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Segmentation and Factorization-Based
Motion and Structure Estimation
for Long Image Sequences


Chris Debrunner and Narendra Ahuja

Computer Vision & Robotics Lab
University of Illinois at Urbana-Champaign


Two integrated parts

  1. Hankel Matrix/Factorization based Motion and Structure Estimation
  2. Motion Segmentation


Examples of Results
  • Multiple Object Motion (Watch Video 3.0MB)
    • Rotating Cylinder Image Sequence
    • Computed Trajectories
    • Structure computed for cylinder

  • Articulated Motion (Watch Video 1.3MB)
    • Robot Arm Image Sequence
    • Computed Trajectories
    • Sturcture Computed for Third Arm Segment
    • Sturcture Computed for Second Arm Segment


Related Publications
  1. C. Debrunner and N. Ahuja, "Segmentation and Factorization-Based Motion and Structure Estimation for Long Image Sequences", In IEEE Trans. Pattern Analysis and Machine Intelligence, Vol. 20, No. 2, February 1998, 206-211.




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