@article{speedingupthekohlersmethodofcontrast,
  title = {Speeding up the Köhler's method of contrast thresholding},
  author = {Guillaume Noyel},
  year = {2017},
  eprint = {1707.05062},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1707.05062v2},
}