9 search results - page 1 / 2 » Enhanced CAPTCHAs: Using Animation to Tell Humans and Comput... |
CMS
2006
13 years 6 months ago
2006
Abstract. Completely Automated Public Turing Test to tell Computers and Humans Apart (CAPTCHA) is a
EUROSEC
2010
ACM
13 years 10 months ago
2010
ACM
CAPTCHA is a standard security technology that presents tests to tell computers and humans apart. In this paper, we examine the security of a new CAPTCHA that was deployed until v...
CVPR
2003
IEEE
14 years 7 months ago
2003
IEEE
In this paper we explore object recognition in clutter. We test our object recognition techniques on Gimpy and EZGimpy, examples of visual CAPTCHAs. A CAPTCHA ("Completely Au...
ICNSC
2007
IEEE
13 years 11 months 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...
SOUPS
2009
ACM
13 years 11 months ago
2009
ACM
We present a technique for using content-based video labeling as a CAPTCHA task. Our CAPTCHAs are generated from YouTube videos, which contain labels (tags) supplied by the person...