between DRSN and DRSN-NTF /percentage point DRSN DRSN-NTF 5 94.73 95.35 0.62 ≤0.90 4 93.55 94.45 0.90 3 93.33 94.08 0.75 2 91.47 92.80 1.33 ≥1.27 1 90.18 91.63 1.45 0 87.35 88.62 1.27 Average value 91.77 92.82 1.05
Table 4. When RSNR=1 dB, the comparison results of the average F1-score values of DRSN and DRSN-NTF
View tableTable 4. When RSNR=1 dB, the comparison results of the average F1-score values of DRSN and DRSN-NTF
Label Vibration event Average F1-score value DRSN DRSN-NTF 1 Clap 0.98 0.98 2 Walk 0.94 0.95 3 Rolling 0.87 0.89 4 Noise 0.99 0.99 5 Climbing 0.79 0.83 6 Watering 0.84 0.86
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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
Paper Information
Category: Fiber Optics and Optical Communications
Received: Mar. 17, 2023
Accepted: May. 10, 2024
Published Online: Feb. 29, 2024
The Author Email: Weiping Liu (wpl@jnu.edu.cn)
CSTR:32186.14.LOP230884
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