Dr. Gonzalo Urcid Profile

Dr. Gonzalo Urcid

Researcher

SPIE Involvement:

Author

Area of Expertise:

applied mathematics , multichannel digital image processing , lattice neural networks , pattern recognition

Websites:

Personal Website | Company Website

Profile Summary

Gonzalo Urcid received his B.E. (1982) and M.Sc. (1985) both from the University of the Americas in Puebla, Mexico, and his Ph.D. (1999) in optics from the National Institute of Astrophysics, Optics, and Electronics (INAOE) in Tonantzintla, Mexico. He holds the appointment since 2001 of National Researcher from the Mexican National Council of Science and Technology (SNI-CONACYT), and currently is an Associate Professor in the Optics Department at INAOE. His present research interests include applied mathematics, digital processing of multichannel images, artificial neural networks based on lattice algebra, and pattern recognition.

https://orcid.org/0000-0001-8641-2038

Publications (21)

Proceedings Article | 3 October 2022 Presentation + Paper

Presentation + Paper

Redundancy in lattice algebra based associative neural networks for image retrieval from noisy inputs

Gonzalo Urcid, José-Angel Nieves-Vázquez, Rocío Morales-Salgado

Proceedings Volume 12226, 1222614 (2022) https://doi.org/10.1117/12.2633686

KEYWORDS: Neural networks, Matrices, Image retrieval, RGB color model, Mathematical modeling

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Proceedings Article | 22 September 2015 Paper

Paper

A dendritic lattice neural network for color image segmentation

Gonzalo Urcid, Luis David Lara-Rodríguez, Elizabeth López-Meléndez

Proceedings Volume 9599, 95992O (2015) https://doi.org/10.1117/12.2188795

KEYWORDS: Image segmentation, Neurons, Prototyping, Dendrites, RGB color model, Neural networks, Color image segmentation, Fuzzy logic, Nickel, Color image processing

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Proceedings Article | 22 September 2015 Paper

Paper

Fourier-based segmentation of microcalcifications in mammograms

Elizabeth López-Meléndez, Luis David Lara-Rodríguez, Gonzalo Urcid

Proceedings Volume 9599, 95992N (2015) https://doi.org/10.1117/12.2188703

KEYWORDS: Image segmentation, Mammography, Fourier transforms, Image enhancement, Binary data, Sensors, Image processing, Tissues, Image filtering, Databases

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Proceedings Article | 19 September 2014 Paper

Paper

Multispectral image restoration of historical documents based on LAAMs and mathematical morphology

Edwin Lechuga-S., Juan C. Valdiviezo-N., Gonzalo Urcid

Proceedings Volume 9216, 921604 (2014) https://doi.org/10.1117/12.2061479

KEYWORDS: Multispectral imaging, Image restoration, Imaging systems, RGB color model, Image processing, Spectroscopy, Cameras, Image acquisition, Content addressable memory, Mathematical morphology

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Proceedings Article | 6 March 2013 Paper

Paper

An efficient algorithm for food quality control based on multispectral signatures

Juan Valdiviezo-N., Gonzalo Urcid, Carina Toxqui, Alfonso Padilla, Cesar Santiago

Proceedings Volume 8661, 86610X (2013) https://doi.org/10.1117/12.2008567

KEYWORDS: Content addressable memory, Multispectral imaging, Image segmentation, Image processing, Classification systems, Inspection, Imaging systems, Image classification, Analytical research, Matrices

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Proceedings Article | 15 October 2012 Paper

Paper

A comparison of autonomous techniques for multispectral image analysis and classification

Juan C. Valdiviezo-N., Gonzalo Urcid, Carina Toxqui-Quitl, Alfonso Padilla-Vivanco

Proceedings Volume 8499, 849920 (2012) https://doi.org/10.1117/12.930289

KEYWORDS: Principal component analysis, Image classification, Multispectral imaging, Image analysis, Scene classification, Reflectivity, Content addressable memory, Image processing, Radon, Matrices

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Proceedings Article | 3 November 2011 Paper

Paper

Unsupervised color image segmentation using a lattice algebra clustering technique

Gonzalo Urcid, Gerhard Ritter

Proceedings Volume 8011, 80117D (2011) https://doi.org/10.1117/12.902214

KEYWORDS: Image segmentation, RGB color model, Matrices, Color image segmentation, Image processing, Algorithm development, Image processing algorithms and systems, Radon, Color image processing, Content addressable memory

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Proceedings Article | 3 November 2011 Paper

Paper

Relative entropy of grayscale images degraded by bit-plane quantization and random noise

Gonzalo Urcid

Proceedings Volume 8011, 80116W (2011) https://doi.org/10.1117/12.901929

KEYWORDS: Signal to noise ratio, Quantization, Binary data, Interference (communication), Image compression, Statistical analysis, Thermodynamics, Mechanics, Communication theory, Image processing

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Proceedings Article | 29 September 2009 Paper

Paper

Endmember search techniques based on lattice auto-associative memories: a case on vegetation discrimination

Gonzalo Urcid, Juan Carlos Valdiviezo-N., Gerhard Ritter

Proceedings Volume 7477, 74771D (2009) https://doi.org/10.1117/12.834213

KEYWORDS: Hyperspectral imaging, Radon, Vegetation, Matrices, Binary data, Laser imaging, Content addressable memory, Data modeling, Image segmentation, Mathematical modeling

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Proceedings Article | 11 February 2009 Paper

Paper

Robust image retrieval from noisy inputs using lattice associative memories

Gonzalo Urcid, José Angel Nieves-V., Anmi García-A., Juan Carlos Valdiviezo-N.

Proceedings Volume 7245, 724517 (2009) https://doi.org/10.1117/12.806886

KEYWORDS: Signal to noise ratio, Transform theory, Radon, Content addressable memory, Image retrieval, Matrices, Image enhancement, Mathematical modeling, Neural networks, Binary data

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Proceedings Article | 24 September 2007 Paper

Paper

Hyperspectral endmember detection based on strong lattice independence

Juan-Carlos Valdiviezo-Navarro, Gonzalo Urcid-Serrano

Proceedings Volume 6696, 669625 (2007) https://doi.org/10.1117/12.735262

KEYWORDS: Hyperspectral imaging, Image processing, Reflectivity, Image segmentation, Content addressable memory, Remote sensing, Laser imaging, Satellites, Minerals, Electromagnetism

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Proceedings Article | 17 September 2007 Paper

Paper

Generation of lattice independent vector sets for pattern recognition applications

Gonzalo Urcid-S., Juan-Carlos Valdiviezo-N.

Proceedings Volume 6700, 67000C (2007) https://doi.org/10.1117/12.731925

KEYWORDS: Transform theory, Pattern recognition, Detection and tracking algorithms, Laser imaging, Hyperspectral imaging, Vector spaces, Matrices, Lithium, Binary data, Algorithms

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SPIE Journal Paper | 1 January 2007

Comparative analysis of pattern reconstruction using orthogonal moments

Alfonso Padilla-Vivanco, Gonzalo Urcid-Serrano, Fermín-Solomon Granados-Agustín, Alejandro Cornejo Rodriguez

OE, Vol. 46, Issue 01, 017002, (January 2007) https://doi.org/10.1117/12.10.1117/1.2432878

KEYWORDS: Signal to noise ratio, Optical engineering, Image restoration, Image filtering, Spatial frequencies, Image processing, Wavelet transforms, Binary data, Zernike polynomials, Denoising

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Proceedings Article | 12 September 2005 Paper

Paper

Lattice associative memories that are robust in the presence of noise

Gerhard Ritter, Gonzalo Urcid-Serrano, Mark Schmalz

Proceedings Volume 5916, 59160Q (2005) https://doi.org/10.1117/12.622589

KEYWORDS: Neurons, Dendrites, Content addressable memory, Prototyping, Brain, Mathematical modeling, Neural networks, Artificial neural networks, Instrument modeling, Optical fibers

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Proceedings Article | 30 August 2005 Paper

Paper

Transformations of neural inputs in lattice dendrite computation

Gonzalo Urcid

Proceedings Volume 5916, 59160K (2005) https://doi.org/10.1117/12.615241

KEYWORDS: Dendrites, Neurons, Neural networks, Mathematical modeling, Detection and tracking algorithms, Transform theory, Artificial neural networks, Image classification, Mathematical morphology, Neurophysiology

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Proceedings Article | 2 November 2004 Paper

Paper

Multifocus image fusion using the Haar wavelet transform

Carina Toxqui-Quitl, Alfonso Padilla-Vivanco, Gonzalo Urcid-Serrano

Proceedings Volume 5558, (2004) https://doi.org/10.1117/12.560032

KEYWORDS: Image fusion, Wavelets, Wavelet transforms, Digital image processing, Image sensors, Discrete wavelet transforms, Image processing, Sensors, Binary data, Matrices

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Proceedings Article | 2 November 2004 Paper

Paper

Correlation-based rotational signature of planar binary objects

Gonzalo Urcid-Serrano, Alfonso Padilla-Vivanco, Alejandro Cornejo-Rodriguez, Javier Baez-Rojas

Proceedings Volume 5558, (2004) https://doi.org/10.1117/12.558744

KEYWORDS: Convolution, Binary data, Distortion, Optical correlators, Object recognition, Transparency, Hybrid optics, Analog electronics, Image analysis

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Proceedings Article | 6 February 2004 Paper

Paper

Optical-digital incoherent system for image reconstruction by using Zernike moments

Alfonso Padilla-Vivanco, Fermin-Solomon Granados-Agustin, Gonzalo Urcid-Serrano, Javier Baez-Rojas

Proceedings Volume 5237, (2004) https://doi.org/10.1117/12.514382

KEYWORDS: Image restoration, LCDs, Binary data, Zernike polynomials, Matrices, Reconstruction algorithms, CCD image sensors, Image sensors, Spatial resolution, Video

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SPIE Journal Paper | 1 December 2002

Two-dimensional average contrast analysis of the joint Fourier spectrum under rotation of an input object

Alfonso Padilla-Vivanco, Gonzalo Urcid-Serrano, Javier Baez-Rojas, Alejandro Cornejo-Rodriguez

OE, Vol. 41, Issue 12, (December 2002) https://doi.org/10.1117/12.10.1117/1.1518676

KEYWORDS: Fourier transforms, Binary data, Optical engineering, Image processing, Fringe analysis, Brain, Transparency, Charge-coupled devices, Analog electronics, Optical correlators

SPIE Journal Paper | 1 October 2001

Digital synthesis of binary diffractive masks using mathematical morphology

G. Urcid-S., Javier Baez-Rojas, Alejandro Cornejo-Rodriguez

OE, Vol. 40, Issue 10, (October 2001) https://doi.org/10.1117/12.10.1117/1.1404116

KEYWORDS: Binary data, Mathematical morphology, Raster graphics, Transmittance, Far-field diffraction, Video, Visualization, Optical engineering, LCDs, Diffraction

Proceedings Article | 14 August 2001 Paper

Paper

Analysis of the joint Fourier spectrum for dual-input single-channel rotation

G. Urcid-S., A. Padilla-V., Alejandro Cornejo-Rodriguez, Javier Baez-Rojas

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437097

KEYWORDS: Visibility, Fringe analysis, Binary data, Analog electronics, Diffraction, Image filtering, Modulation, Interferometers, Spatial frequencies, Channel projecting optics

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Showing 5 of 21 publications

Conference Committee Involvement (1)

Mathematical Methods in Pattern and Image Analysis

3 August 2005 | San Diego, California, United States

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