Guo-wei YU, Ben-xue MA, Jin-cheng CHEN, Fu-min DANG, Xiao-zhan LI, Cong LI, Gang WANG. Vis-NIR Spectra Discriminant of Pesticide Residues on the Hami Melon Surface by GADF and Multi-Scale CNN[J]. Spectroscopy and Spectral Analysis, 2021, 41(12): 3701
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 12, 3701 (2021)
Fig. 1. Vis-NIR spectra collection system
Fig. 2. The multi-scale CNN structure
Fig. 3. Vis-NIR spectra of pesticide residues on the Hami melon surface
(a): Raw spectra; (b): Average spectra
(a): Raw spectra; (b): Average spectra
Fig. 4. GAF image of Vis-NIR spectra
(a1, a2, a3): No residues; (b1, b2, b3): Chlorothalonil residues; (c1, c2, c3): Imidacloprid residues;(1): Standardization; (2): GASF; (3): GADF
(a1, a2, a3): No residues; (b1, b2, b3): Chlorothalonil residues; (c1, c2, c3): Imidacloprid residues;(1): Standardization; (2): GASF; (3): GADF
Fig. 5. The training results of the multi-scale CNN model
(a): GASF; (b): GADF
(a): GASF; (b): GADF
Fig. 6. The confusion matrixof the multi-scale CNN model
(a): GASF; (b): GADF
(a): GASF; (b): GADF
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Table 1. Test performance comparisons of different classification models
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