Mr. Luis L. Pérez-Freire Profile

Luis L. Pérez-Freire

at Univ de Vigo

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Author

Publications (5)

Proceedings Article | 27 February 2007 Paper

Security of spread-spectrum-based data hiding

Luis Pérez-Freire, Pierre Moulin, Fernando Pérez-González

Proceedings Volume 6505, 65050F (2007) https://doi.org/10.1117/12.704176

KEYWORDS: Information security, Digital watermarking, Computer security, Distortion, Data hiding, Binary data, Numerical integration, Statistical analysis, Detection theory, Communication theory

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Proceedings Article | 16 February 2006 Paper

Secret dither estimation in lattice-quantization data hiding: a set membership approach

Luis Pérez-Freire, Fernando Pérez-Gonzalez, Pedro Comesaña

Proceedings Volume 6072, 60720W (2006) https://doi.org/10.1117/12.642688

KEYWORDS: Digital watermarking, Computer security, Information security, Data hiding, Distortion, Monte Carlo methods, Data analysis, Optical spheres, Quantization, Statistical analysis

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Proceedings Article | 15 February 2006 Paper

The blind Newton sensitivity attack

Pedro Comesaña, Luis Pérez-Freire, Fernando Pérez-González

Proceedings Volume 6072, 60720E (2006) https://doi.org/10.1117/12.642721

KEYWORDS: Digital watermarking, Sensors, Binary data, Signal detection, Distortion, Detection and tracking algorithms, Information security, Beryllium, Iterative methods, Quantization

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Proceedings Article | 21 March 2005 Paper

Spread-spectrum vs. quantization-based data hiding: misconceptions and implications

Luis Perez-Freire, Fernando Perez-Gonzalez

Proceedings Volume 5681, (2005) https://doi.org/10.1117/12.587790

KEYWORDS: Probability theory, Digital watermarking, Error analysis, Distortion, Quantization, Data hiding, Statistical analysis, Binary data, Signal to noise ratio, Interference (communication)

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Proceedings Article | 21 March 2005 Paper

Detection in quantization-based watermarking: performance and security issues

Luis Perez-Freire, Pedro Comesana-Alfaro, Fernando Perez-Gonzalez

Proceedings Volume 5681, (2005) https://doi.org/10.1117/12.587730

KEYWORDS: Digital watermarking, Signal detection, Quantization, Information security, Sensors, Distortion, Radon, Detection and tracking algorithms, Matrices, Interference (communication)

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