Spectroscopy and Spectral Analysis, Volume. 42, Issue 8, 2397(2022)
Study on Detection Method of Leaves With Various Citrus Pests and Diseases by Hyperspectral Imaging
Figures & Tables(9)
Fig. 3. Process of selecting characteristic wavelengths by CARS for original spectrum
Fig. 4. Loading curves of the first four principal components of the original spectrum
Table 1. Extracting characteristic wavelengths by CARS and PCA
View tableView in ArticleTable 1. Extracting characteristic wavelengths by CARS and PCA
预处理方法 CARS特征波长(λ/nm) PCA特征波长(λ/nm) Origin 529, 534, 539, 712, 717, 749, 754, 760, 781, 787 520, 554, 707, 712, 725, 731, 757 1st Der 529, 539, 754, 760, 792 502, 689, 707, 712, 731, 741, 757 MSC 529, 534, 612, 701, 717, 733, 749, 754, 760, 781, 787, 792 551, 678, 707, 712, 725, 731, 757 MF 529, 534, 622, 717, 754, 760, 776, 781, 787, 792 529, 622, 707, 712, 725, 731, 757
Table 2. Modeling results of XGBoost and SVM
View tableView in ArticleTable 2. Modeling results of XGBoost and SVM
模型 波长
范围预处理 评价指标 OA/% Recall/% Train-time/s XGBoost FS Origin 94.32 94.77 59 1stDer 93.60 94.07 54 MSC 95.98 94.32 57 MF 96.56 95.91 63 SVM CARS Origin 93.63 94.03 167 1stDer 90.26 88.31 182 MSC 87.90 86.92 184 MF 91.95 90.74 175 PCA Origin 87.53 91.00 153 1stDer 90.82 93.14 162 MSC 83.50 87.71 159 MF 90.98 90.87 170
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Ye-lan WU, Hui-ning GUAN, Xiao-qin LIAN, Chong-chong YU, Yu LIAO, Chao GAO. Study on Detection Method of Leaves With Various Citrus Pests and Diseases by Hyperspectral Imaging[J]. Spectroscopy and Spectral Analysis, 2022, 42(8): 2397
Paper Information
Category: Orginal Article
Received: Nov. 29, 2021
Accepted: --
Published Online: Mar. 17, 2025
The Author Email: WU Ye-lan (wu_yelan@163.com)
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