Solapas principales

R
F. Pérez-González, Mosquera, C., Barni, M., y Abrardo, A., «Rational Dither Modulation: a high-rate data-hiding method robust to gain attacks», IEEE Transactions on Signal Processing, vol. 53, pp. 3960-3975, 2005.
P. Comesaña, Pérez-Freire, L., y Pérez-González, F., «The return of the sensitivity attack», in International Workshop on Digital Watermarking (IWDW), Siena, Italy, 2005, vol. 3710, pp. 260-274.Icono PDF iwdw05.pdf (190.47 KB)
O. Koval, Voloshynovskiy, S., Deguillaume, F., Pérez-González, F., y Pun, T., «Robustness Improvement of Known-Host-State Watermarking Using Host Statistics», in Security, Steganography, and Watermarking of Multimedia Contents, San Jose, California, USA, 2005, vol. 5306, pp. 592-601.
S
L. Pérez-Freire y 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.
W
J. E. Vila-Forcén, Voloshynovskiy, S., Koval, O., Pérez-González, F., y Pun, T., «Worst case additive attack against quantization-based data-hiding methods», in Security, Steganography, and Watermarking of Multimedia Contents, San Jose, California, USA, 2005, vol. 5306, pp. 592-601.
B
R. López-Valcarce, Hurtado, D., Mosquera, C., y Pérez-González, F., «Bias analysis and removal of a microphone array based road traffic speed estimator», in European Signal Processing Conference (EUSIPCO), Vienna, Austria, 2004.Icono PDF biasanalysis.pdf (106.81 KB)
F. Balado, Pérez-González, F., y Comesaña, P., «Blind iterative decoding of side-informed data hiding using the Expectation-Maximization algorithm», in Security, Steganography, and Watermarking of Multimedia Contents, San Jose, California, USA, 2004, vol. 5306, pp. 805-815.Icono PDF spie04em.pdf (434.03 KB)
F. Balado y Pérez-González, F., «Blind Turbo Decoding of Side-Informed Data Hiding Using Iterative Channel Estimation», in International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS), Lisboa, 2004.
E
R. López-Valcarce, Mosquera, C., y Pérez-González, F., «Estimation of road vehicle speed using two omnidirectional microphones: a maximum likelihood approach», EURASIP Journal of Applied Signal Processing, vol. 2004, pp. 1059–1077, 2004.Icono PDF regular.406.pdf (736.38 KB)
I
F. Pérez-González y Comesaña, P., «Improved Binary Dither-Modulation with perceptual constraints», in International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS), Lisboa, Portugal, 2004.Archivo wiamis04_dm.ps (268.36 KB)
Q
P. Comesaña y Pérez-González, F., «Quantifying Security Leaks in Spread Spectrum Data Hiding: A Game Theoretic Approach», in Security, Steganography, and Watermarking of Multimedia Contents, San Jose, California, USA, 2004, vol. 5306, pp. 592-601.Archivo spie04.ps (572.73 KB)
O. Koval, Voloshynovskiy, S., Pérez-González, F., Deguillaume, F., y Pun, T., «Quantization-based watermarking performance improvement using host statistics: additive noise attack», in ACM Workshop on Multimedia and Security (MMSEC), Magdeburg, Germany, 2004.
R
F. Pérez-González, Barni, M., Abrardo, A., y Mosquera, C., «Rational Dither Modulation: a novel data-hiding method robust to value-metric attacks», in IEEE International Workshop on Multimedia Signal Processing, Siena, Italy, 2004, pp. 139-142.
L. Pérez-Freire, Pérez-González, F., y 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.
S
O. Koval, Voloshynovskiy, S., Pérez-González, F., Deguillaume, F., y Pun, T., «Spread Spectrum Watermarking for Real Images: Is Everything So Hopeless?», in European Signal Processing Conference (EUSIPCO), Vienna, Austria, 2004.
W
J. E. Vila-Forcén, Voloshynovskiy, S., Koval, O., Pun, T., y Pérez-González, F., «Worst case additive attack against quantization-based watermarking techniques», in IEEE International Workshop on Multimedia Signal Processing, Siena, Italy, 2004, pp. 135-138.
D
F. Pérez-González, Comesaña, P., y Balado, F., «Dither-Modulation Data hiding with distortion-compensation: exact performance analysis and an improved detector for JPEG attacks.», in IEEE International Conference on Image Processing (ICIP), Barcelona, Spain, 2003.Icono PDF icip03a.pdf (145.04 KB)
H
F. Balado y Pérez-González, F., «Hexagonal Quantizers are not Optimal for 2-D Data Hiding», in Security and Watermarking of Multimedia Contents, Santa Clara, USA, 2003, vol. 5020.
I
F. Pérez-González, «The Importance of aliasing in structured quantization index modulation data hiding (invited lecture)», in International Workshop on Digital Watermarking (IWDW), 2003, vol. 2939 / 2004, pp. 1-17.
O
P. Comesaña, Pérez-González, F., y Balado, F., «Optimal Data-Hiding Strategies for Games with BER Payoffs», in International Workshop on Digital Watermarking (IWDW), 2003, vol. 2939 / 2004, pp. 101-116.Archivo iwdw03.ps (499.03 KB)
P. Comesaña, Pérez-González, F., y Balado, F., «Optimal Strategies for Spread-Spectrum and Quantized-Projection image data hiding games with BER Payoffs», in IEEE International Conference on Image Processing (ICIP), Barcelona, Spain, 2003.Icono PDF icip03b.pdf (142.96 KB)
P
F. Pérez-González, Balado, F., y Hernández, J. R., «Performance Analysis of Existing and New Methods for Data Hiding with Known-Host Information in Additive Channels», IEEE Transactions on Signal Processing, vol. 51, pp. 960-980, 2003.
S
R. López-Valcarce y Pérez-González, F., «Subband hyperstable adaptive IIR filters», IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, vol. 50, pp. 383–389, 2003.
V
N. Degara-Quintela y Pérez-González, F., «Visible Encryption: Using Paper as a Secure Channel», in Security and Watermarking of Multimedia Contents, Santa Clara, USA, 2003, vol. 5020.
A
M. Alvarez-Rodríguez y Pérez-González, F., «Analysis of Pilot-Based Synchronization Algorithms for Watermarking of Still Images», Signal Processing: Image Communication, vol. 17, pp. 661-633, 2002.