@inproceedings{ahmetovic2015zebra,
  title={Zebra Crossing Spotter: Automatic Population of Spatial Databases for Increased Safety of Blind Travelers},
  author={Ahmetovic, Dragan and Manduchi, Roberto and Coughlan, James M and Mascetti, Sergio},
  booktitle={ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)},
  year={2015},
  isbn = {978-1-4503-3400-6},
  organization={ACM}
}