Ai-chen WANG, Bin-jie GAO, Chun-jiang ZHAO, Yi-fei XU, Miao-lin WANG, Shu-gang YAN, Lin LI, Xin-hua WEI. Detecting Green Plants Based on Fluorescence Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 788
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 3, 788 (2022)
Fig. 1. Different samples
(a):Green plants; (b), (c): Others
(a):Green plants; (b), (c): Others
Fig. 2. Spectra of white, blue and red LEDs
Fig. 3. Schematic diagram of spectra collecting system
Fig. 4. Normalized spectra of different samples illuminated by white, blue and red LEEs
Fig. 5. PCA scores of the first two principal components of sample spectra under illumination of white (a), blue (b) and red (c) LEDs
Fig. 6. LDA distances for green plants and others under illumination of white (a), blue (b) and red (c) LEDs
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Table 1. Discriminant results of green plants and others by SIMCA
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Table 2. Confusion matrix of LDA models for classifying green plants and others
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Table 3. Optimized single waveband and corresponding discriminant
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