Fu ZHANG, Xin-yue WANG, Xia-hua CUI, Wei-hua CAO, Xiao-dong ZHANG, Ya-kun ZHANG. Classification of Qianxi Tomatoes by Visible/Near Infrared Spectroscopy Combined With GMO-SVM[J]. Spectroscopy and Spectral Analysis, 2022, 42(10): 3291
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 10, 3291 (2022)
Fig. 1. Qianxi samples
(a): Type 1; (b): Type 2; (c): Type 3; (d): Type 4
(a): Type 1; (b): Type 2; (c): Type 3; (d): Type 4
Fig. 2. Spectral acquisition system
①: Spectrometer; ②: Light source; ③: Y type fiber; ④: Computer
①: Spectrometer; ②: Light source; ③: Y type fiber; ④: Computer
Fig. 3. Schematic diagram of acquisition location
Fig. 4. Average reflectivity curves of Qianxi tomato samples
Fig. 5. Spectral average reflectivity curves after preprocessing
Fig. 6. Characteristic wavelengths extracted by successive projections algorithm
(a): Number of characteristic wavelengths;(b): Corresponding characteristic wavelength
(a): Number of characteristic wavelengths;(b): Corresponding characteristic wavelength
Fig. 7. Classification results of training set
Fig. 8. Classification results of test set
Fig. 9. Training set classification results
Fig. 10. Classification results of test set
Fig. 11. Accuracy comparison of training set
Fig. 12. Accuracy comparison of test set
|
Table 1. Sample partition results
|
Table 2. Classification results of training set
|
Table 3. Classification results of test set
|
Table 4. Optimized SVM parameters
|
Table 5. Classification results of training set
|
Table 6. Classification results of test set
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20