Conference Paper
L. Pérez-Freire and Pérez-González, F., Spread-spectrum vs. quantization-based data hiding: misconceptions and implications, in Security, Steganography, and Watermarking of Multimedia Contents, San Jose, California, USA, 2005, vol. 5306, pp. 592-601.
L. Pérez-Freire, Pérez-González, F., and Voloshynovskiy, S., Revealing the true achievable rates of Scalar Costa Scheme, in IEEE International Workshop on Multimedia Signal Processing, Siena, Italy, 2004, pp. 203-206.