@article{unsupervisednonparametricdetectionof,
  title = {Unsupervised nonparametric detection of unknown objects in noisy images based on percolation theory},
  author = {Mikhail A. Langovoy and Olaf Wittich and Patrick Laurie Davies},
  year = {2011},
  eprint = {1102.5019},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1102.5019v2},
}