On-line selection of discriminative tracking features

R. Collins,Yanxi Liu

Published 2003 in Proceedings Ninth IEEE International Conference on Computer Vision

ABSTRACT

We present a method for evaluating multiple feature spaces while tracking, and for adjusting the set of features used to improve tracking performance. Our hypothesis is that the features that best discriminate between object and background are also best for tracking the object. We develop an online feature selection mechanism based on the two-class variance ratio measure, applied to log likelihood distributions computed with respect to a given feature from samples of object and background pixels. This feature selection mechanism is embedded in a tracking system that adaptively selects the top-ranked discriminative features for tracking. Examples are presented to illustrate how the method adapts to changing appearances of both tracked object and scene background.

PUBLICATION RECORD

  • Publication year

    2003

  • Venue

    Proceedings Ninth IEEE International Conference on Computer Vision

  • Publication date

    2003-10-13

  • Fields of study

    Mathematics, Computer Science

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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