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Improved convolutional neural network-assisted laser-induced breakdown spectroscopy for identification of soil contamination types

文献类型： 外文期刊

作者： Gou, Yujiang 1 ; Fu, Xinglan 1 ; Zhao, Shilin 1 ; He, Panyu 1 ; Zhao, Chunjiang 1 ; Li, Guanglin 1 ;

作者机构： 1.Southwest Univ, Coll Engn & Technol, Chongqing 400716, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China

关键词： Soil contamination types; Laser -induced breakdown spectroscopy; Convolutional neural network; Identification

期刊名称：SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY （ 影响因子：3.3； 五年影响因子：3.1 ）

ISSN： 0584-8547

年卷期： 2024 年 215 卷

页码：

收录情况： SCI

摘要： Identification of soil contamination types is of great scientific significance for soil remediation and environmental pollution control. However, traditional identification methods for soil determination are time-consuming, laborious, and complicated. Here, we proposed an accurate method for identifying soil contamination types based on laser-induced breakdown spectroscopy (LIBS) and an improved convolutional neural network (CNN) model. The spectral feature extraction-based multiple attention residual network (SFEMARNet) model was constructed to extract detailed features by spectral feature extraction (SFE) modules, and highlight useful features by multiple attention residual (MAR) modules in LIBS spectral data. In addition, deep learning models and machine learning models were used to identify the data. The results showed that the SFEMARNet model achieved an accuracy of 98.75% on the test set. The recall, precision, and F1-score of the models reached 98.78%, 98.75%, and 98.76%, respectively, which were significantly better than the three deep learning models and of four machine learning models. It seems that the SFEMARNet model combined with LIBS technology may be a potential method for the accurate identification of soil contamination types.

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