PPT-CAPTCHA CAPTCHA C ompletely

  A utomated  P ublic  T uring test to tell  C omputers and  H umans A part A Computer Program that can generate and grade test that Most Humans can pass Computers programs cannot pass. as . http. ://www.qlinkgroup.com/op/login. . The website will look like the above shown picture. . 1. st. STEP . Now you can see the Username and Password entered in the Username and Password blanks (Shown within the red circle). After that click on the login button, just below the PASSWORD. . Cybercrime and Trustworthy Computing Workshop (CTC), 2010 Second. Nguyen H Vo, Josef . Pieprzyk. Department of Computing, Macquarie University, Australia. Reporter: . 游明軒. Outline . Introduction. Gesture CAPTCHA . Jaehoon Kim. Committees . : Eamonn . Keogh, . Stefano . Lonardi. .. . Motivation. There exists a spectrum of . resources.. People may be willing to spend from a few seconds up to hours to obtain it.. as . http. ://www.qlinkgroup.com/op/login. . The website will look like the above shown picture. . 1. st. STEP . Now you can see the Username and Password entered in the Username and Password blanks (Shown within the red circle). After that click on the login button, just below the PASSWORD. . LUIS VON AHN. CARNEGIE MELLON UNIVERSITY. CAPTCHA. A PROGRAM THAT CAN TELL WHETHER ITS USER IS A . HUMAN OR A COMPUTER. CAPTCHA. A. MOST HUMANS CAN PASS. B. CURRENT COMPUTER PROGRAMS CANNOT PASS. A . Skills. : reading and searching a blog. C. oncepts. : blog, subscription, one-to-many . communication, . permalink, . label (tag), . captcha. , long-tail distribution. This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. . Carnegie Mellon University. Verification technology developed in collaboration with . Carnegie Mellon University. CAPTCHA. A program that can tell whether its user is a . human or a computer. [CACM] [EUROCRYPT].