TY - CONF T1 - Model-based steganalysis using invariant features T2 - Media Forensics and Security Y1 - 2009 A1 - Tu-Thach Quach A1 - Fernando Pérez-González A1 - Gregory L. Heileman KW - Invariant features KW - Model-based KW - Steganalysis JF - Media Forensics and Security CY - San Jose, CA, U.S.A. ER -