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http://hdl.handle.net/2067/46970
Title: | Pine nut species recognition using NIR spectroscopy and image analysis | Authors: | Moscetti, Roberto Berhe, Daniel Hagos Agrimi, Mariagrazia Haff, Ron P. Liang, Peishih Ferri, Serena Monarca, Danilo Massantini, Riccardo |
Journal: | JOURNAL OF FOOD ENGINEERING | Issue Date: | 2021 | Abstract: | NIR spectroscopy and physical properties derived from image analysis were evaluated as potential features for the classification of seed kernels from two pine nut species (P. pinea L. and P. sibirica Du Tour) using Partial Least Squares Discriminant Analysis (PLS-DA). Model performances were evaluated in terms of specificity, sensitivity and accuracy. Data pre-treatments were essential for achieving excellent performances (accuracy rate > 95%) in all tests. The interval PLS-DA highlighted that the most important features for (1) the NIR method were the absorption bands at 1640–1658, 1720–1738 and 1880–1998 nm, while for (2) the image analysis were kernel eccentricity, kernel major axis length, kernel lightness (L*) and kernel perimeter. The results demonstrate potential of both techniques for discriminating the two pine nut species. |
URI: | http://hdl.handle.net/2067/46970 | ISSN: | 0260-8774 | DOI: | 10.1016/j.jfoodeng.2020.110357 | Rights: | Attribution-NonCommercial-NoDerivatives 4.0 International |
Appears in Collections: | A1. Articolo in rivista |
Files in This Item:
File | Description | Size | Format | |
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pinenuts.pdf | 571.14 kB | Adobe PDF | View/Open | |
1-s2.0-S026087742030443X-main.pdf | 728.28 kB | Adobe PDF | View/Open |
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