![](/img/cover-not-exists.png)
FaceCAPTCHA: a CAPTCHA that identifies the gender of face images unrecognized by existing gender classifiers
Jonghak Kim, Sangtae Kim, Joonhyuk Yang, Jung-hee Ryu…Volume:
72
Language:
english
DOI:
10.1007/s11042-013-1422-z
Date:
September, 2014
File:
PDF, 743 KB
english, 2014