Assessing water quality environmental grades using hyperspectral images and a deep learning model: A case study in Jiangsu, China

Water quality assessment is essential for effective environmental management, yet traditional methods such as chemical sampling are often labor-intensive and inefficient for large-scale, continual monitoring. This study addresses these limitations by leveraging hyperspectral images (HSIs) analysis a...

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Main Authors: Hongran Li, Hui Zhao, Chao Wei, Min Cao, Jian Zhang, Heng Zhang, Dongqing Yuan
Format: Article
Language:English
Published: Elsevier 2024-12-01
Series:Ecological Informatics
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Online Access:http://www.sciencedirect.com/science/article/pii/S1574954124003960
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author Hongran Li
Hui Zhao
Chao Wei
Min Cao
Jian Zhang
Heng Zhang
Dongqing Yuan
author_facet Hongran Li
Hui Zhao
Chao Wei
Min Cao
Jian Zhang
Heng Zhang
Dongqing Yuan
author_sort Hongran Li
collection DOAJ
description Water quality assessment is essential for effective environmental management, yet traditional methods such as chemical sampling are often labor-intensive and inefficient for large-scale, continual monitoring. This study addresses these limitations by leveraging hyperspectral images (HSIs) analysis and introducing a capsule network (CapsNet) model enhanced with a multidimensional integration attention (MDIA) mechanism. The model is specifically designed to integrate both channel and spatial information, enabling precise water quality grade assessment by detecting subtle features within HSIs data. To validate the performance of the model, spectral data from 5 water quality regions are collected and processed via a UAV-carried spectrometer, with 4503 water quality data samples. Rigorous classification experiments demonstrated that the model achieves 98.73 % accuracy, with an average improvement of 4.89 % compared with the other models. This approach significantly improves decision support systems for water resource management, facilitating the sustainable use of water resources.
format Article
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institution Kabale University
issn 1574-9541
language English
publishDate 2024-12-01
publisher Elsevier
record_format Article
series Ecological Informatics
spelling doaj-art-2afc1fbe972b419c802df3207479f3262024-12-17T04:59:07ZengElsevierEcological Informatics1574-95412024-12-0184102854Assessing water quality environmental grades using hyperspectral images and a deep learning model: A case study in Jiangsu, ChinaHongran Li0Hui Zhao1Chao Wei2Min Cao3Jian Zhang4Heng Zhang5Dongqing Yuan6Jiangsu Ocean University, Lianyungang 222005, Jiangsu, China; Corresponding author.Jiangsu Ocean University, Lianyungang 222005, Jiangsu, ChinaJiangsu Ocean University, Lianyungang 222005, Jiangsu, ChinaJiangsu Duke Industry CO., LTD, Lianyungang 222005, Jiangsu, ChinaJiangsu Ocean University, Lianyungang 222005, Jiangsu, ChinaJiangsu Ocean University, Lianyungang 222005, Jiangsu, ChinaJiangsu Ocean University, Lianyungang 222005, Jiangsu, ChinaWater quality assessment is essential for effective environmental management, yet traditional methods such as chemical sampling are often labor-intensive and inefficient for large-scale, continual monitoring. This study addresses these limitations by leveraging hyperspectral images (HSIs) analysis and introducing a capsule network (CapsNet) model enhanced with a multidimensional integration attention (MDIA) mechanism. The model is specifically designed to integrate both channel and spatial information, enabling precise water quality grade assessment by detecting subtle features within HSIs data. To validate the performance of the model, spectral data from 5 water quality regions are collected and processed via a UAV-carried spectrometer, with 4503 water quality data samples. Rigorous classification experiments demonstrated that the model achieves 98.73 % accuracy, with an average improvement of 4.89 % compared with the other models. This approach significantly improves decision support systems for water resource management, facilitating the sustainable use of water resources.http://www.sciencedirect.com/science/article/pii/S1574954124003960Water quality classificationMultidimensional integration attentionCapsule networkSpectral featureUAV-based sensingDeep learning
spellingShingle Hongran Li
Hui Zhao
Chao Wei
Min Cao
Jian Zhang
Heng Zhang
Dongqing Yuan
Assessing water quality environmental grades using hyperspectral images and a deep learning model: A case study in Jiangsu, China
Ecological Informatics
Water quality classification
Multidimensional integration attention
Capsule network
Spectral feature
UAV-based sensing
Deep learning
title Assessing water quality environmental grades using hyperspectral images and a deep learning model: A case study in Jiangsu, China
title_full Assessing water quality environmental grades using hyperspectral images and a deep learning model: A case study in Jiangsu, China
title_fullStr Assessing water quality environmental grades using hyperspectral images and a deep learning model: A case study in Jiangsu, China
title_full_unstemmed Assessing water quality environmental grades using hyperspectral images and a deep learning model: A case study in Jiangsu, China
title_short Assessing water quality environmental grades using hyperspectral images and a deep learning model: A case study in Jiangsu, China
title_sort assessing water quality environmental grades using hyperspectral images and a deep learning model a case study in jiangsu china
topic Water quality classification
Multidimensional integration attention
Capsule network
Spectral feature
UAV-based sensing
Deep learning
url http://www.sciencedirect.com/science/article/pii/S1574954124003960
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