Evaluating the Usability of Optimizing Text-based CAPTCHA Generation

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Evaluating the Usability of Optimizing Text-based CAPTCHA Generation

A CAPTCHA is a test that can, automatically, tell human and computer programs apart. It is a mechanism widely used nowadays for protecting web applications, interfaces, and services from malicious users and automated spammers. Usability and robustness are two fundamental aspects with CAPTCHA, where the usability aspect is the ease with which humans pass its challenges, while the robustness is t...

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CAPTCHA stands for Completely Automated Public Turing Test to Tell Computer and Human Apart. It is the test that human can pass easily but computer cannot. For example, humans can read distorted text, but current computer programs cannot. For many years, CAPTCHAs have proven very useful for many reputable, Web-based email and application service providers, including social networking sites and ...

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ژورنال

عنوان ژورنال: International Journal of Advanced Computer Science and Applications

سال: 2016

ISSN: 2156-5570,2158-107X

DOI: 10.14569/ijacsa.2016.070823