TY - CONF T1 - A Novel Interpretation of Content Authentication T2 - Security, Steganography, and Watermarking of Multimedia Contents Y1 - 2007 A1 - Pedro Comesaña A1 - Félix Balado A1 - Fernando Pérez-González ED - Edward J. Delp ED - Ping W. Wong KW - authentication KW - data-hiding KW - watermarking JF - Security, Steganography, and Watermarking of Multimedia Contents T3 - Proc. of SPIE PB - SPIE CY - San Jose, California, USA ER -