Luis Pérez-Freire Fernando Pérez-González Sviatoslav Voloshynovskiy An accurate analysis of scalar quantization-based data hiding. 80-86 2006 1 IEEE Transactions on Information Forensics and Security 1 http://dx.doi.org/10.1109/TIFS.2005.863488 db/journals/tifs/tifs1.html#Perez-FreirePV06