Ya He, Jifen Wang. Rapid Nondestructive Identification of Wood Lacquer Using Raman Spectroscopy Based on Characteristic-Band-Fisher-K Nearest Neighbor[J]. Laser & Optoelectronics Progress, 2020, 57(1): 013001
- Laser & Optoelectronics Progress
- Vol. 57, Issue 1, 013001 (2020)
Fig. 1. Preprocessing results of Raman spectra of CY003 samples. (a) BL; (b) nine-point smoothing; (c) first derivative; (d) second derivative
Fig. 2. Classification of three brands of woodlacquer samples obtained by characteristic-band ratio method
Fig. 3. Discriminant distribution of three brands of woodlacquer samples obtained by functions 1 and 2
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Table 1. Basic information of six samples of wood lacquer
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Table 2. Discriminant results of different preprocessing methods
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Table 3. Summary of Fisher-function discriminant
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Table 4. Classification results of samples for two models
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