Dr. Jorge Alexis Herrera-Ramírez Profile

Dr. Jorge Alexis Herrera-Ramírez

Assistant Professor at Instituto Tecnológico Metropolitano

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Publications (9)

SPIE Journal Paper | 18 January 2024

Design of porous-core photonic crystal fiber based on machine learning approach

Juan Soto-Perdomo, Erick Reyes-Vera, Jorge Montoya-Cardona, Juan Arango-Moreno, Nelson Gomez-Cardona, Jorge Herrera-Ramirez

OE, Vol. 63, Issue 01, 015102, (January 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.1.015102

KEYWORDS: Terahertz radiation, Dispersion, Waveguides, Artificial neural networks, Data modeling, Porosity, Education and training, Design, Photonic crystal fibers, Machine learning

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Proceedings Article | 7 September 2018 Paper

Detection of change of thickness in transparent flat glass by means of "Time of Flight Distortion" from RGBD data

Hader Gómez-Gómez, Mauricio Arias-Correa, Carlos A. Madrigal, Jorge Herrera

Proceedings Volume 10751, 107510Y (2018) https://doi.org/10.1117/12.2321183

KEYWORDS: Flat glass, Sensors, Cameras, Fluctuations and noise, Data acquisition

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Proceedings Article | 22 August 2017 Paper

Evaluating polarization diversity for speckle reduction in retinal image quality estimates

Jorge Herrera-Ramirez, Diego Hincapie-Zuluaga, Nelson Correa, Raul Castañeda-Quintero, Jefry Gaviria, Mikel Aldana

Proceedings Volume 10453, 104532L (2017) https://doi.org/10.1117/12.2276298

KEYWORDS: Speckle, Polarization, Metrology, Retinal scanning, Imaging systems, Light sources, Semiconductor lasers, Superluminescent diodes, Laser beam diagnostics, Cameras

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Proceedings Article | 22 August 2017 Paper

Using DSLR cameras in digital holography

Diego Hincapié-Zuluaga, Jorge Herrera-Ramírez, Jorge García-Sucerquia

Proceedings Volume 10453, 1045322 (2017) https://doi.org/10.1117/12.2275672

KEYWORDS: Cameras, Digital holography, Image sensors, Image quality, 3D image reconstruction, Digital cameras, Optical filters, Fourier transforms, Image processing, Holograms

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SPIE Journal Paper | 14 July 2016

Speckle noise reduction in digital holography by slightly rotating the object

Jorge Herrera-Ramirez, Diego Hincapie-Zuluaga, Jorge Garcia-Sucerquia

OE, Vol. 55, Issue 12, 121714, (July 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.12.121714

KEYWORDS: Speckle, Digital holography, Holograms, Speckle pattern, Superposition, 3D image reconstruction, Holography, Denoising, Digital filtering, Digital recording

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Proceedings Article | 8 March 2011 Paper

Automatic multispectral ultraviolet, visible and near-infrared capturing system for the study of artwork

Jorge Herrera, Meritxell Vilaseca, Jaume Pujol

Proceedings Volume 7869, 78690B (2011) https://doi.org/10.1117/12.872512

KEYWORDS: Reflectivity, Cameras, Imaging systems, Quantization, Light emitting diodes, LED lighting, Ultraviolet radiation, Color difference, Visible radiation, Sensors

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Proceedings Article | 14 August 2006 Paper

Transmission digital holography microscopy applied to the study of coal palynofacies

Alejandro Restrepo, Jorge Herrera, Román Castañeda, Christopher Mann, Myung Kim

Proceedings Volume 6292, 62920U (2006) https://doi.org/10.1117/12.680211

KEYWORDS: Digital holography, Particles, Microscopy, 3D modeling, Refractive index, Holograms, Microscopes, Optical microscopy, Convolution, Tissues

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Proceedings Article | 21 October 2004 Paper

DC term filtering techniques in digital holography

Jorge Ivan Garcia-Sucerquia, J. Herrera Ramirez, Daniel Velasquez Prieto

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.591647

KEYWORDS: Holograms, Digital holography, 3D image reconstruction, Diffraction, Holography, Optical filters, Image visualization, Image processing, Digital filtering, Visualization

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Proceedings Article | 21 October 2004 Paper

Reduction of speckle noise in digital holography

Jorge Ivan Garcia-Sucerquia, J. Herrera Ramirez, Roman Castaneda, Daniel Velasquez Prieto

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.591652

KEYWORDS: Digital holography, Speckle, Holograms, Digital filtering, Image processing, Image filtering, Holography, CCD cameras, Diffraction, Digital recording

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Showing 5 of 9 publications

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