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  • Usability Evaluation of Randomly Generated Fonts for Bubble Captcha 

    Bostik, Ondrej; Horak, Karel; Klecka, Jan (Institute of Automation and Computer Science, Brno University of Technology, 2018-06-01)
    A Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA), is the wide-spread concept of systems suited to secure the web services from automated SPAM scripts. The most common CAPTCHA systems ...