Video-based captcha
US8510795B1 Patents
and a video tests database. The CAPTCHA generation engine selects a video clip from the video clips database, and seg
34 claims. 53,611 characters of text.
US8510795B1 Patents
and a video tests database. The CAPTCHA generation engine selects a video clip from the video clips database, and seg
34 claims. 53,611 characters of text.