Real-Time Tracking of Multiple Moving Objects in Moving Camera Image Sequences Using Robust Statistics

  • Authors:
  • Affiliations:
  • Venue:
  • ICPR '98 Proceedings of the 14th International Conference on Pattern Recognition-Volume 2 - Volume 2
  • Year:
  • 1998

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Abstract

In this paper, we propose a new method for detection and tracking of moving objects from a moving camera image sequence using robust statistics and active contour models. we assume that the apparent background motion between two consecutive image frames can be approximated by affine transformation. In order to register the static background, we estimate affine transformation parameters using LMedS (Least Median of Squares) method which is a kind of robust statistics. Split-and-merge contour models are employed for tracking multiple moving objects which have been recently proposed by the authors. Image energy of contour models is defined based on the image which is obtained by subtracting the previous frame transformed with estimated affine parameters from the current frame. We have implemented the method on an image processing system which consists of DSP boards for real-time tracking of moving objects from a moving camera image sequence.