Kai-yi ZHENG, Wen ZHANG, Fu-yuan DING, Chen-guang ZHOU, Ji-yong SHI, Marunaka Yoshinori, Xiao-bo ZOU. Using Ensemble Refinement (ER) Method to Optimize Transfer Set of Near-Infrared Spectra[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1323
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 4, 1323 (2022)
Fig. 1. Illustrative example of the subset sampling in a transfer set
The black squares are the selected ones while the white ones not
The black squares are the selected ones while the white ones not
Fig. 2. The procedure of the ER method
Fig. 3. The RMSEV2 of corn dataset at r from 0.2 to 0.9 (plots a to h) and m from 20 to 60
In each plot, the blue and red lines represent RMSEV2 of the KS method and the proposed method, respectively
In each plot, the blue and red lines represent RMSEV2 of the KS method and the proposed method, respectively
Fig. 4. RMSEV2 of the corn dataset at r ranging from 0.3 to 0.9 at m =30
Fig. 5. Variation in RMSEV2 for subsets with w from 9 to 30 at m =30 and r =0.6
Fig. 6. Average RMSEP of corn dataset at different values of m under the transfer set generated by KS (blue line) and ER (red line), respectively
(a): CCA-ICE; (b): DS; (c): PDS; (d): SST
(a): CCA-ICE; (b): DS; (c): PDS; (d): SST
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Table 1. Computation errors of corn dataset by KS and ER methods
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