MELON SEED VARIETY IDENTIFICATION BASED ON HYPERSPECTRAL TECHNOLOGY COMBINED WITH DISCRIMINANT ANALYSIS

文献类型： 外文期刊

第一作者： Li, Cuiling

作者： Li, Cuiling;Fan, Pengfei;Jiang, Kai;Wang, Xiu;Feng, Qingchun;Zhang, Chunfeng;Li, Cuiling;Fan, Pengfei;Jiang, Kai;Wang, Xiu;Feng, Qingchun;Zhang, Chunfeng

作者机构：

关键词： Melon seed;Variety identification;Hyperspectral technology;Discriminant analysis

期刊名称：BANGLADESH JOURNAL OF BOTANY （ 影响因子：0.308； 五年影响因子：0.348 ）

ISSN： 0253-5416

年卷期： 2017 年 46 卷 3 期

页码：

收录情况： SCI

摘要： Impurity of melon seed variety causes harm to melon production. Hyperspectral technology combined with discriminant analysis was used to identify melon seed varieties at a non-destructive faster rate. A simple hyperspectral imaging system was developed to collect hyperspectral information of melon seeds. It included a light source unit, a hyperspectral image acquisition unit and a data processing unit. Hyperspectral images of melon seeds were calibrated and reflective spectral information was extracted from images. Multiple scattering correction (MSC), standard normal variable (SNV) transform, first derivative (FD) and Savitzky-Golay (SG) convolution smoothing were carried out. Effects of pre-treatment method were obvious, they mainly eliminated the impacts of surface scattering and optical path change, removed baseline drift and fine white noise. Carrying out SG, MSC, SNV and FD pre-treatments at the same time contributed greatly to discriminant effect. Principal component analysis (PCA) reduced the dimensions of spectral data and extract principal components. Fisher discriminant analysis and distance discriminant analysis generated good and similar discriminant effects, their discriminant accuracies were both higher than 90.0% for validation set. Research results showed that using hyperspectral technology combined with discriminant analysis could realize fast and non-destructive identification of melon seed variety

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