基于PCA-SVM的合成色素SERS信号判别
SERS Signal Discrimination of Synthetic Pigment Based on PCA-SVM
DOI: 10.12677/CSA.2020.103045, PDF,    科研立项经费支持
作者: 段凌风, 王兆聪, 寿彬鑫, 王李冬*：杭州师范大学钱江学院，浙江 杭州
关键词: SERS；主成分分析；支持向量机；色素；SERS； PCA； SVM； Pigment
摘要: 表面增强拉曼光谱(SERS)是一种新型的物质检测技术，有快速、高效、低损耗率等优点。在进行成分分析时，具有相似结构的待分析物的SERS光谱会出现堆叠的情况，难以采用常规方法区分这类物质。本文基于主成分分析法(PCA)和支持向量机(SVM)相结合的模型对光谱进行分类预测，以同类型的可食用人工合成色素为例，运用SERS和PCA-SVM模型，验证了该分类模型的有效性。结果表明，该方法对不同色素预测的准确度高达98%，且所呈现的结果基本与预期结果相同，具有良好的分类效果。为相似结构物质的SERS信号处理提供依据。
Abstract: Surface enhanced Raman spectroscopy (SERS) is a novel substance detection technology, which has the advantages of fast, high efficiency, and low loss rate. In the analysis of components, it is difficult to distinguish them by conventional means because of the high overlapping of SERS spectra of analytes with similar structures. In this paper, based on the combination of principal component analysis (PCA) and support vector machine (SVM) model to classify and predict the spectrum, taking the edible synthetic pigment of the same type as an example, using SERS and PCA-SVM model to verify the effectiveness of the classification model, the results show that the accuracy of this method is as high as 98%, and the results are basically the same as expected. It provides a basis for SERS signal processing of similar structure substances.
文章引用：段凌风, 王兆聪, 寿彬鑫, 王李冬. 基于PCA-SVM的合成色素SERS信号判别[J]. 计算机科学与应用, 2020, 10(3): 437-444. https://doi.org/10.12677/CSA.2020.103045

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