@article{directorfieldmodeloftheprimaryvisual,
  title = {Director Field Model of the Primary Visual Cortex for Contour Detection},
  author = {Vijay Singh and Martin Tchernookov and Rebecca Butterfield and Ilya Nemenman},
  year = {2013},
  eprint = {1310.1341},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1310.1341v2},
}