CNN-based detection of red palm weevil using optical-fiber-distributed acoustic sensing

Islam Ashry; Yuan Mao; Biwei Wang; Mohammed Sait; Yujian Guo; Abdulmoneim Al-Shawaf; Tien Khee Ng; Boon S. Ooi

doi:10.1117/12.2609308

5 March 2022 CNN-based detection of red palm weevil using optical-fiber-distributed acoustic sensing

Islam Ashry, Yuan Mao, Biwei Wang, Mohammed Sait, Yujian Guo, Abdulmoneim Al-Shawaf, Tien Khee Ng, Boon S. Ooi

Author Affiliations +

Proceedings Volume 12008, Photonic Instrumentation Engineering IX; 120080U (2022) https://doi.org/10.1117/12.2609308
Event: SPIE OPTO, 2022, San Francisco, California, United States

Conference Poster

Abstract

Red palm weevil (RPW) is a harmful pest that has wiped out many palm plantations worldwide. Early detection of RPW is difficult, especially on large plantations. Here, we report on combining fiber–optic distributed acoustic sensing (DAS) and machine learning to detect weevil larvae less than three weeks old, in a controlled environment. In particular, we use the temporal and spectral data provided by a fiber–optic DAS system to train a convolutional neural network (CNN), which distinguishes “healthy” and “infested” signals with a classification accuracy higher than 97%. Additionally, a rigorous machine learning classification approach is introduced to improve the false alarm performance metric by >20%.

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Islam Ashry, Yuan Mao, Biwei Wang, Mohammed Sait, Yujian Guo, Abdulmoneim Al-Shawaf, Tien Khee Ng, and Boon S. Ooi "CNN-based detection of red palm weevil using optical-fiber-distributed acoustic sensing", Proc. SPIE 12008, Photonic Instrumentation Engineering IX, 120080U (5 March 2022); https://doi.org/10.1117/12.2609308

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