Jian Hu, Yaoze Feng, Yijian Wang, Jie Huang, Guifeng Jia, Ming Zhu. Detection of Umami Substances and Umami Intensity Based on Near-Infrared Spectroscopy[J]. Acta Optica Sinica, 2022, 42(1): 0130002
- Acta Optica Sinica
- Vol. 42, Issue 1, 0130002 (2022)
Fig. 1. Flowchart of CMIC algorithm
Fig. 2. Original spectrogram of sample
Fig. 3. Performance analysis results of MSG concentration extracted by CMIC algorithm. (a) Variation trend under different window lengths; (b) variation trend of combined bands; (c) variation trend of number of resevered sub-intervals; (d) feature variables extracted by CMIC algorithm
Fig. 4. Performance analysis results of IMP concentration extracted by CMIC algorithm. (a) Scatter diagram for verification of IMP concentration detection in mixed solution; (b) feature variables extracted by CMIC algorithm
Fig. 5. Performance analysis results of extracting EUC values by CMIC algorithm. (a) Scatter diagram for verification of EUC value in mixed solution; (b) feature variables extracted by CMIC algorithm
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Table 1. Comparison of different MSG concentration detection models
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Table 2. Comparison of different IMP concentration detection models
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Table 3. Comparison of different EUC value detection models
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