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Extraction of Urban Water Bodies from High-Resolution Remote-Sensing Imagery Using Deep Learning
1
School of Geomatics, Liaoning Technical University, Fuxin 123000, China
2
Chinese Academy of Surveying and Mapping, Beijing 100830, China
3
ICube Laboratory, University of Strasbourg, 67000 Strasbourg, France
4
Institute of Geographic Sciences and Natural Resources Research, University of Chinese Academy of Sciences, Beijing 10010, China
*
Author to whom correspondence should be addressed.
Water 2018, 10(5), 585; https://doi.org/10.3390/w10050585
Received: 21 March 2018 / Revised: 20 April 2018 / Accepted: 23 April 2018 / Published: 1 May 2018
(This article belongs to the Special Issue Flood Forecasting Using Machine Learning Methods)
Accurate information on urban surface water is important for assessing the role it plays in urban ecosystem services in the context of human survival and climate change. The precise extraction of urban water bodies from images is of great significance for urban planning and socioeconomic development. In this paper, a novel deep-learning architecture is proposed for the extraction of urban water bodies from high-resolution remote sensing (HRRS) imagery. First, an adaptive simple linear iterative clustering algorithm is applied for segmentation of the remote-sensing image into high-quality superpixels. Then, a new convolutional neural network (CNN) architecture is designed that can extract useful high-level features of water bodies from input data in a complex urban background and mark the superpixel as one of two classes: an including water or no-water pixel. Finally, a high-resolution image of water-extracted superpixels is generated. Experimental results show that the proposed method achieved higher accuracy for water extraction from the high-resolution remote-sensing images than traditional approaches, and the average overall accuracy is 99.14%.
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Keywords:
deep learning; convolutional neural networks; superpixel; urban water bodies; high-resolution remote-sensing images
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MDPI and ACS Style
Chen, Y.; Fan, R.; Yang, X.; Wang, J.; Latif, A. Extraction of Urban Water Bodies from High-Resolution Remote-Sensing Imagery Using Deep Learning. Water 2018, 10, 585.
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