Automated water body detection from satellite imagery is a fundamental stage for urban hydrological studies. In recent years, various deep convolutional neural network (DCNN)-based methods have been proposed to segment remote sensing data collected by conventional RGB or multispectral imagery for such studies. However, how to effectively explore the wider spectrum bands of multispectral sensors to achieve significantly better performance compared to the use of only RGB bands has been left underexplored. In this article, we propose a novel DCNN model—multichannel water body detection network (MC-WBDN)—that incorporates three innovative components, i.e., a multichannel fusion module, an Enhanced Atrous Spatial Pyramid Pooling module, and Space-to-Depth/Depth-to-Space operations, to outperform state-of-the-art DCNN-based water body detection methods. Experimental results convincingly show that our MC-WBDN model achieves remarkable water body detection performance, is more robust to light and weather variations, and can better distinguish tiny water bodies compared to other DCNN models.
Deep-Learning-Based Multispectral Satellite Image Segmentation for Water Body Detection
Kun Yuan,Xu Zhuang,G. Schaefer,Jianxin Feng,Lin Guan,Hui Fang
Published 2021 in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
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2021
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
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Computer Science, Engineering, Environmental Science
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