Prof. Esmail Ahouzi Profile

Prof. Esmail Ahouzi

Professor at Institut National des Postes et Telecommunications

SPIE Involvement:

Author

Publications (13)

SPIE Journal Paper | 30 November 2017

Optical triple random-phase encryption

Esmail Ahouzi, Wiam Zamrani, Nawfel Azami, Angel Lizana, Juan Campos, María Yzuel

OE, Vol. 56, Issue 11, 113114, (November 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.11.113114

KEYWORDS: Image encryption, Computer security, Image processing, Optical image encryption, Computer programming, Simulation of CCA and DLA aggregates, Optical engineering, Resistance, Fourier transforms, Information security

Read Abstract +

SPIE Journal Paper | 18 October 2016

Optical image encryption technique based on deterministic phase masks

Wiam Zamrani, Esmail Ahouzi, Angel Lizana, Juan Campos, María Yzuel

OE, Vol. 55, Issue 10, 103108, (October 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.10.103108

KEYWORDS: Image encryption, Image processing, Binary data, Optical image encryption, Image restoration, Optical correlators, Image quality, Image retrieval, Tolerancing, Fourier transforms

Read Abstract +

Proceedings Article | 24 October 2005 Open Access

Teaching diffraction and signal processing with a liquid crystal spatial light modulator

José Luis Martínez, Ignacio Moreno, Esmail Ahouzi

Proceedings Volume 9664, 966429 (2005) https://doi.org/10.1117/12.2207775

KEYWORDS: Diffraction, Computer generated holography, Signal processing, Liquid crystals, Diffraction gratings, Fresnel lenses, Axicons, LCDs, Visualization, Optical components

Read Abstract +

DOWNLOAD PAPER

SPIE Journal Paper | 1 December 2002

Optimization of the polychromatic discrimination capability in multichannel pattern recognition

Abdelaziz Attaleb, Esmail Ahouzi, Juan Campos, Ignacio Moreno, Maria Yzuel

OE, Vol. 41, Issue 12, (December 2002) https://doi.org/10.1117/12.10.1117/1.1517576

KEYWORDS: Phase only filters, Signal to noise ratio, Spatial light modulators, RGB color model, Pattern recognition, Optical correlators, Phase shift keying, Optical engineering, Image filtering, Optimization (mathematics)

Proceedings Article | 18 November 1999 Paper

Multichannel pattern recognition of color images

Maria Yzuel, Juan Campos, Ignacio Moreno, Esmail Ahouzi, Abdelaziz Attaleb

Proceedings Volume 3904, (1999) https://doi.org/10.1117/12.370405

KEYWORDS: Phase only filters, Pattern recognition, RGB color model, Optical correlators, Image filtering, Optical filters, Phase shift keying, Image processing, Electronic filtering, Computer programming

Read Abstract +

Proceedings Article | 1 October 1999 Paper

Adapting the input scene and the filter to the operating curves of the modulators in real-time correlators

Juan Campos, Maria Yzuel, I. Moreno, Esmail Ahouzi, Andres Marquez, Octavio Lopez-Coronado, Abdelaziz Attaleb

Proceedings Volume 3804, (1999) https://doi.org/10.1117/12.363966

KEYWORDS: Phase only filters, Spatial light modulators, Phase shift keying, Modulation, Optical correlators, Phase modulation, Binary data, Diffraction, RGB color model, Optical filters

Read Abstract +

Proceedings Article | 6 July 1999 Paper

Optical architectures for real-time image processing and pattern recognition

Maria Yzuel, Joaquin Campos, Rafael Fonolla Navarro, Esmail Ahouzi, I. Moreno, Asticio Vargas, Octavio Lopez-Coronado

Proceedings Volume 3572, (1999) https://doi.org/10.1117/12.358341

KEYWORDS: Spatial light modulators, Phase only filters, Modulation, Image processing, Diffraction, Phase shift keying, Computer generated holography, Optical correlators, Optical filters, Amplitude modulation

Read Abstract +

SPIE Journal Paper | 1 August 1998

Binary amplitude phase-only filter with high multiobject discrimination capability

Esmail Ahouzi, Juan Campos, Maria Yzuel

OE, Vol. 37, Issue 08, (August 1998) https://doi.org/10.1117/12.10.1117/1.601755

KEYWORDS: Polymer optical fibers, Phase only filters, Computer simulations, Signal to noise ratio, Optical filters, Fourier transforms, Genetic algorithms, Optimization (mathematics), Detection and tracking algorithms, Algorithms

SPIE Journal Paper | 1 February 1998

Performance of double phase encoding encryption technique using binarized encrypted images

Bahram Javidi, Arnaud Sergent, Esmail Ahouzi

OE, Vol. 37, Issue 02, (February 1998) https://doi.org/10.1117/12.10.1117/1.601645

KEYWORDS: Image encryption, Linear filtering, Binary data, Image filtering, Image processing, Computer programming, Optical image encryption, Image quality, Phase only filters, Computer simulations

Proceedings Article | 19 August 1997 Paper

Implementation of optimized binary amplitude phase-only filters in phase-only modulators

Ignacio Moreno, Esmail Ahouzi, Juan Campos, Maria Yzuel

Proceedings Volume 3101, (1997) https://doi.org/10.1117/12.281274

KEYWORDS: Phase only filters, Phase shift keying, Spatial light modulators, Signal to noise ratio, Binary data, Computer simulations, Modulation, Modulators, Liquid crystals, Optical correlators

Read Abstract +

Proceedings Article | 5 February 1996 Paper

Design of phase-only filters with binary amplitude optimizing the discrimination: direct search or simulated annealing?

Esmail Ahouzi, Juan Campos Rubio, Vitaly Kober, Maria Yzuel

Proceedings Volume 2730, (1996) https://doi.org/10.1117/12.231116

KEYWORDS: Phase only filters, Algorithms, Binary data, Signal to noise ratio, Fourier transforms, Detection and tracking algorithms, Switching, Optical pattern recognition, Distortion, Pattern recognition

Read Abstract +

Proceedings Article | 19 January 1995 Paper

Correlation methods in polychromatic objects recognition: application of lithographic filters

Maria Yzuel, Ignacio Moreno, Montserrat Corbalan-Fuertes, Esmail Ahouzi, Maria Millan Garcia-Verela, F. Turon, Christophe Gorecki, Juan Campos Rubio

Proceedings Volume 2363, (1995) https://doi.org/10.1117/12.199635

KEYWORDS: Phase only filters, Optical filters, Lithography, Image processing, Optimal filtering, Pattern recognition, CCD cameras, Optical correlators, Object recognition, Image filtering

Read Abstract +

Proceedings Article | 12 July 1993 Paper

Edge-extraction preprocessing in pattern recognition

Juan Campos, Esmail Ahouzi, Maria Yzuel

Proceedings Volume 1806, (1993) https://doi.org/10.1117/12.147871

KEYWORDS: Phase only filters, Binary data, Electronic filtering, Image filtering, Linear filtering, Pattern recognition, Optical filters, Optical computing, Digital imaging, Digital filtering

Read Abstract +

Showing 5 of 13 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years