@article{graylevelimageenhancementusingpolygonal,
  title = {Gray Level Image Enhancement Using Polygonal Functions},
  author = {Vasile Patrascu},
  year = {2014},
  eprint = {1412.5787},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1412.5787v1},
}