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The Cartographer
Planar Ultrametric Rounding for Image Segmentation
July 09, 2015 Β· Declared Dead Β· π arXiv.org
"No code URL or promise found in abstract"
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Authors
Julian Yarkony, Charless C. Fowlkes
arXiv ID
1507.02407
Category
cs.DS: Data Structures & Algorithms
Cross-listed
cs.CG,
cs.CV
Citations
1
Venue
arXiv.org
Last Checked
4 months ago
Abstract
We study the problem of hierarchical clustering on planar graphs. We formulate this in terms of an LP relaxation of ultrametric rounding. To solve this LP efficiently we introduce a dual cutting plane scheme that uses minimum cost perfect matching as a subroutine in order to efficiently explore the space of planar partitions. We apply our algorithm to the problem of hierarchical image segmentation.
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