Bin Li, Xiuyang Du, Yande Liu, Jun Hu. Detection Research of Seed Potato Starch in Kudzu Using Terahertz Time-Domain Spectroscopy[J]. Laser & Optoelectronics Progress, 2019, 56(20): 203001
- Laser & Optoelectronics Progress
- Vol. 56, Issue 20, 203001 (2019)
Fig. 1. Block diagram of terahertz time domain spectrometer
Fig. 2. (a) Absorption spectra of four classes of seed potato starch samples; (b) absorption spectra of partial samples
Fig. 3. Tendency chart of RMSE with principal component factor in qualitative prediction model
Fig. 4. Scatter plots of classified variables and predicted values for four samples
Fig. 5. Tendency chart of RMSE with principal component factor in quantitative prediction model
Fig. 6. PLS predicted seed potato starch content scatter plot
Fig. 7. LS-SVM predicted seed potato starch content scatter plot
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Table 1. Four classes of seed potato starch sample concentration
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Table 2. Sixteen groups of seed potato starch sample concentration
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Table 3. Result contrast between PLS model and LS-SVM model
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