Deep learning and LiDAR integration for surveillance camera-based river water level monitoring in flood applications

Nur Atirah Muhadi (), Ahmad Fikri Abdullah, Siti Khairunniza Bejo, Muhammad Razif Mahadi, Ana Mijic and Zoran Vojinovic
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Nur Atirah Muhadi: Universiti Putra Malaysia
Ahmad Fikri Abdullah: Universiti Putra Malaysia
Siti Khairunniza Bejo: Universiti Putra Malaysia
Muhammad Razif Mahadi: Universiti Putra Malaysia
Ana Mijic: Imperial College London
Zoran Vojinovic: IHE Delft Institute for Water Education

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2024, vol. 120, issue 9, No 11, 8367-8390

Abstract: Abstract Recently, surveillance technology was proposed as an alternative to flood monitoring systems. This study introduces a novel approach to flood monitoring by integrating surveillance technology and LiDAR data to estimate river water levels. The methodology involves deep learning semantic segmentation for water extent extraction before utilizing the segmented images and virtual markers with elevation information from light detection and ranging (LiDAR) data for water level estimation. The efficiency was assessed using Spearman's rank-order correlation coefficient, yielding a high correlation of 0.92 between the water level framework with readings from the sensors. The performance metrics were also carried out by comparing both measurements. The results imply accurate and precise model predictions, indicating that the model performs well in closely matching observed values. Additionally, the semi-automated procedure allows data recording in an Excel file, offering an alternative measure when traditional water level measurement is not available. The proposed method proves valuable for on-site water-related information retrieval during flood events, empowering authorities to make informed decisions in flood-related planning and management, thereby enhancing the flood monitoring system in Malaysia.

Keywords: Flood disaster; Deep learning; Image segmentation; LiDAR; Surveillance camera; Water level (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11069-024-06503-6

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