Dr. J. Félix Aguilar-Valdez Profile

Dr. J. Félix Aguilar-Valdez

at INAOE

SPIE Involvement:

Author

Publications (16)

SPIE Journal Paper | 16 February 2018 Open Access

Open Access

Focus measure method based on the modulus of the gradient of the color planes for digital microscopy

Román Hurtado-Pérez, Carina Toxqui-Quitl, Alfonso Padilla-Vivanco, J. Félix Aguilar-Valdez, Gabriel Ortega-Mendoza

OE, Vol. 57, Issue 02, 023106, (February 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.2.023106

KEYWORDS: Image fusion, Image quality, RGB color model, Microscopy, Image processing, Digital imaging, 3D image processing, Visualization, Image visualization, Algorithm development

Read Abstract +

Proceedings Article | 21 September 2015 Paper

Paper

Restoration of defocused images using quasi-point sources which are detected with coherent light

R. Ortiz-Sosa, L. R. Berriel-Valdos, J. Félix Aguilar

Proceedings Volume 9600, 960004 (2015) https://doi.org/10.1117/12.2188714

KEYWORDS: Image processing, Light, Deconvolution, Filtering (signal processing), Image restoration, Point spread functions, Image acquisition, Optical transfer functions, Process modeling, Image analysis

Read Abstract +

Proceedings Article | 25 September 2012 Paper

Paper

Measuring of temperatures of phase objects using a point-diffraction interferometer plate made with the thermocavitation process

Juan C. Aguilar, L. Berriel-Valdos, J. Felix Aguilar, S. Mejia-Romero

Proceedings Volume 8494, 84940K (2012) https://doi.org/10.1117/12.927851

KEYWORDS: Refractive index, Interferometers, Tomography, Reconstruction algorithms, Radon transform, Fourier transforms, Wave plates, Titanium, Thin films, Inverse optics

Read Abstract +

Proceedings Article | 3 November 2011 Paper

Paper

Optical-digital restoration of out-of-focus color images detected in microscopy

R. Ortiz-Sosa, L. Berriel-Valdos, J. F. Aguilar, J. Carranza-Gallardo, I. Orlando-Guerrero, S. Mejía-Romero

Proceedings Volume 8011, 801184 (2011) https://doi.org/10.1117/12.903416

KEYWORDS: Image filtering, Optical filters, Microscopes, Optical transfer functions, Charge-coupled devices, Filtering (signal processing), Microscopy, Point spread functions, Image analysis, Fourier transforms

Read Abstract +

Proceedings Article | 3 November 2011 Paper

Paper

Discrete Wigner distribution function applied on images of quasi-point source objects in coherent illumination

S. Mejía-Romero, L. R. Berriel-Valdos, J. F. Aguilar, I. J. Orlando, J. E. A. Landgrave

Proceedings Volume 8011, 801183 (2011) https://doi.org/10.1117/12.903413

KEYWORDS: Wigner distribution functions, Charge-coupled devices, Microscopes, Sensors, CCD image sensors, Diffraction, Convolution, Laser sources, Helium neon lasers, Image acquisition

Read Abstract +

Proceedings Article | 3 November 2011 Paper

Paper

Wendland radial basis functions applied as filters on computed tomography

Juan Aguilar, L. Berriel-Valdos, J. Felix Aguilar

Proceedings Volume 8011, 801186 (2011) https://doi.org/10.1117/12.903420

KEYWORDS: Error analysis, Computed tomography, Tomography, Convolution, Image processing, Linear filtering, Reconstruction algorithms, Fourier transforms, Image restoration, Optical filters

Read Abstract +

Proceedings Article | 3 November 2011 Paper

Paper

Phase unwrapping using morphologic processing

E. de la Rosa Miranda, E. Gonzalez-Ramirez, L. Berriel Valdos, J. Félix Aguilar, G. Miramontes de León

Proceedings Volume 8011, 801181 (2011) https://doi.org/10.1117/12.903404

KEYWORDS: Radon, Infrared imaging, Phase interferometry, Interferometry, Current controlled current source, Computer simulations, Modulation, Numerical simulations, MATLAB, Astrophysics

Read Abstract +

Proceedings Article | 3 November 2011 Paper

Paper

Properties of the near field interactions produced by spherical nanoparticles

J. M. Merlo, J. F. Aguilar, H. González-Hernández, N. Caballero

Proceedings Volume 8011, 801141 (2011) https://doi.org/10.1117/12.903412

KEYWORDS: Particles, Spherical lenses, Nanoparticles, Near field optics, Near field, Dielectrics, Prisms, Microscopes, Refractive index, Radio propagation

Read Abstract +

Proceedings Article | 9 December 2005 Paper

Paper

A two incoherent sources resolution criterion in the phase space

L. Berriel Valdos, J. Aguilar, J. Juárez Pérez, G. Rodríguez Gómez, J. Carranza Gallardo, E. de la Rosa Miranda

Proceedings Volume 6024, 60242K (2005) https://doi.org/10.1117/12.666967

KEYWORDS: Wigner distribution functions, Optical transfer functions, Imaging systems, Diffraction, Image resolution, Point spread functions, Signal to noise ratio, Image processing, Wavefronts, Visualization

Read Abstract +

SPIE Journal Paper | 1 January 2005

Low-numerical-aperture Gaussian beam confocal system for profiling optically smooth surfaces

Moises Cywiak, J. Félix Aguilar, Bernardino Barrientos

OE, Vol. 44, Issue 01, 013604, (January 2005) https://doi.org/10.1117/12.10.1117/1.1829712

KEYWORDS: Gaussian beams, Confocal microscopy, Beam propagation method, Reflectivity, Laser beam diagnostics, Optical engineering, Near field diffraction, Sensors, Resonators, Signal detection

Read Abstract +

Proceedings Article | 19 November 2003 Paper

Paper

Confocal imaging algorithm for profiling rough surfaces with non-gaussian spectra

J. Felix Aguilar

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.527052

KEYWORDS: Confocal microscopy, Scattering, Profiling, Electromagnetism, Detection and tracking algorithms, Optical testing, Computer simulations, Interfaces, Polarization, Image quality

Read Abstract +

Proceedings Article | 22 October 2002 Paper

Paper

Analysis of experimental reflection spectra from diffraction gratings using the Rayleigh theory and a rigorous method

Raul Garcia-Llamas, J. Aguilar

Proceedings Volume 4780, (2002) https://doi.org/10.1117/12.451833

KEYWORDS: Diffraction gratings, Reflection, Specular reflections, Scattering, Photoresist materials, Rayleigh scattering, Reflectometry, Aluminum, Magnetism, Mirrors

Read Abstract +

Proceedings Article | 14 August 2001 Paper

Paper

Range of validity of the Fraunhofer approximation in the estimation of particle size distributions from light diffraction

Javier Vargas-Ubera, D. Gale, J. Felix-Aguilar

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437165

KEYWORDS: Particles, Mie scattering, Numerical analysis, Statistical analysis, Diffraction, Inverse optics, Inverse problems, Refractive index, Scattering, Visible radiation

Read Abstract +

Proceedings Article | 19 July 1999 Paper

Paper

Limitations of the confocal imaging algorithm in surface profiling

J. Aguilar, Colin Sheppard

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354848

KEYWORDS: Reconstruction algorithms, Confocal microscopy, Scattering, Profiling, Image acquisition, Image processing, Algorithm development, Physics, Reflection, Microscopes

Read Abstract +

Proceedings Article | 1 September 1996 Paper

Paper

Theoretical and experimental results in the imaging of optically thick objects in scanning microscopy

J. Felix Aguilar

Proceedings Volume 2778, 27783J (1996) https://doi.org/10.1117/12.2299009

Read Abstract +

Proceedings Article | 4 August 1993 Paper

Paper

Images of dielectric film structures on reflecting substrates

J. Aguilar, Eugenio Mendez

Proceedings Volume 1926, (1993) https://doi.org/10.1117/12.148944

KEYWORDS: Dielectrics, Interfaces, Refractive index, Image acquisition, Microscopes, Reflectivity, Dielectric polarization, Image processing, Scattering, Integrated circuits

Read Abstract +

Showing 5 of 16 publications

SIGN IN TO:

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

Advertisement

Advertisement