Classification and Regression Tree Models for Remote Recognition of Black and Odorous Water Bodies Based on Sensor Networks

Black and odorous water bodies represent a topic of significant interest in the field of water pollution prevention and control. Remote sensing technology is increasingly exploited for the monitoring of black and odorous water bodies because of its high efficiency and large-scale monitoring potentia...

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Bibliographic Details
Published in:Scientific programming 2022-02, Vol.2022, p.1-12
Main Authors: Zhao, Qichao, Dong, Xuxin, Li, Guohong, Jin, Yongtao, Yang, Xiufeng, Qu, Yandan
Format: Article
Language:English
Subjects:
Accuracy
Algae
Algorithms
Classification
Decision trees
Environmental protection
Feature extraction
Image segmentation
Methods
Monitoring
Pollutants
Pollution abatement
Recognition
Regression analysis
Regression models
Remote control
Remote sensing
Remote sensors
Satellite imagery
Urban areas
Water pollution
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Summary:Black and odorous water bodies represent a topic of significant interest in the field of water pollution prevention and control. Remote sensing technology is increasingly exploited for the monitoring of black and odorous water bodies because of its high efficiency and large-scale monitoring potential. In the present study, the Sentinel-2A imagery data were combined with data obtained by measuring spectral properties of black and odorous water bodies to produce a classification and regression tree (CART) model-based improved remote sensing recognition method for such water bodies. This method transforms the traditional single-feature empirical threshold segmentation algorithm to a multi-feature fuzzy decision-tree classification algorithm. The results reveal overall accuracy values of 84.78%, 92.85%, and 72.23% for the CART decision-tree algorithm, the confidence zone classification, and the fuzzy zone node classification, respectively. The method proposed in the present study enables the highly precise extraction of features representing black and odorous water bodies from satellite imagery. The characterization of confidence and fuzzy zones minimizes the need for field inspections, and it enhances the efficiency of diverse applications including engineering.
ISSN:1058-9244
1875-919X
DOI:10.1155/2022/7390098