Prof. David Mas Profile

Prof. David Mas

at Univ de Alicante

SPIE Involvement:

Author

Area of Expertise:

Image processing , Fresnel integral , Physiological Optics

Websites:

Company Website | Personal Website

Publications (22)

Proceedings Article | 18 June 2024 Poster + Paper

Calibration of a photographic slider for subpixel tracking tests on heavy objects

Belén Ferrer, María-Baralida Tomás, David Mas

Proceedings Volume 12998, 1299816 (2024) https://doi.org/10.1117/12.3015432

KEYWORDS: Calibration, Cameras, Photography, Image processing, Velocity measurements, Light sources and illumination, Digital recording, Video processing

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Proceedings Article | 18 June 2024 Poster + Paper

How to measure a subpixel displacement

María-Baralida Tomás, Belén Ferrer, David Mas

Proceedings Volume 12998, 1299815 (2024) https://doi.org/10.1117/12.3012470

KEYWORDS: Cameras, Sensors, Motion detection, Spatial resolution, Temporal resolution, Target detection, Motion analysis, Heatsinks, Calibration, Light sources and illumination

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Proceedings Article | 18 June 2024 Poster + Paper

Thermic distortions in target tracking with subpixel accuracy

David Mas, María-Baralida Tomás, Belén Ferrer

Proceedings Volume 12998, 1299817 (2024) https://doi.org/10.1117/12.3015434

KEYWORDS: Heatsinks, Cameras, Thermal deformation, Sensors, Image analysis, Temperature metrology, Image stabilization, Image sensors, Visualization, Thermal effects

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Proceedings Article | 1 April 2020 Paper

Peak-locking minimization by three adjustment methods

María Baralida Tomás, David Mas, Belen Ferrer

Proceedings Volume 11353, 113531I (2020) https://doi.org/10.1117/12.2554024

KEYWORDS: Digital image correlation, Detection and tracking algorithms, Error analysis, Image analysis, Physics, Data analysis, MATLAB, Correlation function, Visualization

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Proceedings Article | 1 April 2020 Paper

High-speed video analysis of spontaneous and reflex to light blinking

Julián Espinosa, Marina Martínez, Jorge Perez, Begoña Domenech, Carmen Vazquez, David Mas

Proceedings Volume 11353, 113531V (2020) https://doi.org/10.1117/12.2555403

KEYWORDS: Eye, Video, Cameras, Light emitting diodes, Electromyography, Statistical analysis, High speed cameras, Video processing, Physics, Imaging systems

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Proceedings Article | 1 April 2020 Paper

Optimizing rectangular-shaped object tracking with subpixel resolution

Belen Ferrer, Jorge Perez, David Mas, Julian Espinosa

Proceedings Volume 11353, 113531R (2020) https://doi.org/10.1117/12.2555004

KEYWORDS: Sensors, Numerical simulations, Image sensors, Cameras, Charge-coupled devices, Error analysis, MATLAB, Physics, Optical tracking, Super resolution

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Proceedings Article | 1 April 2020 Paper

Use of image correlation to measure hygric swelling in rocks

Belén Ferrer, M. Baralida Tomás, David Benavente, David Mas

Proceedings Volume 11353, 113531T (2020) https://doi.org/10.1117/12.2555077

KEYWORDS: Digital image correlation, Cameras, Image processing, Sensors, Imaging systems, Speckle, Image resolution, Objectives

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Proceedings Article | 8 October 2015 Open Access

Innovative education networking aimed at multimedia tools for geometrical optics learning

P. García-Martínez, C. Zapata-Rodríguez, C. Ferreira, I. Fernández, D. Pastor, M. Nasenpour, I. Moreno, M. M. Sánchez-López, J. Espinosa, D. Mas, J. Miret

Proceedings Volume 9793, 97930L (2015) https://doi.org/10.1117/12.2223077

KEYWORDS: Geometrical optics, Multimedia, Ray tracing, Prisms, Refraction, Mirrors, Video, Electroluminescence, Lenses, Visualization

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Proceedings Article | 1 May 2014 Paper

Use of Costas arrays in subpixel metrology

John Healy, Gavin Sweeney, David Mas, John Sheridan

Proceedings Volume 9131, 91311J (2014) https://doi.org/10.1117/12.2051787

KEYWORDS: Binary data, Cameras, Charge-coupled devices, Target detection, Metrology, Image processing, Information operations, Sensors, Matrices, Optical tracking

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Proceedings Article | 8 May 2012 Paper

Propagation, structural similarity, and image quality

Jorge Pérez, David Mas, Julián Espinosa, Carmen Vázquez, Carlos Illueca

Proceedings Volume 8427, 84273E (2012) https://doi.org/10.1117/12.922531

KEYWORDS: Image quality, Visualization, Eye, Surgery, Geometrical optics, Point spread functions, Modulation transfer functions, Retina, Diffraction, Wavefronts

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Proceedings Article | 8 May 2012 Paper

Corneal topography reinterpretation through separate analysis of the projected rings

Julian Espinosa, Ana Roig, David Mas, Consuelo Hernández, Carlos Illueca

Proceedings Volume 8427, 84273Q (2012) https://doi.org/10.1117/12.922762

KEYWORDS: Calibration, Cornea, Image processing, Cameras, Video, Monochromatic aberrations, Data processing, Reflection, Eye, Data conversion

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Proceedings Article | 2 May 2012 Paper

High speed image techniques for construction safety net monitoring in outdoor conditions

Belen Ferrer, Juan Pomares, Ramón Irles, Julian Espinosa, David Mas

Proceedings Volume 8436, 84361B (2012) https://doi.org/10.1117/12.922732

KEYWORDS: Safety, Image processing, High speed cameras, Hough transforms, Cameras, Image filtering, Detection and tracking algorithms, Digital filtering, Motion analysis, Injuries

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Proceedings Article | 1 May 2012 Paper

Use of subpixel techniques in pocket cameras to measure vibrations and displacements

David Mas, Julián Espinosa, Ana Roig, Belén Ferrer, Jorge Pérez

Proceedings Volume 8436, 84360P (2012) https://doi.org/10.1117/12.922247

KEYWORDS: Cameras, Adaptive optics, Target detection, Video, Spatial resolution, Image processing, Optical resolution, Sensors, Image resolution, Error analysis

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SPIE Journal Paper | 1 March 2010 Open Access

Optical surface reconstruction technique through combination of zonal and modal fitting

Julián Espinosa, David Mas, Jorge Pérez, Carlos Illueca

JBO, Vol. 15, Issue 02, 026022, (March 2010) https://doi.org/10.1117/12.10.1117/1.3394260

KEYWORDS: Zernike polynomials, Cornea, Biomedical optics, Matrices, Optical spheres, Wavefronts, Cameras, Charge-coupled devices, Error analysis, Measurement devices

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Proceedings Article | 4 September 2009 Paper

Analysis of keratoscopic images for detecting fixational eye movements and ocular surface deformation

M. Kowalska, D. Mas, H. Kasprzak

Proceedings Volume 7447, 74470N (2009) https://doi.org/10.1117/12.825680

KEYWORDS: Eye, Head, Correlation function, Image analysis, Cornea, Motion analysis, Cameras, Blood, Fourier transforms, Cones

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SPIE Journal Paper | 1 July 2009 Open Access

Corneal primary aberrations compensation by oblique light incidence

Julian Espinosa, David Mas, Henryk Kasprzak

JBO, Vol. 14, Issue 04, 044003, (July 2009) https://doi.org/10.1117/12.10.1117/1.3158996

KEYWORDS: Monochromatic aberrations, Eye, Point spread functions, Crystals, Eye models, Cornea, Geometrical optics, Wavefronts, Biomedical optics, Retina

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Proceedings Article | 24 September 2005 Paper

Determination of chromatic aberration in the human eye by means of Fresnel propagation theory

David Mas, Jorge Perez, Carlos Illueca, Julian Espinosa, Consuelo Hernandez, Carmen Vazquez, Juan Miret

Proceedings Volume 5959, 595911 (2005) https://doi.org/10.1117/12.624374

KEYWORDS: Eye, Chromatic aberrations, Crystals, Eye models, Colorimetry, Refraction, Wave propagation, Cornea, Refractive index, Image quality

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Proceedings Article | 19 November 2003 Paper

Numerical calculation of the corneal transmittance

Jorge Perez, David Mas, C. Vazquez, Consuelo Hernandez, Carlos Illueca

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530758

KEYWORDS: Cornea, Transmittance, Ray tracing, Refraction, Computer simulations, Chemical elements, Diffraction, Paraxial approximations, Adaptive optics, Geometrical optics

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Proceedings Article | 19 November 2003 Paper

Objective quality criterions to determinate the best image plane in highly deformed human corneas

Consuelo Hernandez, C. Vazquez, Carlos Illueca, David Mas, Jorge Perez

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530488

KEYWORDS: Cornea, Image quality, Image processing, Near field optics, Objectives, Image acquisition, Natural surfaces, Near field diffraction, Transmittance, Near field

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SPIE Journal Paper | 1 June 2000

From Fresnel patterns to fractional Fourier transform through geometrical optics

David Mas, Carlos Ferreira, Javier Garcia, Luis Bernardo

OE, Vol. 39, Issue 06, (June 2000) https://doi.org/10.1117/12.10.1117/1.602513

KEYWORDS: Fractional fourier transform, Geometrical optics, Imaging systems, Near field diffraction, Diffraction, Fourier transforms, Quantum optics, Signal processing, Quantum mechanics, GRIN lenses

Proceedings Article | 22 May 1998 Paper

Fresnel diffraction calculation through the fast fractional Fourier transform

David Mas, Carlos Ferreira, Javier Garcia

Proceedings Volume 3490, (1998) https://doi.org/10.1117/12.308852

KEYWORDS: Near field diffraction, Fractional fourier transform, Fourier transforms, Imaging systems, Diffraction, Algorithm development, Chlorine, Beam propagation method, Numerical simulations, Nickel

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Proceedings Article | 22 September 1997 Paper

DOE-based wavelength multiplexing system for a single-mode image transmission

David Mendlovic, Javier Garcia, Zeev Zalevsky, Emanuel Marom, David Mas, Carlos Ferreira Garcia, Adolf Lohmann

Proceedings Volume 3110, (1997) https://doi.org/10.1117/12.287840

KEYWORDS: Diffractive optical elements, Multiplexing, Image transmission, Computer programming, Single mode fibers, Fourier transforms, Super resolution, Optical fibers, Telecommunications, Spatial resolution

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Showing 5 of 22 publications

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