Dr. José Manuel López-Alonso Profile

Dr. José Manuel López-Alonso

Associate Professor at Univ Complutense de Madrid

SPIE Involvement:

Author

Publications (31)

SPIE Journal Paper | 7 June 2016 Open Access

Characterization of spatial–temporal patterns in dynamic speckle sequences using principal component analysis

José Manuel López-Alonso, Eduardo Grumel, Nelly Lucía Cap, Marcelo Trivi, Héctor Rabal, Javier Alda

OE, Vol. 55, Issue 12, 121705, (June 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.12.121705

KEYWORDS: Principal component analysis, Speckle, Speckle pattern, Optical engineering, Biological research, Statistical analysis, Image filtering, Signal to noise ratio, Lanthanum, Speckle analysis

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Proceedings Article | 9 September 2015 Paper

Characterization of dynamic speckle sequences using principal component analysis and image descriptors

José M. López-Alonso, Eduardo Grumel, Nelly Cap, Marcelo Trivi, Héctor Rabal, Javier Alda

Proceedings Volume 9598, 95980Q (2015) https://doi.org/10.1117/12.2187978

KEYWORDS: Principal component analysis, Speckle, Image analysis, Video, Signal to noise ratio, Biological research, Image processing, Statistical analysis, Lanthanum, Speckle analysis

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Proceedings Article | 28 August 2015 Presentation + Paper

Resonant elements contactless coupled to bolometric micro-stripes

Alexander Cuadrado, Manuel Silva-López, José López-Alonso, Juan Martínez-Antón, José Ezquerro, Francisco González, Javier Alda

Proceedings Volume 9547, 95471Z (2015) https://doi.org/10.1117/12.2187951

KEYWORDS: Antennas, Polarization, Optical antennas, Optical components, Sensors, Electroluminescent displays, Signal detection, Chemical elements, Transducers, Photomasks

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Proceedings Article | 28 August 2015 Paper

Analysis of the spectral response of fractal antennas related with its geometry and current paths

Alexander Cuadrado, José López-Alonso, Juan Martínez-Antón, José Ezquerro, Francisco González, Javier Alda

Proceedings Volume 9547, 954736 (2015) https://doi.org/10.1117/12.2187946

KEYWORDS: Fractal analysis, Antennas, Polarization, Electroluminescent displays, Optical antennas, Transducers, Chemical elements, Electromagnetism, Wavefronts, Satellites

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Proceedings Article | 28 August 2015 Paper

Detectivity comparison of bolometric optical antennas

Alexander Cuadrado, José López-Alonso, Juan Martínez-Antón, Jose Ezquerro, Francisco González, Javier Alda

Proceedings Volume 9547, 954735 (2015) https://doi.org/10.1117/12.2187926

KEYWORDS: Optical antennas, Antennas, Sensors, Signal to noise ratio, Polarization, Optical components, Electroluminescent displays, Interference (communication), Gold, Modulation

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Proceedings Article | 19 May 2006 Paper

Characterization of transmission lines at IR

T. Mandviwala, José Manuel López-Alonso, B. Lail, G. Boreman

Proceedings Volume 6212, 621212 (2006) https://doi.org/10.1117/12.666066

KEYWORDS: Antennas, Bolometers, Signal attenuation, Long wavelength infrared, Infrared radiation, Refraction, Silicon, Plasma enhanced chemical vapor deposition, Polarization, Metals

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Proceedings Article | 18 May 2006 Paper

Millimeter wave imaging system for the detection of nonmetallic objects

Todd Du Bosq, Jose Lopez-Alonso, Glenn Boreman, David Muh, Jeffrey Grantham, Daniel Dillery

Proceedings Volume 6217, 621723 (2006) https://doi.org/10.1117/12.665607

KEYWORDS: Land mines, Imaging systems, Signal to noise ratio, Extremely high frequency, Principal component analysis, Metals, Millimeter wave imaging, Aluminum, Reflection, Mining

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Proceedings Article | 12 October 2005 Paper

Infrared antenna metrology

José López-Alonso, Tasneem Mandviwala, Javier Alda, B. Lail, Glenn Boreman

Proceedings Volume 5987, 59870L (2005) https://doi.org/10.1117/12.631217

KEYWORDS: Antennas, Sensors, Infrared radiation, Principal component analysis, Polarization, Infrared sensors, Interference (communication), Infrared detectors, Deconvolution, Beam shaping

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Proceedings Article | 12 October 2005 Paper

Alignment characterization in microvisible and IR technologies

José López-Alonso, Javier Alda, Glenn Boreman

Proceedings Volume 5987, 59870K (2005) https://doi.org/10.1117/12.631216

KEYWORDS: Monochromatic aberrations, Infrared radiation, Principal component analysis, Beam shaping, Signal to noise ratio, Sensors, Gaussian beams, Optical components, Optical simulations, Deconvolution

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SPIE Journal Paper | 1 August 2005

Characterization of digital-micromirror device-based infrared scene projector

William Folks, José López-Alonso, Brian Monacelli, Arthur Weeks, Guy Zummo, Daniel Mullaly, Glenn Boreman

OE, Vol. 44, Issue 08, 086402, (August 2005) https://doi.org/10.1117/12.10.1117/1.2013249

KEYWORDS: Modulation transfer functions, Cameras, Long wavelength infrared, Projection systems, Mid-IR, Digital micromirror devices, Infrared imaging, 3D modeling, Infrared radiation, Staring arrays

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Proceedings Article | 7 July 2005 Paper

LED panel displays: manufacturing uncertainties and global color performance

J. Lopez-Alonso, D. Vazquez, E. Bernabeu

Proceedings Volume 5840, (2005) https://doi.org/10.1117/12.608970

KEYWORDS: Light emitting diodes, LED displays, Manufacturing, Eye, Visualization, Process control, Modulation transfer functions, Monte Carlo methods, Control systems, Calibration

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Proceedings Article | 7 July 2005 Paper

Multivariate analysis of photonic crystal microcavities with fabrication defects

Jose Rico-Garcia, Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5840, (2005) https://doi.org/10.1117/12.608709

KEYWORDS: Photonic crystals, Optical microcavities, Principal component analysis, Finite-difference time-domain method, Manufacturing, Signal to noise ratio, Error analysis, Mahalanobis distance, Statistical analysis, Electromagnetism

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Proceedings Article | 28 June 2005 Paper

FDTD analysis of nano-antenna structures with dispersive materials at optical frequencies

Jose Rico-Garcia, Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5838, (2005) https://doi.org/10.1117/12.608708

KEYWORDS: Metals, Antennas, Finite-difference time-domain method, Visible radiation, Dielectrics, Dielectric polarization, Optical antennas, Maxwell's equations, Refraction, Electromagnetic radiation

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SPIE Journal Paper | 1 May 2005

Infrared laser beam temporal fluctuations: characterization and filtering

José López-Alonso, Brian Monacelli, Javier Alda, Glenn Boreman

OE, Vol. 44, Issue 05, 054203, (May 2005) https://doi.org/10.1117/12.10.1117/1.1905364

KEYWORDS: Optical filters, Sensors, Infrared lasers, Principal component analysis, Signal processing, Infrared sensors, Gas lasers, Optical engineering, Interference (communication), Signal detection

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Proceedings Article | 6 December 2004 Paper

Finite-difference time-domain simulation of low-F# Fresnel zone plates coupled to IR antennas

Jose Rico-Garcia, Jose Lopez-Alonso, Brian Lail, Glenn Boreman, Javier Alda

Proceedings Volume 5612, (2004) https://doi.org/10.1117/12.579943

KEYWORDS: Antennas, Finite-difference time-domain method, Silicon, Infrared imaging, Computer generated holography, Staring arrays, Semiconducting wafers, Zone plates, Infrared radiation, Computer simulations

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Proceedings Article | 6 December 2004 Paper

Characterization of hyperspectral imagers and scenes: background and equipment artifacts

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5612, (2004) https://doi.org/10.1117/12.578936

KEYWORDS: Hyperspectral imaging, Imaging systems, Staring arrays, Infrared imaging, Infrared radiation, Optical filters, Principal component analysis, Sensors, Vegetation, Hyperspectral systems

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Proceedings Article | 30 November 2004 Paper

Characterization of FDTD artifacts and modes in photonic crystals

Jose Lopez-Alonso, Jose Rico-Garcia, Javier Alda

Proceedings Volume 5618, (2004) https://doi.org/10.1117/12.578948

KEYWORDS: Principal component analysis, Photonic crystals, Finite-difference time-domain method, Electromagnetism, Optical microcavities, Statistical analysis, Photonic crystal devices, Analytical research, Computer simulations, Refraction

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Proceedings Article | 5 August 2004 Paper

Spatial characterization of light detectors with nanometric resolution

Javier Alda, Jose Lopez-Alonso, Jose Rico-Garcia, Jesus Zoido, Glenn Boreman

Proceedings Volume 5407, (2004) https://doi.org/10.1117/12.543979

KEYWORDS: Sensors, Optical antennas, Polarization, Antennas, Deconvolution, Spatial resolution, Modulation, Infrared sensors, Visible radiation, Infrared radiation

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Proceedings Article | 5 August 2004 Paper

Characterization of phase artifacts for focal plane arrays

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5407, (2004) https://doi.org/10.1117/12.543981

KEYWORDS: Modulation transfer functions, Staring arrays, Modulation, Optical transfer functions, Stochastic processes, Cameras, Phase shift keying, Atrial fibrillation, Imaging systems, Systems modeling

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Proceedings Article | 25 May 2004 Paper

Spatial-temporal structures in noise processes: microscopic and macroscopic dynamics

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5471, (2004) https://doi.org/10.1117/12.547079

KEYWORDS: Principal component analysis, Stochastic processes, Process modeling, Systems modeling, Staring arrays, Fourier transforms, Sensors, Interference (communication), Statistical analysis, Motion models

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Proceedings Article | 25 May 2004 Paper

Correlations in finance: a statistical approach

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5471, (2004) https://doi.org/10.1117/12.547082

KEYWORDS: Mahalanobis distance, Principal component analysis, Matrices, Stochastic processes, Telecommunications, Time series analysis, Statistical analysis, Process modeling, Detector arrays, Complex systems

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Proceedings Article | 25 May 2004 Paper

Noise in imaging systems: fixed pattern noise, electronic, and interference noise

Jose Lopez-Alonso, Ruben Gonzalez-Moreno, Javier Alda

Proceedings Volume 5468, (2004) https://doi.org/10.1117/12.547092

KEYWORDS: Charge-coupled devices, Imaging systems, Cameras, Sensors, CCD image sensors, Metrology, Optical filters, Solid state electronics, CCD cameras, Digital imaging

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Proceedings Article | 12 April 2004 Paper

Characterization of scenarios for multiband and hyperspectral imagers

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5439, (2004) https://doi.org/10.1117/12.543983

KEYWORDS: Imaging systems, Hyperspectral imaging, Surveillance, Remote sensing, Statistical analysis, Principal component analysis, Digital filtering

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Proceedings Article | 5 February 2004 Paper

Identification of weak faint point sources by using principal component analysis

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5238, (2004) https://doi.org/10.1117/12.509655

KEYWORDS: Principal component analysis, Signal to noise ratio, Sensors, Image filtering, Remote sensing, Interference (communication), Atmospheric turbulence, Target detection, Infrared radiation, Staring arrays

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SPIE Journal Paper | 1 January 2004

Characterization of artifacts in fully digital image-acquisition systems: Application to web cameras

José López-Alonso, Javier Alda

OE, Vol. 43, Issue 01, (January 2004) https://doi.org/10.1117/12.10.1117/1.1626667

KEYWORDS: Principal component analysis, Cameras, Spatial frequencies, Image compression, Video, Analog electronics, Optical engineering, Image processing, Imaging systems, Electronics

Proceedings Article | 8 July 2003 Paper

Spatial-temporal characterization of noise in web cameras

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5036, (2003) https://doi.org/10.1117/12.498552

KEYWORDS: Cameras, Image compression, Image processing, Principal component analysis, Image enhancement, Image acquisition, Imaging systems, Interference (communication), Image resolution, Detector arrays

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Proceedings Article | 8 July 2003 Paper

Principal component analysis of noise in an image-acquisition system: bad pixel extraction

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 5036, (2003) https://doi.org/10.1117/12.498343

KEYWORDS: Principal component analysis, Detector arrays, Signal detection, Sensors, Statistical analysis, Cameras, Interference (communication), Mahalanobis distance, Image analysis, Image compression

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SPIE Journal Paper | 1 July 2003

Operational parametrization of the 1/f noise of a sequence of frames by means of the principal component analysis in focal plane arrays

José López-Alonso, Javier Alda

OE, Vol. 42, Issue 07, (July 2003) https://doi.org/10.1117/12.10.1117/1.1579490

KEYWORDS: Principal component analysis, Calibration, Staring arrays, Sensors, Fourier transforms, Cameras, Infrared cameras, Interference (communication), Infrared imaging, Time metrology

SPIE Journal Paper | 1 September 2002

Bad pixel identification by means of principal components analysis

Jose Lopez-Alonso, Javier Alda

OE, Vol. 41, Issue 09, (September 2002) https://doi.org/10.1117/12.10.1117/1.1497397

KEYWORDS: Infrared cameras, Sensors, Cameras, CCD cameras, Visible radiation, Principal component analysis, Staring arrays, Signal detection, Statistical analysis, Infrared imaging

Proceedings Article | 29 July 2002 Paper

Automatic classification for noise of infrared images into processes by means of the principal component analysis

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 4719, (2002) https://doi.org/10.1117/12.477455

KEYWORDS: Principal component analysis, Infrared imaging, Infrared radiation, Cameras, Fourier transforms, Imaging systems, Staring arrays, Image classification, Image processing, Sensors

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Proceedings Article | 29 July 2002 Paper

Matricial representation of the transfer function for aliased systems

Jose Lopez-Alonso, Javier Alda

Proceedings Volume 4719, (2002) https://doi.org/10.1117/12.477478

KEYWORDS: Staring arrays, Optical transfer functions, Modulation transfer functions, Sensors, Optical filters, Linear filtering, Spatial frequencies, Image filtering, Matrices, Imaging systems

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