@inproceedings{contourdetectioninunstructured3dpoint,
  title = {Contour Detection in Unstructured 3D Point Clouds},
  author = {Timo Hackel and Jan D. Wegner and Konrad Schindler},
  year = {2016},
  booktitle = {CVPR 2016 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2016/html/Hackel_Contour_Detection_in_CVPR_2016_paper.html},
}