TY - CONF T1 - Two different approaches for attacking BOWS T2 - Security, Steganography, and Watermarking of Multimedia Contents Y1 - 2007 A1 - Pedro Comesaña A1 - Fernando Pérez-González ED - Edward J. Delp ED - Ping W. Wong KW - BOWS KW - data-hiding KW - sensitivity KW - watermarking JF - Security, Steganography, and Watermarking of Multimedia Contents T3 - Proc. of SPIE PB - SPIE CY - San Jose, California, USA ER -