Planar Ultrametrics for Image Segmentation

NeurIPS 2015 Julian E. YarkonyCharless Fowlkes

We study the problem of hierarchical clustering on planar graphs. We formulate this in terms of finding the closest ultrametric to a specified set of distances and solve it using an LP relaxation that leverages minimum cost perfect matching as a subroutine to efficiently explore the space of planar partitions... (read more)

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