3015 search results - page 3 / 603 » The robustness of a new CAPTCHA |
USS
2010
13 years 4 months ago
2010
Reverse Turing tests, or CAPTCHAs, have become an ubiquitous defense used to protect open Web resources from being exploited at scale. An effective CAPTCHA resists existing mechan...
ICNSC
2007
IEEE
14 years 17 days ago
2007
IEEE
— Today sending spams has turned to be a major problem in the Internet. It is so serious that more than 80% of the transferred emails are spams. As a result, various methods have...
HIP
2005
Springer
13 years 11 months ago
2005
Springer
Efforts to defend against automated attacks on e-commerce services have led to a new security protocol known as a CAPTCHA, a challenge designed to exploit gaps in the perceptual a...
SOUPS
2009
ACM
14 years 23 days ago
2009
ACM
ECCV
2010
Springer
13 years 11 months ago
2010
Springer
We present a method for spotting words in the wild, i.e., in real images taken in unconstrained environments. Text found in the wild has a surprising range of difficulty. At one en...