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VIEW INDEPENDENT FACE RECOGNITION BASED ON KERNEL PRINCIPAL COMPONENT ANALYSIS OF LOCAL PARTS

机译:基于内核主成分分析的基于内核主体分析的独立面部识别

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This paper presents a view independent face recognition method based on kernel principal component analysis (KPCA) of local parts. View changes induce large variation in feature space of global features. However, in the case of local features, the influence of view changes is little. If the similarities with local parts are used in classification well, it is expected that view independent recognition is realized with small number of training views. Kernel based methods are appropriate for this purpose because they can use the similarities with training local parts in classification directly. In this paper, KPCA is used to construct the feature space specialized for local parts of each subject. To classify an input, the similarities of local parts cropped from the input are computed in eigen space. Voting, summation, and median rules are used to combine the similarities of all local parts. The performance of the proposed method is evaluated by using the face images of 300 subjects with 5 views. Although only frontal and profile views are used in training, the recognition rates to unknown views are over 90%.
机译:本文介绍了基于内核主成分分析(KPCA)的视图独立的人脸识别方法。查看变更诱导全局功能的特征空间的大变化。然而,在局部特征的情况下,观察变化的影响很少。如果与本地部件的相似性在分类中使用,预计会有少量培训视图实现独立识别。基于内核的方法适用于此目的,因为它们可以使用与培训本地部分直接进行培训的相似之处。在本文中,KPCA用于构建专门针对每个受试者的本地部分的特征空间。为了对输入进行分类,从输入裁剪的本地部分的相似性在特征空间中计算。投票,总和和中位规则用于结合所有本地部分的相似性。通过使用5个视图的300个受试者的面部图像来评估所提出的方法的性能。虽然只用于训练中的额度和配置文件视图,但是未知视图的识别率超过90%。

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