TY - CONF T1 - On the capacity of stegosystems T2 - ACM Workshop on Multimedia and Security (MMSEC) Y1 - 2007 A1 - Pedro Comesaña A1 - Fernando Pérez-González KW - data-hiding KW - steganography KW - watermarking JF - ACM Workshop on Multimedia and Security (MMSEC) CY - Dallas, TX, USA ER -