文章摘要
韩林杰,姜红,田陆川,赵静远,刘业林,牛奕,张永强.基于神经网络的塑料打包带高光谱模式识别[J].包装工程,2024,45(5):240-246.
HAN Linjie,JIANG Hong,TIAN Luchuan,ZHAO Jingyuan,LIU Yelin,NIU Yi,ZHANG Yongqiang.Hyperspectral Pattern Recognition of Plastic Packaging Tape Based on Neural Network[J].Packaging Engineering,2024,45(5):240-246.
基于神经网络的塑料打包带高光谱模式识别
Hyperspectral Pattern Recognition of Plastic Packaging Tape Based on Neural Network
投稿时间:2023-05-10  
DOI:10.19554/j.cnki.1001-3563.2024.05.029
中文关键词: 高光谱  塑料打包带  神经网络  模式识别
英文关键词: hyperspectral  plastic packaging tape  neural network  pattern recognition
基金项目:国家重点研发计划项目(2019YFF0303405);食品药品安全防控山西省重点实验室基金资助(202204010931006)
作者单位
韩林杰 中国人民公安大学 侦查学院北京 100038 
姜红 甘肃警察职业学院 刑事侦查系兰州 730046 
田陆川 中国人民公安大学 侦查学院北京 100038 
赵静远 江苏双利合谱科技有限公司江苏 无锡 214000 
刘业林 江苏双利合谱科技有限公司江苏 无锡 214000 
牛奕 江苏双利合谱科技有限公司江苏 无锡 214000 
张永强 江苏双利合谱科技有限公司江苏 无锡 214000 
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中文摘要:
      目的 建立一种快速、准确、无损的塑料打包带的检验及分类方法。方法 利用高光谱在波长为350~990 nm的条件下采集52个不同来源的塑料打包带样品的高光谱数据,并对样品进行Savitzky-Golay平滑处理,同时结合主成分分析对样品进行降维。将提取到的主成分进行K-Means聚类,以聚类结果为依据建立径向基函数神经网络(RBFNN)与BP神经网络模型(BPNN)。结果 打包带样品的高光谱谱图在400~500 nm、600~700 nm处有较大区别。实验共提取了5个初始特征值大于1的主成分,可以解释96.633%的原始数据。通过K-means聚类将塑料打包带样品分为6类,Calinski-Harabasz指数为28.76,RBFNN分类准确率为86.7%;BPNN分类准确率为98.1%,BPNN的分类效果更好。结论 研究表明神经网络在高光谱谱图分类处理上具有较高的准确度,同时也验证了高光谱在区分检验塑料打包带类物证的可行性与科学性,为公安机关提供了一种新的检验方法。
英文摘要:
      The work aims to establish a fast, accurate, and non-destructive inspection and classification method for plastic packaging tapes. 52 samples of plastic packaging tape were collected from different sources through hyperspectral data in the wavelength range of 350-990 nm, and the samples were smoothed with Savitzky Golay. Principal component analysis was also used to reduce the dimensionality of the samples. K-Means clustering was conducted on the extracted principal components, and a radial basis function neural network (RBFNN) and BP neural network model (BPNN) was established based on the clustering results. There were significant differences in the hyperspectral spectra of the packaged sample at 400-500 nm and 600-700 nm. A total of 5 principal components with initial feature values greater than 1 were extracted in the experiment, which could explain 96.633% of the original data. The plastic packaging tape samples were clustered into 6 categories, with a Calinski Harabasz index of 28.76 for K-means and a classification accuracy of 86.7% for RBFNN. The classification accuracy of BPNN was 98.1%. BPNN had better classification performance. Research has shown that neural network has high accuracy in the classification and processing of hyperspectral spectra, and it has also verified the feasibility and scientificity of hyperspectral recognition in the detection of plastic packaging tape type evidence, providing a new inspection method for public security organs.
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