基于激光诱导击穿光谱的脐橙产地鉴别

饶刚福; 黄林; 刘木华; 陈添兵; 陈金印; 罗子奕; 许方豪; 何秀文; 周华茂; 林金龙; 姚明印

doi:doi:10.3788/lop55.093003

激光与光电子学进展, 2018, 55 (9): 093003, 网络出版: 2018-09-08

基于激光诱导击穿光谱的脐橙产地鉴别下载： 504次

Origin Identification of Navel Orange Based on Laser Induced Breakdown Spectroscopy

论文大纲

饶刚福 ^1,2黄林 ^1,2刘木华 ^1,2陈添兵 ^1,2陈金印 ^1,2罗子奕 ^1,2许方豪 ^1,2何秀文 ^1,2周华茂 ^1,2林金龙 ^1,2姚明印 ^1,2

作者单位

¹ 江西省果蔬采后处理关键技术及质量安全协同创新中心, 江西南昌 330045

² 2江西省现代农业装备重点实验室, 江西南昌 330045

光谱学脐橙产地鉴别等离子体羽 spectroscopy navel orange origin identification LIBS LIBS PCA-MLP PCA-MLP plasma plume

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摘要

为了对脐橙产地进行快速鉴别, 提出了激光诱导击穿光谱(LIBS)全光学诊断方法。选取江西赣州4区县及湖北、四川等6省市共10产地的纽荷尔脐橙, 清洗表皮后直接采集等离子体羽时间演变形貌图及LIBS光谱, 定性分析脐橙产地鉴别的可行性; 采用15点平滑结合多元散射处理(15SM+MSC)预处理脐橙的LIBS光谱, 分别运用主成分分析(PCA)、主成分分析结合多层感知器神经网络(PCA-MLP)鉴别脐橙产地。实验结果显示：采用一定的数据预处理方法结合PCA-MLP对全国7省市大地域范围脐橙产地鉴别的训练集总准确率为97.8%, 预测集总准确率为95.3%; 对赣州4区县小地域范围脐橙产地鉴别的训练集总准确率为100%, 预测集总准确率为96.2%。这说明, 采用合适的数据预处理及分类模型对脐橙产地进行快速鉴别具有一定的可行性。

Abstract

Laser induced breakdown spectroscopy (LIBS) is proposed to discriminate origins of navel oranges. A series of 10 origins of navel oranges which from four counties of Ganzhou in Jiangxi and other six provinces are selected. After cleaning the skin of navel oranges, the images of plasma are collected by ICCD camera and LIBS spectra are obtained by spectrometers to qualitatively analyze the feasibility of origin identification of navel oranges. Furthermore, fifteen points smoothing and multiple scattering correction (15SM+MSC) are utilized to preprocess the LIBS data. And principal component analysis (PCA) and PCA-MLP(multi-layer perceptron) are used to discriminate the origins of navel oranges. The investigation shows that the PCA-MLP model coupled with suitable data processing methods can not only identify origins of navel oranges which from seven provinces in a large area, but also identify origins of navel oranges which from four counties within a small area. The accuracy is 97.8% for origins of navel oranges which from seven provinces by evaluating LIBS spectra in training set, and 95.3% in test set. And the accuracy is 100% for origins of navel oranges which from four counties by evaluating LIBS spectra in training set, and 96.2% in test set. It is potential in differentiating origins of navel oranges by analyzing LIBS spectra.

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饶刚福, 黄林, 刘木华, 陈添兵, 陈金印, 罗子奕, 许方豪, 何秀文, 周华茂, 林金龙, 姚明印. 基于激光诱导击穿光谱的脐橙产地鉴别[J]. 激光与光电子学进展, 2018, 55(9): 093003. Rao Gangfu, Huang Lin, Liu Muhua, Chen Tianbing, Chen Jinyin, Luo Ziyi, Xu Fanghao, He Xiuwen, Zhou Huamao, Lin Jinlong, Yao Mingyin. Origin Identification of Navel Orange Based on Laser Induced Breakdown Spectroscopy[J]. Laser & Optoelectronics Progress, 2018, 55(9): 093003.

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