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Face Recognition from Long-Term Observations

  • Gregory Shakhnarovich
  • John W. Fisher
  • Trevor Darrell
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2352)

Abstract

We address the problem of face recognition from a large set of images obtained over time - a task arising in many surveillance and authentication applications. A set or a sequence of images provides information about the variability in the appearance of the face which can be used for more robust recognition. We discuss different approaches to the use of this information, and show that when cast as a statistical hypothesis testing problem, the classification task leads naturally to an information-theoretic algorithm that classifies sets of images using the relative entropy (Kullback-Leibler divergence) between the estimated density of the input set and that of stored collections of images for each class. We demonstrate the performance of the proposed algorithm on two medium-sized data sets of approximately frontal face images, and describe an application of the method as part of a view-independent recognition system.

Keywords

Face Recognition Face Image Combination Rule Virtual View Active Appearance Model 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Gregory Shakhnarovich
    • 1
  • John W. Fisher
    • 1
  • Trevor Darrell
    • 1
  1. 1.Artificial Intelligence LaboratoryMassachusetts Institute of TechnologyUSA

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