ESTIMATION OF NICOTINE CONTENT IN TOBACCO LEAVES BASED ON HYPERSPECTRAL IMAGING

文献类型： 外文期刊

第一作者： Dou, Y. Q.

作者： Dou, Y. Q.;Yuan, X. L.;Dou, Y. Q.;Li, X. J.;Cheng, S.;Liu, Y.

作者机构：

关键词： flue-cured tobacco;spectral reflectance;chemical composition;inversion model;prediction

期刊名称：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH （ 影响因子：0.711； 五年影响因子：0.796 ）

ISSN： 1589-1623

年卷期： 2017 年 15 卷 4 期

页码：

收录情况： SCI

摘要： We used spectroradiometry to rapidly and nondestructively predict the nicotine content in fluecured tobacco leaves and obtained hyperspectral images of tobacco leaves during the squaring development stage at field conditions. We tested the nicotine content in the lab and analyzed correlations between 28 hyperspectral characteristic parameters and the nicotine content of tobacco leaves to establish inversion models. The result showed that (SDr-Sy)/(SDr+Sy), Rg/Ro, and (Rg-Ro)/(Rg+Ro) provided good correlations for the nicotine content; an inversion model based on (SDr-Sy)/(SDr+Sy) in relation to the nicotine content, Y=-4.2628+5.8974X((SDr-Sy)/(SDr+Sy)) -1.3260X((SDr-Sy)/(SDr+Sy))2, and a multiple regression model based on Rg/Ro, (SDr-Sy)/(SDr+Sy) in relation to the nicotine content, Y=0.4753+1.6982 X(SDr-Sy)/(SDr+Sy) -0.1616X(Rg/Ro), could be used to predict the nicotine content of flue-cured tobacco leaves during the squaring stage.

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