Jie DING, Da-cheng ZHANG, Bo-wen WANG, Zhong-qi FENG, Xu-yang LIU, Jiang-feng ZHU. The Classification of Plant Leaves by Applying Chemometrics Methods on Laser-Induced Breakdown Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 606
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 2, 606 (2021)
Fig. 1. Schematic diagram of LIBS experimental setup
Fig. 2. LIBS spectra of three kinds of leaves
Fig. 3. Scores of the first two principal components of three kinds of leaves
Fig. 4. The scatter diagram of the firsttwo discriminant functions of training set samples
Fig. 5. The scatter diagram of the first two discriminant functions of test set samples
Fig. 6. Three Mahalanobis distances of each test set sample
Fig. 7. Classification results of test set samples
Fig. 8. SVM parameter optimization
Fig. 9. Classification results of SVM
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