Dr. Julio C. Estrada-Rico Profile

Dr. Julio C. Estrada-Rico

at Centro de Investigaciones en Óptica AC

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 26 February 2015 Paper

A compact structured light based otoscope for three dimensional imaging of the tympanic membrane

Anshuman Das, Julio Estrada, Zhifei Ge, Sara Dolcetti, Deborah Chen, Ramesh Raskar

Proceedings Volume 9303, 93031F (2015) https://doi.org/10.1117/12.2079761

KEYWORDS: Ear, 3D image processing, Stereoscopy, Projection systems, Fringe analysis, Image segmentation, Image processing, Visualization, Cameras, Structured light

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SPIE Journal Paper | 18 November 2014

Full-field two-dimensional least-squares method for phase-shifting interferometry

Orlando Medina, Julio Estrada

OE, Vol. 53, Issue 11, 114106, (November 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.11.114106

KEYWORDS: Demodulation, Modulation, Phase interferometry, Interferometry, Image processing, Computing systems, Signal processing, Mathematical modeling, Phase shift keying, Optical engineering

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Proceedings Article | 18 November 2013 Paper

Identification of retinal cells in in-vivo high resolution images

Piero Rangel-Fonseca, Armando Gómez-Vieyra, Daniel Malacara-Hernández, Julio Estrada-Rico, Geovanni Hernández-Gómez

Proceedings Volume 8785, 87855X (2013) https://doi.org/10.1117/12.2027265

KEYWORDS: Algorithm development, Detection and tracking algorithms, Cones, Rods, In vivo imaging, Binary data, Adaptive optics, Image resolution, Lithium, Tissue optics

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Proceedings Article | 13 September 2012 Paper

Recursive linear systems for phase unwrapping

Julio Estrada, Manuel Servin

Proceedings Volume 8493, 84930P (2012) https://doi.org/10.1117/12.928579

KEYWORDS: Linear filtering, System integration, Control systems, Distortion, Image processing, Modulation, Digital filtering, Optical metrology, Demodulation, Dynamical systems

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Proceedings Article | 13 September 2012 Paper

Towards a general theory for MxN pixelated carrier interferometry

J. M. Padilla, M. Servin, J. Estrada, C. Gonzalez

Proceedings Volume 8493, 849315 (2012) https://doi.org/10.1117/12.929341

KEYWORDS: Demodulation, Interferometry, Fringe analysis, Interferometers, Linear filtering, Signal analyzers, Phase interferometry, Phase shifts, Error analysis, Fourier transforms

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Proceedings Article | 13 September 2012 Paper

Regularized self-tuning phase demodulation for phase-shifting interferometry with arbitrary phase shifts

Orlando Medina, Julio Estrada, Manuel Servin

Proceedings Volume 8493, 84930K (2012) https://doi.org/10.1117/12.929756

KEYWORDS: Phase shifts, Demodulation, Modulation, Error analysis, Phase interferometry, Complex systems, Wavefronts, Interferometry, Interferometers, Image analysis

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Proceedings Article | 25 October 2011 Paper

Noise tolerant N-order phase unwrapping system

M. Navarro, J. Estrada, M. Servin

Proceedings Volume 8011, 80112X (2011) https://doi.org/10.1117/12.903442

KEYWORDS: Optical filters, Interferometry, Phase interferometry, Imaging systems, Interference (communication), Linear filtering, Tolerancing, Optical metrology, Magnetism, Magnetic resonance imaging

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Proceedings Article | 3 August 2010 Paper

Linear systems theory for the analysis of phase-shifting algorithms

Julio Estrada, Manuel Servín, Juan Quiroga

Proceedings Volume 7790, 779008 (2010) https://doi.org/10.1117/12.860982

KEYWORDS: Phase shifts, Interferometry, Filtering (signal processing), Algorithm development, Modulation, Phase shifting, Visualization, Fourier transforms, Algorithms, Demodulation

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Proceedings Article | 11 August 2008 Paper

Temporal phase detection of interferograms without frequency carrier

J. Estrada, M. Servin, D. Arroyo

Proceedings Volume 7063, 70631B (2008) https://doi.org/10.1117/12.793785

KEYWORDS: Phase shifts, Interferometry, Algorithm development, Phase interferometry, Spatial frequencies, Interferometers, Mirrors, Optical testing, Fourier transforms, Detection and tracking algorithms

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Proceedings Article | 18 June 2007 Paper

Single fringe pattern demodulation using local adaptable quadrature filters

J. Estrada, M. Servin

Proceedings Volume 6617, 66170R (2007) https://doi.org/10.1117/12.726227

KEYWORDS: Fringe analysis, Demodulation, Modulation, Linear filtering, Bandpass filters, Image filtering, Phase shift keying, System on a chip, Americium, Fourier transforms

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Proceedings Article | 14 August 2006 Paper

Single fringe pattern with closed fringes demodulation using row by row scanners

J. Estrada, M. Servín, J. Quiroga, J. Marroquín

Proceedings Volume 6292, 62920B (2006) https://doi.org/10.1117/12.679139

KEYWORDS: Fringe analysis, Demodulation, Modulation, Scanners, Phase shift keying, Interferometry, Moire patterns, Interferometers, Data processing, Phase interferometry

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Proceedings Article | 14 August 2006 Paper

Temporal demodulation of fringe patterns using continuous phase curvature constraint

J. Estrada, A. Sanchez, M. Servín

Proceedings Volume 6292, 62921G (2006) https://doi.org/10.1117/12.679204

KEYWORDS: Demodulation, Fringe analysis, Optical arrays, Interferometry, Phase shifts, Analytical research, Modulation, Vibration simulation, Image restoration

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Showing 5 of 12 publications

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