Laser & Optoelectronics Progress, Volume. 56, Issue 20, 203001(2019)
Detection Research of Seed Potato Starch in Kudzu Using Terahertz Time-Domain Spectroscopy
Figures & Tables(10)
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
Table 1. Four classes of seed potato starch sample concentration
View tableTable 1. Four classes of seed potato starch sample concentration
Sample number Mass fraction /% Number Sample number Mass fraction /% Number 1 0 8 3 20 20 2 10 20 4 30 8
Table 2. Sixteen groups of seed potato starch sample concentration
View tableTable 2. Sixteen groups of seed potato starch sample concentration
Sample number Mass fraction / % Sample number Mass fraction / % 1 0.5 9 12.5 2 2.0 10 14.0 3 3.5 11 15.5 4 5.0 12 17.0 5 6.5 13 18.5 6 8.0 14 20.0 7 9.5 15 30.0 8 11.0 16 40.0
Table 3. Result contrast between PLS model and LS-SVM model
View tableTable 3. Result contrast between PLS model and LS-SVM model
Method RMSE /% R 2PLS 2.6 0.932 LS-SVM 1.6 0.957
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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
Paper Information
Category: Spectroscopy
Received: Apr. 16, 2019
Accepted: May. 21, 2018
Published Online: Oct. 22, 2019
The Author Email: Bin Li (libingioe@126.com)
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