Discrete Curvature based on Osculating Circle Estimation

@inproceedings{dcoeurjo_IWVF4,
      author = {Coeurjolly, D. and Miguet, S. and Tougne, L.},
      booktitle = {International Workshop on Visual Form 4},
      editor = {Arcelli, C. and Cordella, L. P. and Baja, G. Sanniti
di},
      month = {May},
      note = {Capri, Italy},
      number = {2059},
      pages = {303-312},
      publisher = {Springer Lecture Notes in Computer Science, 2059},
      title = {Discrete Curvature based on Osculating Circle Estimation},
      url = {iwvf4.ps.gz},
      year = {2001}
}