Yuan-zhe CHEN, Qiao-hua WANG, Wen-qiang TIAN, Bu-yun XU, Jian-chao HU. Nondestructive Determinations of Texture and Quality of Preserved Egg Gel by Hyperspectral Method[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1985
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 6, 1985 (2022)
Fig. 1. Samples of preserved eggs in different qualities
Fig. 2. Hyperspectral imaging system
1: Computer; 2: Dark box; 3: Lights; 4: Lens;5: CCD camera; 6: Spectrograph; 7: Stepper motor
1: Computer; 2: Dark box; 3: Lights; 4: Lens;5: CCD camera; 6: Spectrograph; 7: Stepper motor
Fig. 3. Original (a) and mean (b) spectra of egg samples
Fig. 4. Parameter statistics of gel texture
Fig. 5. Correlation between hardness and spectral data transfer (a), correlation between springiness and spectral data transfer (b)
Fig. 6. (a) Two-dimensional correlation synchronization spectra of texture properties of preserved egg gel, (b) 3D stereo plots, (c) Autocorrelation spectra
Fig. 7. Hardness characteristic wavelength distribution (a), springiness characteristic wavelength distribution (b)
Fig. 8. Scatter plot of textural hardness prediction (a), scatter plot of springiness prediction (b)
Fig. 9. Confusion matrix of prediction results and ROC curves of different models
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Table 1. Maximum correlation coefficient and sensitive band of texture properties of preserved egg gel
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Table 2. Prediction results of PLSR models for hardness and springiness of preserved egg
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