Wang Xiaobin, Ma Xiao, Yang Lei, Li Chunyu. Multi-Layer Perceptron Pattern Recognition of Handwriting Ink Based on PLS-DA Raman Spectral Feature Extraction[J]. Laser & Optoelectronics Progress, 2021, 58(1): 130002
- Laser & Optoelectronics Progress
- Vol. 58, Issue 1, 130002 (2021)
Fig. 1. Raman spectra of samples after pre-processing
Fig. 2. PLS-DA score graph
Fig. 3. ROC curve and area under the curve AUC of 5 types of samples
Fig. 4. VIP value of independent variables
Fig. 5. Structure of multi-layer perceptron
Fig. 6. Changes of cross-entropy in epoch
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Table 1. Classification results of multi-layer perceptron
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