Cyber-attacks on the internet are not a new phenomenon. Hackers are always looking for
ways to breach the security of the internet. Good researchers continuously develop solutions …

The proliferation of the Internet and mobile devices has resulted in malicious bots access to
genuine resources and data. Bots may instigate phishing, unauthorized access, denial-of …

To achieve an acceptable level of security on the web, the Completely Automatic Public
Turing test to tell Computer and Human Apart (CAPTCHA) was introduced as a tool to …

Character recognition on the surfaces of iron caps is pivotal in the automated production of
suspension insulators. This article proposes a machine vision-based character recognition …

Designing a CAPTCHA possessing the property of a sweet spot is always a challenge. Text-
based CAPTCHAs are popular among websites. The history of text-based schemes shows …

Abstract Arabic Completely Automated Public Turing test to tell Computers and Humans
Apart (CAPTCHA) has only recently gained attention, with a few studies on handwritten text …

Completely Automated Public Turing test to tell Computers and Humans Apart, short for
CAPTCHA, is an essential and relatively easy way to defend against malicious attacks …

Abstract A CAPTCHA (Completely Automated Public Turing Test to Tell Computers and
Humans Apart) is widely used challenge–response test intended to distinguish between a …

CAPTCHA tests (Completely Automated Public Turing test to tell Computer and Humans
Apart) are used by many services and websites. Recently, researchers have proposed …

Researchers are turning to advanced networks and technology to help cities manage
resource constraints. With this continuing development in cities, smart mobility applications …