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Pan, Liulei; Li, Hao; Zhao, Juan
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 12/2023, Letnik: 302Journal Article
Display omitted •A new index for evaluating the ripening of apples is proposed: VRPI.•The VRPI is an integration of several apple parameters and correlates with other ripeness indices.•Fusing and correcting models can improve the performance of VRPI prediction under seasonal variations.•This index shows promise for application to other fruits. Apple ripeness assessment is essential to ensure its post-harvest commercial value, and the visible/near-infrared(NIR) spectral models that are effective in achieving this goal are prone to failure due to seasonal or instrumental factors. This study has proposed a visual ripeness index (VRPI) determined by parameters such as soluble solids, titratable acids, etc., which vary during the ripening period of the apple. The R and RMSE of the index prediction model based on the 2019 sample were 0.871 to 0.913 and 0.184 to 0.213 respectively. The model failed to predict the next two years of the sample, which was effectively addressed by model fusion and correction. For the 2020 and 2021 samples, the revised model improves R by 6.8% and 10.6% and reduces RMSE by 52.2% and 32.2% respectively. The results showed that the global model is adapted to the correction of the VRPI spectral prediction model under seasonal variation.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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