Dongyan Zhang, Congcong Fu, Dandan Li, Miaoyuan Ma, Ying Huang. Nondestructive Detection Model of Hazelnut Protein Based on Near Infrared Spectroscopy[J]. Laser & Optoelectronics Progress, 2023, 60(1): 0130004
- Laser & Optoelectronics Progress
- Vol. 60, Issue 1, 0130004 (2023)
Fig. 1. Schematic diagram of the hardware platform
Fig. 2. Experimental flow chart
Fig. 3. Raw spectra of all bands
Fig. 4. Spectra after preprocessing
Fig. 5. Optimal modeling result of the CARS algorithm. (a) Number of wavebands; (b)
Fig. 6. Variation curve of RMSE of SPA with the number of wavebands
Fig. 7. Location of selected bands for SPA
Fig. 8. Selection probability of each band of the IRF algorithm
Fig. 9. Variation curve of
Fig. 10. Regression results of the IRF algorithm on the cross-validation set
Fig. 11. Regression results of the IRF algorithm on the test set
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Table 1. Content distribution of protein in hazelnut
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Table 2. Prediction results of the model before and after preprocessing
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Table 3. Modeling results of different algorithms
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