Acta Optica Sinica, Volume. 45, Issue 15, 1530001(2025)
Bidimensional Optical Path Estimation and Correction Algorithm for ATR‐FTIR Spectra of Complex Mixed Solutions
Fig. 1. Real data spectra. (a) γ-PGA fermentation broth spectra; (b) blood spectra
Fig. 2. Summary of multiplication parameters of OPLECm experiment. (a) Multiplication parameters based on γ-PGA fermentation broth spectra in the training set; (b) multiplication parameters based on γ-PGA fermentation broth in the test set; (c) multiplication parameters based on blood spectra in the training set; (d) multiplication parameters based on blood spectra in the test set
Fig. 3. Summary of inner and outer parameters of Bi-OPLECm experiment based on γ-PGA fermentation broth spectra. (a) Outer parameters on the training set; (b) outer parameters on the test set; (c) inner parameters of glucose and sodium glutamate on the training set; (d) inner parameters of glucose and sodium glutamate on the test set
Fig. 4. Summary of inner and outer parameters of Bi-OPLECm experiments based on blood spectra. (a) Outer parameters on the training set; (b) outer parameters on the test set; (c) inner parameters of blood glucose and triglyceride on the training set; (d) inner parameters of blood glucose and triglyceride on the test set
Fig. 5. Scatter plots of quantitative analysis models for γ-PGA fermentation broth data processed using three methods. (a) Scatter plot for glucose mass concentration prediction; (b) scatter plot for sodium glutamate mass concentration prediction
Fig. 6. Scatter plots of quantitative analysis models for blood data processed using three methods. (a) Scatter plot for blood glucose mass concentration prediction; (b) scatter plot for triglyceride mass concentration prediction
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Peng Shan, Menghao Zhi, Teng Liang, Guodong Pan, Zhigang Li, Zhonghai He. Bidimensional Optical Path Estimation and Correction Algorithm for ATR‐FTIR Spectra of Complex Mixed Solutions[J]. Acta Optica Sinica, 2025, 45(15): 1530001
Category: Spectroscopy
Received: Feb. 16, 2025
Accepted: May. 6, 2025
Published Online: Jul. 27, 2025
The Author Email: Menghao Zhi (375290547@qq.com)
CSTR:32393.14.AOS250599