Hyperspectral imaging technology for determination of dichlorvos residue on the surface of navel orange |
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| Authors: | Jing Li Long Xue Muhua Liu Xiao Wang Chunsheng Luo School of Engineering Jiangxi Agricultural University Nanchang China School of Mechanical Electronical Engineering East China Jiaotong University Nanchang China |
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| Institution: | Jing Li 1,Long Xue 2,Muhua Liu 1,Xiao Wang 1,and Chunsheng Luo 1 1 School of Engineering,Jiangxi Agricultural University,Nanchang 330045,China 2 School of Mechanical and Electronical Engineering,East China Jiaotong University,Nanchang 330013,China |
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| Abstract: | A hyperspectral imaging system is developed to detect dichlorvos residue on the surface of navel orange.After acquiring hyperspectral images of 400 navel oranges,the actual content of dichlorvos residue is measured by gas chromatography.Optimal wavelengths are extracted using the regression coefficients of partial least squares (PLS),and a PLS model with 12 factors is established.In the prediction set of 0.2282 11.652-mg/kg pesticide residue,the correlation coefficient and the root mean standard error are 0... |
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