An Improved CAPTCHA Based on Chinese Characters
Dinghua He · 2013
CAPTCHA is a means to improve to elevate the safety of web-site. Because many web-sites use English or number characters CAPTCHA and only adopt straightforward deformation, they're lack of unfailing safety. Therefore, a improved multi-deformation Chinese ideograph CAPTCHA is designed and implemented in this paper. Experiments have proved that it's safer and also easy for using.