Developing usable CAPTCHAs for blind users

ASSETS'07: Proceedings of the Ninth International ACM SIGACCESS Conference on Computers and Accessibility

Volumn , Issue , 2007, Pages 245-246

  Holman, Jonathan ^a   Lazar, Jonathan ^a   Fena, Jiniuan Heidi ^a   D'Arcy, John ^b  

^a TOWSON UNIVERSITY   (United States)

^b UNIVERSITY OF NOTRE DAME   (United States)

Author keywords

Accessibility; Blind user; CAPTCHA; Security; Turing test; Universal usability; Usability; Visual impairment

Indexed keywords

BLIND USERS; TURING TESTS; UNIVERSAL USABILITY; VISUAL IMPAIRMENT;

DATA PRIVACY; HANDICAPPED PERSONS; USABILITY ENGINEERING; WEBSITES;

USER INTERFACES;

EID: 42149131546     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1145/1296843.1296894     Document Type: Conference Paper

References (4)

1. Ahn, L., Blum, M., and Langford, J. (2004) Telling humans and computers apart automatically. Communications of the ACM, February 2004. Vol. 47 (2) 57-60.
2. CAPTCHA.net (2007) CAPCHA: Telling humans and computers apart automatically. Last retrieved on June 7, 2007 from www.captcha.net
3. Johnston, J., Eloff, J., and Labuschagne, L. (2003). "Security and Human Computer Interfaces." Computers & Security, 22(8), pp. 675-684.
4. Sasse, M.A., Brostoff, S., and Weirich, D. (2001). "Transforming the Weakest Link - A Human/Computer Interaction Approach to Usable and Effective Security." BT Technology Journal, 19(3), pp. 122-130.