Mr. Juan Carlos Briñez de León Profile

Juan Carlos Briñez de León

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 1 August 2021 Presentation + Paper

Presentation + Paper

A dynamic characterization of thermal stimulation for residual stresses using digital photoelasticity

Jhonatan Rendón Arango, Hermes Fandiño Toro, Juan Briñez de León, Alejandro Restrepo Martínez

Proceedings Volume 11841, 1184105 (2021) https://doi.org/10.1117/12.2594518

KEYWORDS: Photoelasticity, Polymethylmethacrylate, Detection and tracking algorithms, Fringe analysis, Digital photography

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Proceedings Article | 1 August 2021 Presentation + Paper

Presentation + Paper

Digital photoelasticity studies for analyzing fractal stress concentrators into birefringent bodies

Juan Camilo Hernandez, Juan Carlos Briñez de León, Alejandro Restrepo

Proceedings Volume 11841, 118410L (2021) https://doi.org/10.1117/12.2594358

KEYWORDS: Fractal analysis, Solar concentrators, Photoelasticity, Digital photography, RGB color model, Optical components, Fringe analysis, Cameras, Phase shifts, Chemical elements

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Proceedings Article | 1 August 2021 Presentation + Paper

Presentation + Paper

New computational hybrid three-wavelength-based approach of phase shifting for analyzing the stress field in photoelasticity studies

Alejandro Restrepo-Martínez, Hermes Fandiño Toro, Juan Carlos Briñez de León

Proceedings Volume 11841, 118410N (2021) https://doi.org/10.1117/12.2594296

KEYWORDS: Phase shifting, Photoelasticity, Optical components, RGB color model, Light sources, Sensors, Digital photography, Algorithm development, Image analysis, Cameras

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Proceedings Article | 1 August 2021 Presentation + Paper

Presentation + Paper

Updating the classical Ekman-Nurse load stepping method by using a linear polarizer array camera for evaluating the stress field from isochromatic images

Juan Carlos Briñez de León, Alejandro Restrepo-M.

Proceedings Volume 11841, 118410P (2021) https://doi.org/10.1117/12.2594292

KEYWORDS: Cameras, Photoelasticity, Polarizers, Image processing, Fringe analysis, Polarization, RGB color model, Linear polarizers, Digital photography, Image acquisition

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Proceedings Article | 1 August 2021 Presentation + Paper

Presentation + Paper

Selection of temperature-induced fringe displacements to evaluate stress field with the thermal transient stepping photoelasticity method

Hermes Fandiño Toro, Juan Briñez de León, Alejandro Restrepo-Martínez

Proceedings Volume 11841, 1184102 (2021) https://doi.org/10.1117/12.2594374

KEYWORDS: Photoelasticity, Fringe analysis, Thermography, Cameras, Visualization, Visible radiation

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Proceedings Article | 21 August 2020 Presentation + Paper

Presentation + Paper

Generalized adversarial networks for stress field recovering processes from photoelasticity images

Juan C. Briñez de León, Ruben Fonnegra-Tarazona, Alejandro Restrepo-Martínez

Proceedings Volume 11510, 115100S (2020) https://doi.org/10.1117/12.2568700

KEYWORDS: Photoelasticity, Fringe analysis, Gallium nitride, Data modeling, Sensors, Light sources, Cameras, Image processing, Inverse problems

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Proceedings Article | 21 August 2020 Presentation + Paper

Presentation + Paper

Pattern recognition based strategy to evaluate the stress field from dynamic photoelasticity experiments

Juan C. Briñez-de León, Mateo Rico-G., John Branch, Alejandro Restrepo-M.

Proceedings Volume 11509, 115090I (2020) https://doi.org/10.1117/12.2568630

KEYWORDS: Photoelasticity, Pattern recognition, Sensors, Light sources, Cameras, Image compression, Artificial neural networks, Visualization, Fringe analysis

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Proceedings Article | 21 August 2020 Presentation + Paper

Presentation + Paper

StressNet: A deep convolutional neural network for recovering the stress field from isochromatic images

Juan C. Briñez de León, Mateo Rico-Garcia, John Branch, Alejandro Restrepo-M.

Proceedings Volume 11510, 115100R (2020) https://doi.org/10.1117/12.2568609

KEYWORDS: Photoelasticity, Fringe analysis, Sensors, RGB color model, Light sources, Inverse problems, Cameras, Image processing, Convolutional neural networks

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Proceedings Article | 21 August 2020 Presentation + Paper

Presentation + Paper

Digital photoelasticity and DIC applied to stress and strain hybrid evaluation of bioinspired structures from rice root cross-section

Juan Camilo Hernández Gómez, Juan Briñez-de León, Salomon Perez-Atencia, Alejandro Restrepo-Martínez

Proceedings Volume 11510, 115101V (2020) https://doi.org/10.1117/12.2568725

KEYWORDS: Digital image correlation, Photoelasticity, RGB color model, Finite element methods, Digital photography, Cameras, Image processing, Reflection, Epoxies

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Proceedings Article | 21 August 2020 Presentation + Paper

Presentation + Paper

Thermal transient stepping: a powerful thermal-based approach for evaluating the stress field by using digital photoelasticity

Hermes Fandiño-Toro, Jhonatan Rendón-Arango, Juan Briñez-de León, Alejandro Restrepo-Martínez

Proceedings Volume 11509, 1150909 (2020) https://doi.org/10.1117/12.2568751

KEYWORDS: Photoelasticity, Fringe analysis, Phase shifts, Visible radiation

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Proceedings Article | 6 September 2019 Presentation + Paper

Presentation + Paper

Dynamic color descriptor based Frenet-Serret to classify stress zones from pixel variations recorded in photoelasticity videos

Alejandro Restrepo-Martinez, Juan Carlos Briñez

Proceedings Volume 11136, 111360G (2019) https://doi.org/10.1117/12.2528074

KEYWORDS: Photoelasticity, Video, Image compression, Image processing, Cameras, RGB color model, 3D modeling, Video compression, Visualization, Light sources

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Proceedings Article | 6 September 2019 Presentation + Paper

Presentation + Paper

One-dimensional local binary pattern based color descriptor to classify stress values from photoelasticity videos

Juan C. Briñez de León, Domingo Mery, Alejandro Restrepo M., John Branch

Proceedings Volume 11136, 1113607 (2019) https://doi.org/10.1117/12.2528418

KEYWORDS: Photoelasticity, Light sources, RGB color model, Binary data, Video, Digital photography, Cameras, Sensors, Image processing, Analytical research

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SPIE Journal Paper | 17 September 2018

Fringe patterns recognition in digital photoelasticity images using texture features and multispectral wavelength analysis

Hermes Fandiño Toro, Juan Briñez De León, Alejandro Restrepo-Martínez, John W. Branch Bedoya

OE, Vol. 57, Issue 09, 093105, (September 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.9.093105

KEYWORDS: Fringe analysis, Photoelasticity, Visible radiation, Near infrared, Mid-IR, Digital photography, Long wavelength infrared, Spatial frequencies, Image segmentation, Optical engineering

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Proceedings Article | 7 September 2018 Presentation + Paper

Presentation + Paper

Computational analysis of stress map variations by industrial light sources and load additions in digital photoelasticity

Juan C. Briñez de León, Hermes Fandiño, Alejandro Restrepo M., John Branch

Proceedings Volume 10751, 107510G (2018) https://doi.org/10.1117/12.2319875

KEYWORDS: Light sources, Photoelasticity, Sensors, RGB color model, Cameras, Phase shifting, Light emitting diodes, Image processing, Digital photography, Modulation

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Proceedings Article | 19 September 2017 Paper

Paper

Texture analysis integrated to infrared light sources for identifying high fringe concentrations in digital photoelasticity

Hermes Fandiño Toro, Juan Carlos Briñez de León, Alejandro Restrepo Martínez, John Branch Bedoya

Proceedings Volume 10396, 103962D (2017) https://doi.org/10.1117/12.2273258

KEYWORDS: Photoelasticity, Light sources, Phase shifting, Infrared radiation, Fringe analysis, Far infrared, Infrared imaging

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Proceedings Article | 24 August 2017 Presentation + Paper

Presentation + Paper

Computational reduction of the image sets required in conventional phase shifting methods applied to digital photoelasticity

Juan C. Briñez de León, Alejandro Restrepo M., John Branch

Proceedings Volume 10395, 103950K (2017) https://doi.org/10.1117/12.2273431

KEYWORDS: Image processing, Phase shifting, Photoelasticity, Digital photography, Image acquisition, Image compression, Digital imaging, Optical components, Fringe analysis, Phase shifts

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Proceedings Article | 28 September 2016 Paper

Paper

Time-space analysis in photoelasticity images using recurrent neural networks to detect zones with stress concentration

Juan Briñez de León, Alejandro Restrepo M., John Branch

Proceedings Volume 9971, 99712P (2016) https://doi.org/10.1117/12.2237373

KEYWORDS: Photoelasticity, Neural networks, Image analysis, Data modeling, Performance modeling, Video, Video compression, Light sources, Neurons, Visualization

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Showing 5 of 17 publications

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