Amalia I. Rusu, Venu Govindaraju. Handwritten CAPTCHA: using the difference in the abilities of humans and machines in reading handwritten words. In Ninth International Workshop on Frontiers in Handwriting Recognition, IWFHR-9 2004, Kokubunji, Tokyo, Japan, October 26-29, 2004. pages 226-231, IEEE Computer Society, 2004. [doi]
Abstract is missing.