Tracking of Moving Heads in Cluttered Scenes from Stereo Vision

  • Authors:
  • Ruijiang Luo;Yan Guo

  • Affiliations:
  • -;-

  • Venue:
  • RobVis '01 Proceedings of the International Workshop on Robot Vision
  • Year:
  • 2001

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Abstract

Tracking a number of persons moving in cluttered scenes is an important issue in computer vision. It is the first step of automatic video-based surveillance systems. In this paper we present a binocular vision system using stereo information for moving head detection and tracking. After background subtraction, the remained foreground disparity image is used as a mask to delete background clutter as well as to reduce the search space, which greatly improve the tracking performance when occlusion happens. With a local sampling method together with the stereo information obtained, we are now able to reliably detect and track people in cluttered natural environments at about 5 Hz on standard PC hardware.