A Face Location Algorithm Robust to Complex Lighting Conditions

  • Authors:
  • Robert Mariani

  • Affiliations:
  • -

  • Venue:
  • AVBPA '01 Proceedings of the Third International Conference on Audio- and Video-Based Biometric Person Authentication
  • Year:
  • 2001

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Abstract

In this paper, we present a face location system in a complex background and robust to a wide range of lighting conditions, likely to appear in an indoor environment. The complete system contains two parts: the face locator and the face tracker. We will only describe the face locator. Face hypothesis are obtained combining a pyramidal grey-level template matching and a geometrical measure based on the facial feature organization. Classification to face or non-face is realized by linear discriminant analysis (LDA) on the principal components analysis (PCA) of a 26-dimensional feature vector extracted from the face hypothesis. Experiments on 1500 images in a cluttered background with 12 lighting conditions are very encouraging.