Orthogonal discriminant local tangent space alignment

  • Authors:
  • Ying-Ke Lei;Hong-Jun Wang;Shan-Wen Zhang;Shu-Lin Wang;Zhi-Guo Ding

  • Affiliations:
  • State Key Lab. of Pulsed Power Laser Techn., Electronic Eng. Inst., Hefei, Anhui, China and Int. Computing Lab, Inst. of Int. Machines, Chinese Academy of Sciences, Hefei, Anhui, China and Dept. o ...;State Key Laboratory of Pulsed Power Laser Technology, Electronic Engineering Institute, Hefei, Anhui, China;Intelligent Computing Lab, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui, China;Intelligent Computing Lab, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui, China and School of Computer and Communication, Hunan University, Changsha, Hunan, China;State Key Laboratory of Pulsed Power Laser Technology, Electronic Engineering Institute, Hefei, Anhui, China

  • Venue:
  • ICIC'10 Proceedings of the 6th international conference on Advanced intelligent computing theories and applications: intelligent computing
  • Year:
  • 2010

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Abstract

In this paper, a novel linear subspace leaning algorithm called orthogonal discriminant local tangent space alignment (O-DLTSA) is proposed. Derived from local tangent space alignment (LTSA), O-DLTSA not only inherits the advantages of LTSA which uses local tangent space as a representation of the local geometry so as to preserve the local structure, but also makes full use of class information and orthogonal subspace to improve discriminant power. The experimental results of applying O-DLTSA to standard face databases demonstrate the effectiveness of the proposed method.