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核最近邻凸包分类算法

DOI: 10.11834/jig.20070722

Keywords: 核最近邻凸包分类,最近邻凸包分类,模式识别,人脸识别

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Abstract:

为了增强最近邻凸包分类器的非线性分类能力,提出了基于核函数方法的最近邻凸包分类算法。该算法首先利用核函数方法将输入空间映射到高维特征空间,然后在高维特征空间采用最近邻凸包分类器对样本进行分类。最近邻凸包分类器是一类以测试点到各类别凸包的距离为相似性度量,并按最近邻原则归类的分类算法。人脸识别实验结果证实,这种核函数方法与最近邻凸包分类算法的融合是可行的和有效的。

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