An elliptical head tracker

  • Stan Birchfield
  • Published 1997 in
    Conference Record of the Thirty-First Asilomar…


A simple algorithm for tracking a person's head is presented. A two-dimensional model, namely an ellipse, is used to approximate the head's contour. When a new image becomes available, a local search determines the position and size of the best ellipse by maximizing the normalized sum of the image gradient magnitude around the perimeter of the ellipse. The… (More)

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