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- W2062316447 abstract "K-local hyperplane distance nearest neighbor (HKNN) classifier is an improved K-nearest neighbor (KNN) algorithm that has been successfully applied to pattern classification. This paper embeds the decision rule of HKNN classifier into the discriminant analysis model to develop a new feature extractor. The obtained feature extractor is called K-local hyperplane distance nearest neighbor classifier oriented local discriminant analysis (HOLDA), in which a regularization item is imposed on the original HKNN algorithm to obtain a more reliable distance metric. Based on this distance metric, the homo-class and hetero-class local scatters are characterized in HOLDA. By maximizing the ratio of the hetero-class local scatter to the homo-class local scatter, we obtain a subspace which is suitable for feature extraction and classification. In general, this paper provides a framework for building a feature extractor from the decision rule of a classifier. By this means, the feature extractor and classifier can be seamlessly integrated. Experimental results on four databases demonstrate that the integrated pattern recognition system is effective." @default.
- W2062316447 created "2016-06-24" @default.
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- W2062316447 date "2013-05-01" @default.
- W2062316447 modified "2023-09-26" @default.
- W2062316447 title "K-local hyperplane distance nearest neighbor classifier oriented local discriminant analysis" @default.
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- W2062316447 doi "https://doi.org/10.1016/j.ins.2012.12.045" @default.
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