Advanced Collage CAPTCHA

Mohammad Shirali-Shahreza, Sajad Shirali-Shahreza. Advanced Collage CAPTCHA. In Fifth International Conference on Information Technology: New Generations (ITNG 2008), 7-8 April 2008, Las Vegas, Nevada, USA. pages 1234-1235, IEEE Computer Society, 2008. [doi]

Abstract

Abstract is missing.