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  • Xiaofei He, Partha Niyogi
  • Computer Science
  • NIPS
  • 2003 (First Publication: 9 December 2003)
  • Many problems in information processing involve some form of dimensionality reduction. In this paper, we introduce Locality Preserving Projections (LPP). These are linear projective maps that ariseExpand
  • Xiaofei He, Deng Cai, Partha Niyogi
  • Computer Science
  • NIPS
  • 2005 (First Publication: 5 December 2005)
  • Previous work has demonstrated that the image variations of many objects (human faces in particular) under variable lighting can be effectively modeled by low dimensional linear spaces. The typicalExpand