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DISTINGUISH VALID USERS FROM BOTS, OCRs AND THIRD PARTY SOLVERS WHEN PRESENTING CAPTCHA
DISTINGUISH VALID USERS FROM BOTS, OCRs AND THIRD PARTY SOLVERS WHEN PRESENTING CAPTCHA
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机译:提出验证码时,区分机器人,OCR和第三方解决方案中的有效用户
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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.
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