@article{performingedgedetectionbydifferenceof,
  title = {Performing edge detection by difference of Gaussians using q-Gaussian kernels},
  author = {Lucas Assirati and Núbia R. da Silva and Lilian Berton and Alneu de A. Lopes and Odemir M. Bruno},
  year = {2013},
  eprint = {1311.2561},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1311.2561v2},
}