Neighborhood Preserving Projections (NPP): A Novel Linear Dimension Reduction Method

@inproceedings{Pang2005NeighborhoodPP,
  title={Neighborhood Preserving Projections (NPP): A Novel Linear Dimension Reduction Method},
  author={Yanwei Pang and Lei Zhang and Zhengkai Liu and Nenghai Yu and Houqiang Li},
  booktitle={ICIC},
  year={2005}
}
【Abstract】Neighborhood Preserving Projections(NPP) is a method for unsupervised linear dimensionality reduction, which can preserve the local neighborhood structure on the data manifold. However, when NPP is applied to the classification tasks, it has some limitations such as ignorance of the class labels information. This paper proposes a novel subspace method named Supervised Neighborhood Preserving Projections(SNPP) for face recognition, in which local geometric relations are preserved… CONTINUE READING

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