Multiple hypothesis video segmentation from superpixel flows

  • Authors:
  • Amelio Vazquez-Reina;Shai Avidan;Hanspeter Pfister;Eric Miller

  • Affiliations:
  • School of Engineering and Applied Sciences, Harvard University, MA and Department of Computer Science, Tufts University, MA;Adobe Systems Inc.;School of Engineering and Applied Sciences, Harvard University, MA;Department of Computer Science, Tufts University, MA

  • Venue:
  • ECCV'10 Proceedings of the 11th European conference on Computer vision: Part V
  • Year:
  • 2010

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Abstract

Multiple Hypothesis Video Segmentation (MHVS) is a method for the unsupervised photometric segmentation of video sequences. MHVS segments arbitrarily long video streams by considering only a few frames at a time, and handles the automatic creation, continuation and termination of labels with no user initialization or supervision. The process begins by generating several pre-segmentations per frame and enumerating multiple possible trajectories of pixel regions within a short time window. After assigning each trajectory a score, we let the trajectories compete with each other to segment the sequence. We determine the solution of this segmentation problem as the MAP labeling of a higher-order random field. This framework allows MHVS to achieve spatial and temporal long-range label consistency while operating in an on-line manner. We test MHVS on several videos of natural scenes with arbitrary camera and object motion.