Comparison of spectral-only and spectral/spatial face recognition for personal identity verification

  • Authors:
  • Zhihong Pan;Glenn Healey;Bruce Tromberg

  • Affiliations:
  • Galileo Group Inc., Melbourne, FL;Department of Electrical Engineering and Computer Science, University of California, Irvine, CA;Beckman Laser Institute, Irvine, CA

  • Venue:
  • EURASIP Journal on Advances in Signal Processing - Special issue on recent advances in biometric systems: a signal processing perspective
  • Year:
  • 2009

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Abstract

Face recognition based on spatial features has been widely used for personal identity verification for security-related applications. Recently, near-infrared spectral reflectance properties of local facial regions have been shown to be sufficient discriminants for accurate face recognition. In this paper, we compare the performance of the spectral method with face recognition using the eigenface method on single-band images extracted from the same hyperspectral image set. We also consider methods that use multiple original and PCA-transformed bands. Lastly, an innovative spectral eigenfacemethod which uses both spatial and spectral features is proposed to improve the quality of the spectral features and to reduce the expense of the computation. The algorithms are compared using a consistent framework.