@inproceedings{planarultrametricsforimagesegmentation,
  title = {Planar Ultrametrics for Image Segmentation},
  author = {Julian E. Yarkony and Charless Fowlkes},
  year = {2015},
  booktitle = {NeurIPS 2015 12},
  url = {http://papers.nips.cc/paper/5802-planar-ultrametrics-for-image-segmentation},
}