@article{contourpolygonalapproximationusing,
  title = {Contour polygonal approximation using shortest path in networks},
  author = {André Ricardo Backes and Dalcimar Casanova and Odemir Martinez Bruno},
  year = {2013},
  eprint = {1311.4252},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1311.4252v1},
}