@inproceedings{Alenya_iros09,
  author = {Aleny{\`a}, G. and N{\`e}gre, A. and Crowley, J.L.},
  title = {A comparison of three methods for measure of Time to Contact},
  booktitle = {Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems},
  year = {2009},
  pages = {4565-4570},
  doi = {10.1109/IROS.2009.5354024},
  url = {http://www.iri.upc.edu/publications/show/1035},
  file = {http://www.iri.upc.edu/download/scidoc/1035}
}



[DOI]