Fan ZHAO, Zhao-ru YAN, Hai-yan SONG. Hyperspectra Used to Recognize Black Goji Berry and Nitraria Tanggu[J]. Spectroscopy and Spectral Analysis, 2021, 41(7): 2240
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 7, 2240 (2021)
Fig. 1. Black Goji berries
Fig. 1. Nitraria Tanggu
Fig. 2. (a) 232 reflectance spectral bands of black Gojiberries and Nitraria Tanggu; (b) Average spectra of black Gojiberries and Nitraria Tanggu
Fig. 3. RMSE changed with the number of characteristic wavelength in SPA
Fig. 4. 20 characteristic wavelength selected by SPA
Fig. 5. Identification results of black Gojiberries and nitraria Tanggu by SVM
Fig. 6. Identification results of black Gojiberries and nitraria Tanggu by ELM
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Table 1. Parameters of SVM
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