[PDF][PDF] Captcha and its techniques: a review
K Kaur, S Behal - researchgate.net
Captcha (Completely Automated public Turing test to tell Computers and Humans Apart)
system is used to verify whether a user is human or computer program. It's also known as …
system is used to verify whether a user is human or computer program. It's also known as …
[PDF][PDF] Captcha and Its Techniques: A Review
K Kaur, S Behal - Citeseer
Captcha (Completely Automated public Turing test to tell Computers and Humans Apart)
system is used to verify whether a user is human or computer program. It's also known as …
system is used to verify whether a user is human or computer program. It's also known as …