Hypersurface fitting via jacobian nonlinear PCA on riemannian space

  • Authors:
  • Jun Fujiki;Shotaro Akaho

  • Affiliations:
  • National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan;National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan

  • Venue:
  • CAIP'11 Proceedings of the 14th international conference on Computer analysis of images and patterns - Volume Part I
  • Year:
  • 2011

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Abstract

The subspace fitting method based on usual nonlinear principle component analysis (NLPCA), which minimizes the square distance in feature space, sometimes derives bad estimation because it does not reflect themetric on input space. To alleviate this problem, authors proposed the subspace fitting method based on NLPCA with considering the metric on input space, which is called Jacobian NLPCA. The proposed method is efficient when the metric of input space is defined. The proposed method can be rewritten as kernel method as explained in the paper.