Spectroscopy and Spectral Analysis, Volume. 41, Issue 8, 2572(2021)
On-Line Fast Detection Technology of Chilled Fresh Meat Quality Based on Hyperspectral and Multi-Parameter
Figures & Tables(10)
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
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
Table 1. Results of texture characteristic parameters
View tableView in ArticleTable 1. Results of texture characteristic parameters
质构特性 训练集 预测集 R2 RSD R2 RSD 粘聚性 0.597 6 0.095 2 0.554 7 0.087 3 回复性 0.562 3 0.117 6 0.507 4 0.214 8 胶着度 0.303 6 0.303 0 0.242 1 0.254 2 咀嚼度 0.272 0 0.310 4 0.255 5 0.320 6 弹性 0.440 6 0.043 0 0.201 0 0.050 3 硬度 0.464 6 0.187 2 0.309 5 0.260 5
Table 2. Results of different sample partitioning methods
View tableView in ArticleTable 2. Results of different sample partitioning methods
预处理
方法主成
分数训练集结果 预测集结果 R2 RSD R2 RSD 无 3 0.597 0.095 2 0.554 7 0.087 3 KS 3 0.592 8 0.097 1 0.596 6 0.081 8 SPXY 3 0.595 4 0.094 5 0.769 3 0.093 4
Table 3. Results of different pretreatment method
View tableView in ArticleTable 3. Results of different pretreatment method
质构参数 预处理方法 预测集结果 R2 RSD 粘聚性 D1st 0.720 6 0.097 3 D2st 0.750 6 0.089 0 SNV 0.814 3 0.122 9 MSC 0.739 7 0.112 9 回复性 D1st 0.724 4 0.171 0 D2st 0.867 4 0.099 4 SNV 0.819 9 0.175 1 MSC 0.731 5 0.123 4
Table 4. Modeling results after feature wavelength extraction
View tableView in ArticleTable 4. Modeling results after feature wavelength extraction
质构参数 波长/nm 预测集结果 R2 RSD 粘聚度 983 1 269 1 429 1 660 0.792 4 0.109 2 回复性 1 061 1 355 1 452 1 697 0.739 9 0.175 9
Table 5. Modeling results based on PLSR
View tableView in ArticleTable 5. Modeling results based on PLSR
TPA 预测集结果 R2 RMSEP 粘聚性 0.879 8 0.396 6 回复性 0.880 6 0.220 3
Table 6. Modeling results based on PCR
View tableView in ArticleTable 6. Modeling results based on PCR
TPA 预测集结果 R2 RMSEP 粘聚性 0.728 8 0.383 2 回复性 0.766 0 0.284 3
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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
Paper Information
Category: Research Articles
Received: Jul. 26, 2020
Accepted: --
Published Online: Sep. 8, 2021
The Author Email: FANG yao (cau_fangyao@foxmail.com)
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