%0 Conference Paper %B Security, Steganography, and Watermarking of Multimedia Contents %D 2007 %T Security of Spread-Spectrum-Based Data Hiding %A Luis Pérez-Freire %A Pierre Moulin %A Fernando Pérez-González %E Edward J. Delp %E Ping W. Wong %K data-hiding %K security %K watermarking %B Security, Steganography, and Watermarking of Multimedia Contents %S Proc. of SPIE %I SPIE %C San Jose, California, USA %8 January %G eng