Multiple Hypothesis Target Tracking Using Merge and Split of Graph’s Nodes

  • Yunqian Ma
  • Qian Yu
  • Isaac Cohen
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4291)


In this paper, we propose a maximum a posteriori formulation to the multiple target tracking problem. We adopt a graph representation for storing the detected regions as well as their association over time. The multiple target tracking problem is formulated as a multiple paths search in the graph. Due to the noisy foreground segmentation, an object may be represented by several foreground regions and one foreground region may corresponds to multiple objects. We introduce merge, split and mean shift operations that add new hypothesis to the measurement graph in order to be able to aggregate, split detected blobs or re-acquire objects that have not been detected during stop-and-go-motion. To make full use of the visual observations, we consider both motion and appearance likelihood. Experiments have been conducted on both indoor and outdoor data sets, and a comparison has been carried to assess the contribution of the new tracker.


Tracking Algorithm Appearance Model Shift Operation Foreground Region Probabilistic Data Association 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Yunqian Ma
    • 1
  • Qian Yu
    • 2
  • Isaac Cohen
    • 1
  1. 1.Honeywell LabsMinneapolis
  2. 2.Institue for Robotics and Intelligent SystemsUniversity of Southern California 

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