@article{novelandautomaticparkinginventorysystem,
  title = {Novel and Automatic Parking Inventory System Based on Pattern Recognition and Directional Chain Code},
  author = {Reza Azad and Majid Nazari},
  year = {2014},
  eprint = {1407.6321},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1407.6321v1},
}