%0 Conference Paper %B Media Forensics and Security %D 2009 %T Model-based steganalysis using invariant features %A Tu-Thach Quach %A Fernando Pérez-González %A Gregory L. Heileman %K Invariant features %K Model-based %K Steganalysis %B Media Forensics and Security %C San Jose, CA, U.S.A. %8 January %G eng