Directional captcha: A novel approach to text based CAPTCHA
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[1] Jeff Yan,et al. Usability of CAPTCHAs or usability issues in CAPTCHA design , 2008, SOUPS '08.
[2] John C. Mitchell,et al. Easy does it: more usable CAPTCHAs , 2014, CHI.
[3] Mary Czerwinski,et al. Designing human friendly human interaction proofs (HIPs) , 2005, CHI.
[4] Chih-Hsiang Hsu,et al. Usability study of text-based CAPTCHAs , 2011, Displays.
[5] John C. Mitchell,et al. Text-based CAPTCHA strengths and weaknesses , 2011, CCS '11.
[6] Oleg Starostenko,et al. Breaking text-based CAPTCHAs with variable word and character orientation , 2015, Pattern Recognit..
[7] James Miller,et al. ADAMAS: Interweaving unicode and color to enhance CAPTCHA security , 2016, Future Gener. Comput. Syst..