基于支持向量机的未知物体分类方法研究
首发时间:2019-06-03
摘要:针对MNIST手写体数字集,本文利用线性判别分析方法提取出各手写体数字图像的特征向量,并根据该特征向量设计出应用于鬼成像系统的特征散斑,通过支持向量机方法完成由少量特征散斑照射到训练手写数字体集的分类。针对未知物体,通过获取少量特征散斑照射后鬼成像系统桶探测器的值,可直接获得未知物体的分类。对10000幅手写数字图像集进行仿真实验,结果表明本方法的分类平均准确率可达到91.62%,同时利用9个鬼成像特征散斑即可完成对未知手写体数字集有效分类。
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Research on classification method of unknown objects based on support vector machine
Abstract:For the MNIST database of handwritten digits. In this paper uses linear discriminant analysis to extract feature vectors of handwritten digital images, and design feature patterns according to relevant characteristics, in order to make the bucket detector values of the feature patterns illumination more discriminating. And then the training set image illuminated by feature patterns and collecting light field signals with barrel detectors. Later, input the collected signals into the SVM for training. Finally, we only need to collect the light field signals, which from the feature patterns illuminates the unknown image, to complete the classification. Through the simulation of 10,000 handwritten digital images, this method of classification accuracy reached 91.62%. And only 9 ghost imaging feature patterns are needed to effectively classify unknown handwritten digit sets.
Keywords: ghost imaging linear discriminant analysis machine learning support vector machine classification
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