MULTI-FACTOR STATUS PREDICTION BY 4D FRACTAL CNN BASED ON REMOTE SENSING IMAGES

Li Wang, Xiaoyi Wang, Zhiyao Zhao, Yuxi Wu, Jiping Xu, Huiyan Zhang, Jiabin Yu, Qian Sun and Yuting Bai
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Li Wang: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China
Xiaoyi Wang: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China†Beijing Institute of Fashion Technology, Beijing, P. R. China
Zhiyao Zhao: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China
Yuxi Wu: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China
Jiping Xu: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China
Huiyan Zhang: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China
Jiabin Yu: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China
Qian Sun: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China
Yuting Bai: School of Artificial Intelligence, Beijing Laboratory for Intelligent Environmental Protection, Beijing Technology and Business University, Beijing, P. R. China

FRACTALS (fractals), 2022, vol. 30, issue 02, 1-13

Abstract: With the acceleration of industrialization and urbanization, most lakes and reservoirs have been in eutrophication state. Eutrophication of water body will produce a series of environmental problems, among which cyanobacteria bloom is one of the most studied and seriously polluted problems. It is of great significance to effectively control the occurrence of cyanobacteria blooms by predicting and simulating the outbreak process of cyanobacteria blooms and accurately forecasting the relevant governance departments. However, there are two problems in the existing analysis of algal blooms: on the one hand, it is difficult to consider the impact of other factors on cyanobacteria blooms by taking chlorophyll concentration as the main influencing factor, and it is also unable to determine the relationship between various factors. On the other hand, only based on the field monitoring data research, lack of comprehensive analysis of the whole water area. The remote sensing image can reflect the change of the whole water area, but the traditional analysis method is difficult to deal with the massive remote sensing data effectively. In this study, eutrophication level was used as characterization index of cyanobacteria bloom, and the remote sensing image and its inversion map were taken as the main research data, and a new method of cyanobacteria bloom prediction based on four-dimensional (4D) fractal CNN was proposed. The prediction model uses 4D fractal CNN to extract the features of multi factor remote sensing images, capture the temporal and spatial characteristics and the interaction between multiple factors, and predict the eutrophication level of water body. In this study, a total of 216 remote sensing images of Taihu Lake Basin were selected from 29 groups with fine weather from 2009 to 2010 obtained by MODIS satellite. The simulation results show that the method proposed in this paper has excellent prediction performance, and the accuracy rate of 85.71% is better than that of common 3D CNN and 4D CNN models.

Keywords: Fractal Net; 4D CNN; Status Prediction; Remote Sensing Images; Eutrophication (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218348X22401016

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