2012
DOI: 10.24297/ijct.v2i3c.2718
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Implementation of Colored CAPTCHA

Abstract: CAPTCHAs is an interesting of research are short forCompletely Automated Public Turing test to tell Computersand Humans Apart. The purpose of a CAPTCHA is to blockform submissions from spam bots –automated scripts thatharvest email addresses from publicly available web forms. Weintroduce a new CAPTCHA which is based on identifying thecolor of image, object or background. This actually requiresanalysis of complex contents of image, which humans usuallyperforms well but machines or robots usually do not. From … Show more

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