Dr. Johnson Garzón Reyes Profile

Dr. Johnson Garzón Reyes

at Univ Pontificia Bolivariana

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 16 May 2007 Paper

Paper

3D reconstruction of surface by means of modified temporal unwrapping

Johnson Garzón, July Galeano, Carlos López, Derfrey Duque

Proceedings Volume 6422, 64220K (2007) https://doi.org/10.1117/12.742575

KEYWORDS: Visibility, Phase shifting, Reconstruction algorithms, Fringe analysis, Phase shift keying, Phase shifts, 3D modeling, Intelligence systems, Fourier transforms, Structured light

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Proceedings Article | 21 October 2004 Paper

Paper

Chromatic confocal method for determination of the refractive index and thickness

Johnson Garzon Reyes, J. Meneses, Arturo Plata, Gilbert Tribillon, Tijani Gharbi

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.592207

KEYWORDS: Confocal microscopy, Refractive index, Colorimetry, Chromatic aberrations, Fresnel lenses, Image segmentation, Imaging systems, Calibration, Spectroscopy, Sensors

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Proceedings Article | 21 October 2004 Paper

Paper

Determination of textile local defects by digital image processing

N. Aguilar, Johnson Garzon Reyes, Angel Salazar Martinez, F. Perez

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.591177

KEYWORDS: Radon transform, Image processing, Binary data, Digital image processing, Defect detection, RGB color model, Image filtering, Machine vision, Inspection, Laser optics

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Proceedings Article | 21 October 2004 Paper

Paper

Axial resolution of a chromatic dispersion confocal microscopy

Johnson Garzon Reyes, J. Meneses, Arturo Plata, Gilbert Tribillon, Tijani Gharbi

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.592185

KEYWORDS: Confocal microscopy, Dispersion, Spectral resolution, Image segmentation, Calibration, Pulsed laser operation, Fresnel lenses, Optical fibers, Fiber lasers, Objectives

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Proceedings Article | 21 October 2004 Paper

Paper

Analysis of the wavelet-matched filtering in a four-wave mixing arrangement

A. Salazar, R. Goez, D. Sierra, Johnson Garzon Reyes, F. Perez, H. Lorduy

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.590646

KEYWORDS: Wavelets, Crystals, Four wave mixing, Signal to noise ratio, Phase conjugation, Optical correlators, Fourier transforms, Image filtering, Optical filters, Image processing

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Proceedings Article | 21 October 2004 Paper

Paper

Numerical study of surface-enhanced Raman scattering (SERS) by a radial distribution of molecules covering a single metal spherical particle

F. Perez, A. Salazar, Johnson Garzon Reyes

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.591603

KEYWORDS: Particles, Molecules, Spherical lenses, Copper, Silver, Raman scattering, Metals, Electromagnetism, Gold, Dielectrics

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Proceedings Article | 14 August 2001 Paper

Paper

Polychromatic local reflectivity of materials

Miguel Suarez S., Johnson Garzon, Arturo Plata Gomez

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437115

KEYWORDS: Reflectivity, Interferometry, Glasses, Copper, Visibility, Charge-coupled devices, Laser optics, CCD cameras, Statistical analysis, Microscopes

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Showing 5 of 7 publications

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