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CAPTCHA

Known as: Image Verification, Gausebeck-Levchin test, Completely Automated Public Turing Test to Tell Computers and Humans Apart 
A CAPTCHA (a backronym for "Completely Automated Public Turing test to tell Computers and Humans Apart") is a type of challenge-response test used in… 
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Papers overview

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2013
2013
The issue of identity management has continued to pose serious security challenge to different organizations. To cub this… 
2011
2011
The DMCA was enacted to provide adequate legal safeguards against piracy so that content producers, such as music, software… 
2009
2009
CAPTCHA is a standard defense system which stands for Completely Automated Public Turing test to tell Computers and Human Apart… 
2008
2008
Biometrics is one of the recent trends in security, which is mainly used for verification and recognition systems. By using… 
2008
2008
Many websites on the Internet offer services to people. They usually ask the users to fill the registration forms for using their… 
2004
2004
In this paper three algorithms for iris verification have been presented. Iris detection algorithms include the normalization and… 
2004
2004
Generalized word posterior probability (GWPP), a confidence measure for verifying recognized words, needs to equalize and weight… 
2001
2001
An important part of the development of any machine translation system is the creation of lexical resources. We describe an… 
1977
1977
Sperry Univac is developing a linguistically oriented computer system which recognizes natural spoken phrases and sentences… 
1976
1976
If, in a speech understanding system, word matching is performed at the phonetic level, then the accurate determination of the…