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Multilevel Spectral Partitioning for Efficient Image Segmentation and Tracking
Breckenridge, Colorado January 05-January 07
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ACVMOT.2005.83Seventh IEEE Workshops on Application ...
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David Tolliver, Carnegie Mellon University, Pittsburgh, PA
Robert T. Collins, Carnegie Mellon University, Pittsburgh, PA
Simon Baker, Carnegie Mellon University, Pittsburgh, PA
An efficient multilevel method for solving normalized cut image segmentation problems is presented. The method uses the lattice geometry of images to define a set of coarsened graph partitioning problems. This problem hierarchy provides a framework for rapidly estimating the eigenvectors of normalized graph Laplacians. Within this framework, a coarse solution obtained with a standard eigensolver is propagated to increasingly fine problem instances and refined using subspace iterations. Results are presented for image segmentation and tracking problems. The computational cost of the multilevel method is an order of magnitude lower than current sampling techniques and results in more stable image segmentations.
Citation:
David Tolliver, Robert T. Collins, Simon Baker, "Multilevel Spectral Partitioning for Efficient Image Segmentation and Tracking," wacv-motion, vol. 1, pp.414-420, Seventh IEEE Workshops on Application of Computer Vision (WACV/MOTION'05) - Volume 1, 2005
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