yao FANG, Tian-hua XIE, Wei GUO, Xue-bing BAI, Xin-xing LI. On-Line Fast Detection Technology of Chilled Fresh Meat Quality Based on Hyperspectral and Multi-Parameter[J]. Spectroscopy and Spectral Analysis, 2021, 41(8): 2572
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 8, 2572 (2021)
Fig. 1. Curve of different texture parameters changing with time
(a): Hardness over time; (b): Resilience of hardness over time; (c): Chewiness of hardness over time;(d): Cohesivencess of hardness time; (e): Stalemate of hardness over time; (f): Resilience of hardness over time
(a): Hardness over time; (b): Resilience of hardness over time; (c): Chewiness of hardness over time;(d): Cohesivencess of hardness time; (e): Stalemate of hardness over time; (f): Resilience of hardness over time
Fig. 2. Raw spectral curve of chilled beef
Fig. 3. Optimal wavelength selected by SPA
Fig. 4. Regression model of TPA
(a): Scatter plots of true and predicted values of cohesivencess;(b): Scatter plots of ture and predicted values of resilience
(a): Scatter plots of true and predicted values of cohesivencess;(b): Scatter plots of ture and predicted values of resilience
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Table 1. Results of texture characteristic parameters
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Table 2. Results of different sample partitioning methods
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Table 3. Results of different pretreatment method
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Table 4. Modeling results after feature wavelength extraction
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Table 5. Modeling results based on PLSR
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Table 6. Modeling results based on PCR
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