Rapid monitoring of surface water based on remote sensing data and DeepLabv3+ model
KANG Hui1,2(), DOU Wenzhang1,3, HAN Lingyi4(), DING Ziyue4, WU Liangting4, HOU Lu5
1. School of Software and Microelectronics, Peking University,Beijing 102600, China 2. China Mobile Group Beijing Company Limited, Beijing 100007, China 3. Peking University Institute for Strategy Studies, Beijing 100091,China 4. China Areo Geophysical Survey and Remote Sensing Center for Natural Resources, Beijing 100083, China 5. School of Information and Engineering,Beijing University of Posts and Telecommunications, Beijing 100876, China
Surface water monitoring can provide important references for water resource protection. Using 2013-2022 remote sensing images from the domestic high-resolution GF-1 constellation, this study developed a pixel-scale method for surface water information extraction based on the DeepLabv3+deep learning model. The experimental results of derived in Miyun District of Beijing indicate that the proposed method can quickly obtain multiple phases of pixel-scale spatiotemporal distributions of surface water, with the extraction results roughly consistent with actual spatial distribution. Compared to conventional classification algorithms such as random forest, support vector machine, and maximum likelihood, this method exhibited extraction precision and recall of 99.22% and 98.01%, respectively, demonstrating high accuracy in water information extraction. The long-term serial monitoring results indicate that the surface water area evolved from a continuous decrease to an increase and then to stabilization from 2013 to 2022. Since the extraction accuracy and efficiency can meet the demand for the monitoring of the spatial changes in regional water bodies, the proposed method enjoys broad prospects for practical application in the fields of remote sensing-based rapid monitoring and ecological assessment of regional surface water resources.
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KANG Hui, DOU Wenzhang, HAN Lingyi, DING Ziyue, WU Liangting, HOU Lu. Rapid monitoring of surface water based on remote sensing data and DeepLabv3+ model. Remote Sensing for Natural Resources, 2024, 36(4): 117-123.
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