On grey levels in random CAPTCHA generation. - Fraser Newton; Michael A. Kouritzin (Visual Information Processing, 2011)

On Random Field Completely Automated Public Turing Test to Tell Computers and Humans Apart Generation. - Michael A. Kouritzin; Fraser Newton; Biao Wu (IEEE Trans. Image Process., 2013)

A graph theoretic approach to simulation and classification. - Michael A. Kouritzin; Fraser Newton; Biao Wu (Comput. Stat. Data Anal., 2014)