Hara, Kotaro, Jin Sun, Jonah Chazan, David Jacobs, and Jon Froehlich. “An Initial Study of Automatic Curb Ramp Detection With Crowdsourced Verification Using Google Street View Images”. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing 1, no. 1 (November 3, 2013): 32-33. Accessed May 1, 2024. https://ojs.aaai.org/index.php/HCOMP/article/view/13109.