Spectroscopy and Spectral Analysis, Volume. 42, Issue 10, 3249(2022)
Multi-Model Fusion Based on Fractional Differential Preprocessing and PCA-SRDA for the Origin Traceability of Red Fuji Apples
Fig. 2. The near-infrared transmission spectra of apples from different regions for different fractional orders
(a): 0 order; (b): 0.6 order; (c): 0.9 order; (d): 1.2 order; (e): 1.5 order; (f): 2 order
Fig. 3. The fractional differential (Step 0.6) preprocessing results of the training (a) and test (b) sets
Fig. 4. The visualization of PCA dimension reduction results
(a): Training set; (b): Test set
Fig. 5. The visualization of PCA-SRDA feature extraction results
(a): Training set; (b): Test set
Fig. 6. The box diagram of Apple origin identification results (200 experiments repeated)
(a): Training set; (b): Test set
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Hua HUANG, Meng-di NAN, Zheng-hao LI, Qiu-ying CHEN, Ting-jie LI, Jun-xian GUO. Multi-Model Fusion Based on Fractional Differential Preprocessing and PCA-SRDA for the Origin Traceability of Red Fuji Apples[J]. Spectroscopy and Spectral Analysis, 2022, 42(10): 3249
Category: Research Articles
Received: Aug. 8, 2021
Accepted: Nov. 16, 2021
Published Online: Nov. 23, 2022
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