SeeSay and HearSay CAPTCHA for mobile interaction

Sajad Shirali-Shahreza, Gerald Penn, Ravin Balakrishnan, Yashar Ganjali. SeeSay and HearSay CAPTCHA for mobile interaction. In Wendy E. Mackay, Stephen A. Brewster, Susanne Bødker, editors, 2013 ACM SIGCHI Conference on Human Factors in Computing Systems, CHI '13, Paris, France, April 27 - May 2, 2013. pages 2147-2156, ACM, 2013. [doi]

@inproceedings{Shirali-ShahrezaPBG13,
  title = {SeeSay and HearSay CAPTCHA for mobile interaction},
  author = {Sajad Shirali-Shahreza and Gerald Penn and Ravin Balakrishnan and Yashar Ganjali},
  year = {2013},
  doi = {10.1145/2470654.2481295},
  url = {http://doi.acm.org/10.1145/2470654.2481295},
  researchr = {https://researchr.org/publication/Shirali-ShahrezaPBG13},
  cites = {0},
  citedby = {0},
  pages = {2147-2156},
  booktitle = {2013 ACM SIGCHI Conference on Human Factors in Computing Systems, CHI '13, Paris, France, April 27 - May 2, 2013},
  editor = {Wendy E. Mackay and Stephen A. Brewster and Susanne Bødker},
  publisher = {ACM},
  isbn = {978-1-4503-1899-0},
}