Jin Zhang, Hong Jiang, Feng Liu, Bin Duan. Differential Raman Spectroscopy Visualization and Rapid Identification of Shoe Sole Materials[J]. Laser & Optoelectronics Progress, 2021, 58(8): 0830004
- Laser & Optoelectronics Progress
- Vol. 58, Issue 8, 0830004 (2021)
Fig. 1. Standard spectra of four types of samples and actual test sample spectra. (a)BR;(b)PVC;(c)NR;(d)EVA
Fig. 2. Clustering dendrogram
Fig. 3. CART classification tree model of the sample
Fig. 4. Index graph of the decision tree model whose target category is EVA
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Table 1. Classification results of 51 samples
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Table 2. Vibration group information of four types of samples
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Table 3. Decision tree classification results of four types of shoe sole samples
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