Fan-jia MENG, Shi LUO, Yue-feng WU, Hong SUN, Fei LIU, Min-zan LI, Wei HUANG, Mu LI. Characteristic Extraction Method and Discriminant Model of Ear Rot of Maize Seed Base on NIR Spectra[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1716
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 6, 1716 (2022)
Fig. 1. Test samples
Fig. 2. Original spectra (a) and preprocessed by MSC (b)
Fig. 3. Near infrared spectra of maize seed in 4 optimal wavelength ranges
Fig. 4. Correlation coefficient from NIR full-band spectral data
Fig. 5. SPA feature extraction
Fig. 6. CARS feature extraction
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Table 1. Data set partitioning results
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Table 2. Comparison of discriminant models
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