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Red Tide Detection Method Based on Improved U-Net Model-Taking GOCI Data in East China Sea as an Example

In the coastal areas of China, the eutrophication of seawater leads to the continuous occurrence of red tide, which has caused great damage to Marine fisheries and aquatic resources. Therefore, the detection and prediction of red tide have important research significance. The rapid development of op...

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Autores principales: Han, Yanling, Ding, Tianhong, Cui, Pengxia, Wang, Xiaotong, Zheng, Bowen, Shen, Xiaojing, Ma, Zhenling, Zhang, Yun, Pan, Haiyan, Yang, Shuhu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10674352/
https://www.ncbi.nlm.nih.gov/pubmed/38005581
http://dx.doi.org/10.3390/s23229195
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author Han, Yanling
Ding, Tianhong
Cui, Pengxia
Wang, Xiaotong
Zheng, Bowen
Shen, Xiaojing
Ma, Zhenling
Zhang, Yun
Pan, Haiyan
Yang, Shuhu
author_facet Han, Yanling
Ding, Tianhong
Cui, Pengxia
Wang, Xiaotong
Zheng, Bowen
Shen, Xiaojing
Ma, Zhenling
Zhang, Yun
Pan, Haiyan
Yang, Shuhu
author_sort Han, Yanling
collection PubMed
description In the coastal areas of China, the eutrophication of seawater leads to the continuous occurrence of red tide, which has caused great damage to Marine fisheries and aquatic resources. Therefore, the detection and prediction of red tide have important research significance. The rapid development of optical remote sensing technology and deep-learning technology provides technical means for realizing large-scale and high-precision red tide detection. However, the difficulty of the accurate detection of red tide edges with complex boundaries limits the further improvement of red tide detection accuracy. In view of the above problems, this paper takes GOCI data in the East China Sea as an example and proposes an improved U-Net red tide detection method. In the improved U-Net method, NDVI was introduced to enhance the characteristic information of the red tide to improve the separability between the red tide and seawater. At the same time, the ECA channel attention mechanism was introduced to give different weights according to the influence of different bands on red tide detection, and the spectral characteristics of different channels were fully mined to further extract red tide characteristics. A shallow feature extraction module based on Atrous Spatial Pyramid Convolution (ASPC) was designed to improve the U-Net model. The red tide feature information in a multi-scale context was fused under multiple sampling rates to enhance the model’s ability to extract features at different scales. The problem of limited accuracy improvement in red tide edge detection with complex boundaries is solved via the fusion of deep and shallow features and multi-scale spatial features. Compared with other methods, the method proposed in this paper achieves better results and can detect red tide edges with complex boundaries, and the accuracy, precision, recall, and F1-score are 95.90%, 97.15%, 91.53%, and 0.94, respectively. In addition, the red tide detection experiments in other regions with relatively concentrated distribution also prove that the method has good applicability.
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spelling pubmed-106743522023-11-15 Red Tide Detection Method Based on Improved U-Net Model-Taking GOCI Data in East China Sea as an Example Han, Yanling Ding, Tianhong Cui, Pengxia Wang, Xiaotong Zheng, Bowen Shen, Xiaojing Ma, Zhenling Zhang, Yun Pan, Haiyan Yang, Shuhu Sensors (Basel) Article In the coastal areas of China, the eutrophication of seawater leads to the continuous occurrence of red tide, which has caused great damage to Marine fisheries and aquatic resources. Therefore, the detection and prediction of red tide have important research significance. The rapid development of optical remote sensing technology and deep-learning technology provides technical means for realizing large-scale and high-precision red tide detection. However, the difficulty of the accurate detection of red tide edges with complex boundaries limits the further improvement of red tide detection accuracy. In view of the above problems, this paper takes GOCI data in the East China Sea as an example and proposes an improved U-Net red tide detection method. In the improved U-Net method, NDVI was introduced to enhance the characteristic information of the red tide to improve the separability between the red tide and seawater. At the same time, the ECA channel attention mechanism was introduced to give different weights according to the influence of different bands on red tide detection, and the spectral characteristics of different channels were fully mined to further extract red tide characteristics. A shallow feature extraction module based on Atrous Spatial Pyramid Convolution (ASPC) was designed to improve the U-Net model. The red tide feature information in a multi-scale context was fused under multiple sampling rates to enhance the model’s ability to extract features at different scales. The problem of limited accuracy improvement in red tide edge detection with complex boundaries is solved via the fusion of deep and shallow features and multi-scale spatial features. Compared with other methods, the method proposed in this paper achieves better results and can detect red tide edges with complex boundaries, and the accuracy, precision, recall, and F1-score are 95.90%, 97.15%, 91.53%, and 0.94, respectively. In addition, the red tide detection experiments in other regions with relatively concentrated distribution also prove that the method has good applicability. MDPI 2023-11-15 /pmc/articles/PMC10674352/ /pubmed/38005581 http://dx.doi.org/10.3390/s23229195 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Han, Yanling
Ding, Tianhong
Cui, Pengxia
Wang, Xiaotong
Zheng, Bowen
Shen, Xiaojing
Ma, Zhenling
Zhang, Yun
Pan, Haiyan
Yang, Shuhu
Red Tide Detection Method Based on Improved U-Net Model-Taking GOCI Data in East China Sea as an Example
title Red Tide Detection Method Based on Improved U-Net Model-Taking GOCI Data in East China Sea as an Example
title_full Red Tide Detection Method Based on Improved U-Net Model-Taking GOCI Data in East China Sea as an Example
title_fullStr Red Tide Detection Method Based on Improved U-Net Model-Taking GOCI Data in East China Sea as an Example
title_full_unstemmed Red Tide Detection Method Based on Improved U-Net Model-Taking GOCI Data in East China Sea as an Example
title_short Red Tide Detection Method Based on Improved U-Net Model-Taking GOCI Data in East China Sea as an Example
title_sort red tide detection method based on improved u-net model-taking goci data in east china sea as an example
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10674352/
https://www.ncbi.nlm.nih.gov/pubmed/38005581
http://dx.doi.org/10.3390/s23229195
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