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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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Related topics

Related topics

49 relations
AI-completeAdobe ColdFusionAndrei BroderAnti-spam techniques

Broader (2)

Computer securityComputer vision

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
Effects of an 'Expert Mode' Voice Command System on Task Performance, Glance Behavior & Driver Physiology
Multi-function in-vehicle interfaces are an increasingly common feature in automobiles. Over the past several years, these… 
2013
2013
ConnectionScore: a statistical technique to resist application-layer DDoS attacks
In an application-layer distributed denial of service (DDoS) attack, zombie machines send a large number of legitimate requests… 
2010
2010
Jump Distribution Characteristics: Evidence from European Stock Markets
A comparison of the realized variance and the realized bipower variation provides a nonparametric estimation of the sum of all… 
2009
2009
An active micro-direct methanol fuel cell with self-circulation of fuel and built-in removal of CO2 bubbles
Review
2008
Review
2008
Automating phishing website identification through deep MD5 matching
The timeliness of phishing incident response is hindered by the need for human verification of whether suspicious URLs are… 
2007
2007
Question-Based CAPTCHA
Today there are many Internet sites which require only the entry by human users but unfortunately some computer softwares called… 
2006
2006
PRIMED: community-of-interest-based DDoS mitigation
Most existing distributed denial-of-service (DDoS) mitigation proposals are reactive in nature, i.e., they are deployed to limit… 
Highly Cited
1999
Highly Cited
1999
Verification watermarks on fingerprint recognition and retrieval
Current 'invisible' watermarking techniques aim at producing watermarked data that suffer no or little quality degradation and… 
Highly Cited
1997
Highly Cited
1997
Spatially Resolved Raman Spectroscopy of Carbon Electrode Surfaces: Observations of Structural and Chemical Heterogeneity
Raman spectroscopy and Raman imaging were used to examine several types of carbon electrode materials, including glassy carbon… 
1976
1976
Word verification in a speech understanding system
If, in a speech understanding system, word matching is performed at the phonetic level, then the accurate determination of the… 
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