发明名称 DISTINGUISH VALID USERS FROM BOTS, OCRs AND THIRD PARTY SOLVERS WHEN PRESENTING CAPTCHA
摘要 Embodiments of the present invention relate to a method of providing an automated public Turing test to a client display system. The method includes providing an image having a plurality of random characters, as well as providing a browser code to the client, whereby the browser code is adapted to restrict display of the image to only a predetermined portion of the image. The method further includes detecting a client response to receiving the predetermined portion of said image.
申请公布号 US2014250538(A1) 申请公布日期 2014.09.04
申请号 US201213984647 申请日期 2012.02.07
申请人 Rapaport Shay;Azaria Erez;Schwartz Omri 发明人 Rapaport Shay;Azaria Erez;Schwartz Omri
分类号 G06F21/60 主分类号 G06F21/60
代理机构 代理人
主权项 1. A method of providing an automated public Turing test to a client display system, comprising: providing a browser code to the client, said browser code functioning to restrict display of an image to only a predetermined portion of said image, wherein the image comprises a plurality of random characters; and detecting a response of the client to receiving said predetermined portion of said image.
地址 Kfar Saba IL