@inproceedings{heavytaileddistancesforgradientbased,
  title = {Heavy-tailed Distances for Gradient Based Image Descriptors},
  author = {Yangqing Jia and Trevor Darrell},
  year = {2011},
  booktitle = {NeurIPS 2011 12},
  url = {http://papers.nips.cc/paper/4183-heavy-tailed-distances-for-gradient-based-image-descriptors},
}