@inproceedings{thetreedependentcomponentsofnatural,
  title = {The 'tree-dependent components' of natural scenes are edge filters},
  author = {Daniel Zoran and Yair Weiss},
  year = {2009},
  booktitle = {NeurIPS 2009 12},
  url = {http://papers.nips.cc/paper/3834-the-tree-dependent-components-of-natural-scenes-are-edge-filters},
}