A Two-Step Simulated Annealing Algorithm for Spectral Data Feature Extraction

被引:3
作者
Pei, Jian [1 ,2 ]
Xu, Liang [1 ]
Huang, Yitong [3 ]
Jiao, Qingbin [1 ]
Yang, Mingyu [1 ]
Ma, Ding [1 ]
Jiang, Sijia [1 ]
Li, Hui [1 ,2 ]
Li, Yuhang [1 ,2 ]
Liu, Siqi [1 ,2 ]
Zhang, Wei [1 ,2 ]
Zhang, Jiahang [1 ,2 ]
Tan, Xin [1 ,4 ]
机构
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Beijing 100049, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Jilin Univ, Coll Comp Sci & Technol, Changchun 130012, Peoples R China
[4] Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
关键词
spectral detection; feature extraction; cyanobacteria biomass; lake eutrophication; quantitative inversion; VARIABLE SELECTION; LAKE TAIHU; CHINA; CLASSIFICATION; NUTRIENTS; REDUCTION;
D O I
10.3390/s23020893
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
To address the shortcomings in many traditional spectral feature extraction algorithms in practical application of low modeling accuracy and poor stability, this paper introduces the "Boruta algorithm-based local optimization process" based on the traditional simulated annealing algorithm and proposes the "two-step simulated annealing algorithm (TSSA)". This algorithm combines global optimization and local optimization. The Boruta algorithm ensures that the feature extraction results are all strongly correlated with the dependent variable, reducing data redundancy. The accuracy and stability of the algorithm model are significantly improved. The experimental results show that compared with the traditional feature extraction method, the accuracy indexes of the inversion model established by using the TSSA algorithm for feature extraction were significantly improved, with the determination coefficient R-2 of 0.9654, the root mean square error (RMSE) of 3.6723 mu g/L, and the mean absolute error (MAE) of 3.1461 mu g/L.
引用
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页数:14
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