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基于K近邻决策边界的特征提取*

, PP. 649-653

Keywords: 决策边界分析(DBA),特征提取,最近邻,支持向量机(SVM)

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Abstract:

为了提高特征的分类性能,提出一种基于K近邻的决策边界分析(KNN-DBA)算法.该算法的决策边界由K近邻分类器决定,提取的特征维数不受类别数的限制,算法简单且速度快.在手写数字样本集USPS和UCI中的PenDigits上用最近邻分类器和支持向量机(SVM)对决策边界分析进行验证,实验结果表明KNN-DBA识别性能优于主成分分析和基于SVM的决策边界分析.

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