Determination of internal qualities of Newhall navel oranges based on NIR spectroscopy using machine learning
文献类型: 外文期刊
第一作者: Liu, Cong
作者: Liu, Cong;Yang, Simon X.;Liu, Cong;Deng, Lie
作者机构:
关键词: Near infrared spectroscopy;Food quality;Machine learning
期刊名称:JOURNAL OF FOOD ENGINEERING ( 影响因子:5.354; 五年影响因子:5.144 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Approaches using machine learning methods were investigated systematically to determine the internal quality parameters of Newhall navel oranges based on near infrared (NIR) spectroscopy. Each stage of the approach was investigated extensively and with full comparison. To ensure credibility and robustness, a much larger sample set than previous studies was obtained. Furthermore, the prediction performance of three kinds of NIR spectra (equatorial surface spectra, distal end surface spectra and juice spectra) were evaluated and compared. By using an optimal machine learning approach, all three kinds of spectra yielded promising results for quality measurements. The obtained results were better than that in most previous studies. The equatorial surface spectra performed slightly but consistently better than the distal end spectra. The juice spectra performed best in predicting most internal quality parameters. But in predicting the vitamin C content, the juice spectra performed worse than the surface spectra, which indicated that the prediction with NIRS might result from indirect factors. (C) 2015 Elsevier Ltd. All rights reserved.
分类号: TS2
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