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Multiple SEmantic IMage CAPTCHA
Year: 2011
Abstract:
This paper presents a new semantic image
CAPTCHA, called Multiple SEIMCHA. Multiple SEIMCHA
system warps images by using geometric transformations and a
2d view of warped image is shown to user. Users should click on...
SEIMCHA: A New Semantic Image CAPTCHA Using Geometric Transformations
Year: 2012
Abstract:
As protection of web applications are getting more and more important every day, CAPTCHAs are facing booming attention both by users and designers. Nowadays, it is well accepted that using visual concepts enhance security ...