Abstract

Neighborhood Preserving Embedding (NPE) is a subspace learning algorithm. Since NPE is a linear approximation to Locally Linear Embedding (LLE) algorithm, it has good neighborhood-preserving properties. Although NPE has been applied in many fields, it has limitations to solve recognition task. In this paper, a novel subspace method, named Kernel Fisher Neighborhood Preserving Embedding (KFNPE), is proposed. In this method, discriminant information as well as the intrinsic geometry relations of the local neighborhoods are preserved according to prior class-label information. Moreover, complex nonlinear variations of real face images are represented by nonlinear kernel mapping. Experimental results on ORL face database demonstrate the effectiveness of the proposed method.KeywordsFace RecognitionLinear Discriminant AnalysisFace ImageLocally Linear EmbeddingDiscriminant InformationThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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