Si Shen, Meng Liu. Few-Shot Classification of Laser-Printing Toner Using Infrared Spectroscopy[J]. Laser & Optoelectronics Progress, 2022, 59(19): 1930005
- Laser & Optoelectronics Progress
- Vol. 59, Issue 19, 1930005 (2022)
Fig. 1. Infrared transmission spectra of laser printing toner
Fig. 2. ROC and AUC of toner’s PLS-DA model. (a) Testing set ratio is 1/5; (b) testing set ratio is 1/4; (c) testing set ratio is 1/3; (d) testing set ratio is 1/2
Fig. 3. ROC and AUC of toner’s SVM model. (a) Testing set ratio is 1/5; (b) testing set ratio is 1/4; (c) testing set ratio is 1/3; (d) testing set ratio is 1/2
Fig. 4. ROC and AUC of toner’s RF model. (a) Testing set ratio is 1/5; (b) testing set ratio is 1/4; (c) testing set ratio is 1/3; (d) testing set ratio is 1/2
Fig. 5. All training samples’ 3D score plot of PLS-DA model
Fig. 6. S1 and S3 training samples’ 3D score plot of PLS-DA model
Fig. 7. Variable influence on projection (VIP) of toner’s PLS-DA model
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Table 1. Information of laser printers
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Table 2. Performance comparison of spectral preprocessing methods
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Table 3. Micro-average AUC of different toner discriminant models
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Table 4. Testing accuracy of different toner discriminant models
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Table 5. Micro-average AUC of models based on full spectrum and VIP spectrum
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