@conference {spieei09,
	title = {Model-based steganalysis using invariant features},
	booktitle = {Media Forensics and Security},
	year = {2009},
	month = {January},
	address = {San Jose, CA, U.S.A.},
	keywords = {Invariant features, Model-based, Steganalysis},
	author = {Tu-Thach Quach and Fernando P{\'e}rez-Gonz{\'a}lez and Gregory L. Heileman}
}
