-
1
-
-
2942728016
-
Telling Humans and Computer Apart Automatically
-
von Ahn, L., Blum, M., Langford, J.: Telling Humans and Computer Apart Automatically. CACM 47(2) (2004)
-
(2004)
CACM
, vol.47
, Issue.2
-
-
Von Ahn, L.1
Blum, M.2
Langford, J.3
-
3
-
-
48649084325
-
Breaking Visual CAPTCHAs with Naïve Pattern Recognition Algorithms
-
IEEE Computer Society December
-
Yan, J., El Ahmad, A.S.: Breaking Visual CAPTCHAs with Naïve Pattern Recognition Algorithms. In: Proc. of the 23rd Annual Computer Security Applications Conference (ACSAC 2007), FL, USA, pp. 279-291. IEEE Computer Society (December 2007)
-
(2007)
Proc. of the 23rd Annual Computer Security Applications Conference (ACSAC 2007), FL, USA
, pp. 279-291
-
-
Yan, J.1
El Ahmad, A.S.2
-
4
-
-
57849091460
-
A Low-cost Attack on a Microsoft CAPTCHA
-
Newcastle University, England February
-
Yan, J., El Ahmad, A.S.: A Low-cost Attack on a Microsoft CAPTCHA. School of Science Technical Report, Newcastle University, England (February 2008)
-
(2008)
School of Science Technical Report
-
-
Yan, J.1
El Ahmad, A.S.2
-
5
-
-
65449117828
-
Is cheap labour behind the scene? - Low-cost automated attacks on Yahoo CAPTCHAs
-
Newcastle University, England April
-
Yan, J., El Ahmad, A.S.: Is cheap labour behind the scene? - Low-cost automated attacks on Yahoo CAPTCHAs. School of Computing Science Technical Report, Newcastle University, England (April 2008)
-
(2008)
School of Computing Science Technical Report
-
-
Yan, J.1
El Ahmad, A.S.2
-
6
-
-
65449132236
-
Designing Human friendly human interaction proofs
-
Chellapilla, K., Larson, K., Simard, P., Czerwinski, M.: Designing Human friendly human interaction proofs. In: ACM CHI 2005 (2005)
-
(2005)
ACM CHI 2005
-
-
Chellapilla, K.1
Larson, K.2
Simard, P.3
Czerwinski, M.4
-
7
-
-
25144445239
-
Building segmentation based human-friendly human interaction proofs (HIPs)
-
Human Interactive Proofs: Second International Workshop, HIP 2005. Proceedings
-
Chellapilla, K., Larson, K., Simard, P.Y., Czerwinski, M.: Building Segmentation Based Human-Friendly Human Interaction Proofs (HIPs). In: Baird, H.S., Lopresti, D.P. (eds.) HIP 2005. LNCS, vol. 3517, pp. 1-26. Springer, Heidelberg (2005) (Pubitemid 41343304)
-
(2005)
Lecture Notes in Computer Science
, vol.3517
, pp. 1-26
-
-
Chellapilla, K.1
Larson, K.2
Simard, P.Y.3
Czerwinski, M.4
-
8
-
-
25144512363
-
A highly legible CAPTCHA that resists segmentation attacks
-
Human Interactive Proofs: Second International Workshop, HIP 2005. Proceedings
-
Baird, H.S., Moll, M.A., Wang, S.-Y.: A Highly Legible CAPTCHA that Resists Segmentation Attacks. In: Baird, H.S., Lopresti, D.P. (eds.) HIP 2005. LNCS, vol. 3517, pp. 27-41. Springer, Heidelberg (2005) (Pubitemid 41343305)
-
(2005)
Lecture Notes in Computer Science
, vol.3517
, pp. 27-41
-
-
Baird, H.S.1
Moll, M.A.2
Wang, S.-Y.3
-
10
-
-
25144474876
-
CAPTCHA Generation as a Web Service
-
Baird, H.S., Lopresti, D.P. (eds.) HIP 2005. Springer, Heidelberg
-
Converse, T.: CAPTCHA Generation as a Web Service. In: Baird, H.S., Lopresti, D.P. (eds.) HIP 2005. LNCS, vol. 3517, pp. 82-96. Springer, Heidelberg (2005)
-
(2005)
LNCS
, vol.3517
, pp. 82-96
-
-
Converse, T.1
-
12
-
-
77952329367
-
Asirra: A CAPTCHA that exploits interestaligned manual image categorization
-
Elson, J., Douceur, J.R., Howell, J., Saul, J.: Asirra: a CAPTCHA that exploits interestaligned manual image categorization. In: Proceedings of the 14th ACM Conference on Computer and Communications Security, CCS (2007)
-
Proceedings of the 14th ACM Conference on Computer and Communications Security, CCS (2007)
-
-
Elson, J.1
Douceur, J.R.2
Howell, J.3
Saul, J.4
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