Strain FBG-Based Sensor for Detecting Fence Intruders Using Machine Learning and Adaptive Thresholding

This paper demonstrates an intruder detection system using a strain-based optical fiber Bragg grating (FBG), machine learning (ML), and adaptive thresholding to classify the intruder as no intruder, intruder, or wind at low levels of signal-to-noise ratio. We demonstrate the intruder detection syste...

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Veröffentlicht in:Sensors (Basel, Switzerland) Switzerland), 2023-05, Vol.23 (11), p.5015
Hauptverfasser: Elleathy, Ahmad, Alhumaidan, Faris, Alqahtani, Mohammed, Almaiman, Ahmed S, Ragheb, Amr M, Ibrahim, Ahmed B, Ali, Jameel, Esmail, Maged A, Alshebeili, Saleh A
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Sprache:eng
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Zusammenfassung:This paper demonstrates an intruder detection system using a strain-based optical fiber Bragg grating (FBG), machine learning (ML), and adaptive thresholding to classify the intruder as no intruder, intruder, or wind at low levels of signal-to-noise ratio. We demonstrate the intruder detection system using a portion of a real fence manufactured and installed around one of the engineering college's gardens at King Saud University. The experimental results show that adaptive thresholding can help improve the performance of machine learning classifiers, such as linear discriminant analysis (LDA) or logistic regression algorithms in identifying an intruder's existence at low optical signal-to-noise ratio (OSNR) scenarios. The proposed method can achieve an average accuracy of 99.17% when the OSNR level is
ISSN:1424-8220
1424-8220
DOI:10.3390/s23115015