Dr. Esteban Vera Profile

Dr. Esteban Vera

Associate Professor at PUCV

SPIE Involvement:

Author

Area of Expertise:

Computational Imaging , Image Restoration , Computational Photography , Inverse Problems , Compressed Sensing , Blind Deconvolution

Publications (20)

Proceedings Article | 3 October 2024 Presentation + Paper

SEETRUE: a pioneering optical ground station in Chile

Darío Pérez, Esteban Vera, Marco Sepúlveda, David Valero

Proceedings Volume 13147, 131470C (2024) https://doi.org/10.1117/12.3027376

KEYWORDS: Adaptive optics, Wavefront sensors, Turbulence, Telescopes, Tomography, Profiling, Atmospheric turbulence, 3D modeling

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Proceedings Article | 27 August 2024 Poster + Paper

Phase retrieval of elongated laser guide star by sphere packing coded apertures

Bastián Romero, Nelson Díaz, Jorge Tapia, Esteban Vera

Proceedings Volume 13097, 130973L (2024) https://doi.org/10.1117/12.3019405

KEYWORDS: Wavefront sensors, Coded apertures, Sensors, Phase retrieval, Phase reconstruction, Stars, Optical spheres, Laser guide stars, Curium, Atmospheric propagation

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Proceedings Article | 27 August 2024 Poster + Paper

Joint deep learning optics and reconstruction for unmodulated pyramid wavefront sensing

Nicolás Hernández, Rodrigo Muñoz, Camilo Weinberger, Felipe Guzman, Esteban Vera

Proceedings Volume 13097, 130973R (2024) https://doi.org/10.1117/12.3019288

KEYWORDS: Education and training, Wavefront sensors, Atmospheric modeling, Neural networks, Atmospheric propagation, Modulation, Adaptive optics, Wavefront reconstruction, Deep learning, Sensors

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Proceedings Article | 27 August 2024 Poster + Paper

Design and characterization of a fast tip-tilt carbon fiber steering mirror

Benjamin Gonzalez, Pedro Mardones, Claudio Lobos, Esteban Vera

Proceedings Volume 13097, 130975H (2024) https://doi.org/10.1117/12.3020745

KEYWORDS: Mirrors, Actuators, Carbon fibers, Adaptive optics

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Proceedings Article | 27 August 2024 Presentation + Paper

Closed–loop experimental validation using neural networks in a non-modulated pyramidal wavefront sensor

Camilo Weinberger, Benoit Neichel, Jorge Tapia, Esteban Vera

Proceedings Volume 13097, 130970S (2024) https://doi.org/10.1117/12.3020024

KEYWORDS: Adaptive optics, Wavefront sensors, Neural networks, Transformers, Machine learning

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Proceedings Article | 27 August 2024 Poster + Paper

Deep learning-assisted axicon wavefront sensor for wavefront estimation without optical modulation requirements

Jorge Tapia, Camilo Weinberger, Esteban Vera

Proceedings Volume 13097, 130973M (2024) https://doi.org/10.1117/12.3019447

KEYWORDS: Wavefront sensors, Axicons, Wavefront reconstruction, Adaptive optics, Neural networks

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SPIE Journal Paper | 11 June 2024 Open Access

Special Section Guest Editorial: Advanced Infrared Technology and Remote Sensing Applications II

Marija Strojnik, Wen Chen, Sarath Gunapala, Joern Helbert, Esteban Vera, Eric Shirley

JARS, Vol. 18, Issue 02, 022201, (June 2024) https://doi.org/10.1117/12.10.1117/1.JRS.18.022201

KEYWORDS: Remote sensing, Infrared technology, Evolutionary algorithms, Infrared sensors, Artificial neural networks, Modeling, Infrared imaging, Infrared radiation, Imaging systems, Image fusion

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SPIE Journal Paper | 9 March 2024

Single-shot super-resolution and non-uniformity correction through wavefront modulation in infrared imaging systems

Guillermo Machuca, Pablo Meza, Esteban Vera

JARS, Vol. 18, Issue 02, 022205, (March 2024) https://doi.org/10.1117/12.10.1117/1.JRS.18.022205

KEYWORDS: Infrared imaging, Lawrencium, Super resolution, Imaging systems, Image analysis, Image restoration, Nonuniformity corrections, Matrices, Wavefronts, Point spread functions

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Proceedings Article | 30 August 2022 Poster + Paper

Exploration of convolutional neural networks to handle non-linearity estimation issues in pyramid wavefront sensors.

Camilo Weinberger, Felipe Guzmán, Jorge Tapia, Benoît Neichel, Esteban Vera

Proceedings Volume 12185, 1218588 (2022) https://doi.org/10.1117/12.2630099

KEYWORDS: Wavefront sensors, Telescopes, Convolutional neural networks, Neural networks, Adaptive optics

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Proceedings Article | 30 August 2022 Poster + Presentation + Paper

PULPOS: a multi-purpose adaptive optics test bench in Chile

Jorge Tapia, Felipe Pedreros Bustos, Camilo Weinberger, Bastián Romero, Esteban Vera

Proceedings Volume 12185, 1218574 (2022) https://doi.org/10.1117/12.2629666

KEYWORDS: Modulation, Adaptive optics, Cameras, Wavefront sensors, Spatial light modulators, Mirrors, Calibration, Axicons, Wavefronts, Optical testing

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Proceedings Article | 13 December 2020 Poster + Paper

Improved training for the deep learning wavefront sensor

Camilo Weinberger, Felipe Guzmán, Esteban Vera

Proceedings Volume 11448, 114484G (2020) https://doi.org/10.1117/12.2564199

KEYWORDS: Wavefront sensors, Point spread functions, Wavefronts, Facial recognition systems, Inverse optics, Modulation, Shape analysis, Inverse problems, Machine learning, Convolutional neural networks

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Proceedings Article | 1 May 2017 Paper

Controlled aberrations for snapshot compressive imaging

Esteban Vera, Pablo Meza

Proceedings Volume 10222, 102220H (2017) https://doi.org/10.1117/12.2265186

KEYWORDS: Compressive imaging, Compressed sensing, Computational imaging, Point spread functions, Image compression, Cameras, Imaging systems, Diffraction, Matrices, Stars

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Proceedings Article | 19 May 2016 Paper

Computational hyperspectral unmixing using the AFSSI-C

Phillip Poon, Esteban Vera, Michael Gehm

Proceedings Volume 9870, 987003 (2016) https://doi.org/10.1117/12.2223193

KEYWORDS: Imaging spectroscopy, Signal to noise ratio, Organic light emitting diodes, Digital micromirror devices, Light emitting diodes, LED displays, Multiplexing, Staring arrays, Imaging devices, Error analysis

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Proceedings Article | 12 May 2016 Paper

Rapid GPU-based simulation of x-ray transmission, scatter, and phase measurements for threat detection systems

Qian Gong, David Coccarelli, Razvan-Ionut Stoian, Joel Greenberg, Esteban Vera, Michael Gehm

Proceedings Volume 9847, 98470Q (2016) https://doi.org/10.1117/12.2223244

KEYWORDS: 3D modeling, X-rays, X-ray imaging, Computer simulations, Compton scattering, Sensors, Scattering, Signal attenuation, Rayleigh scattering, Laser scattering

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Proceedings Article | 14 February 2013 Open Access

Petapixel photography and the limits of camera information capacity

David Brady, Daniel Marks, Steven Feller, Michael Gehm, Dathon Golish, Esteban Vera, David Kittle

Proceedings Volume 8657, 86570B (2013) https://doi.org/10.1117/12.2014274

KEYWORDS: Cameras, Image processing, Image acquisition, Video, Image quality standards, Composites, Imaging systems, Photography, Lenses, Image resolution

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Proceedings Article | 3 May 2012 Paper

A static architecture for compressive target tracking

Phillip Poon, Daniel Townsend, Scott Wehrwein, Esteban Vera, Michael Stenner, Michael Gehm

Proceedings Volume 8360, 83600G (2012) https://doi.org/10.1117/12.918878

KEYWORDS: Sensors, Point spread functions, Compressed sensing, Spatial light modulators, Micromirrors, Reconstruction algorithms, Data storage, Calibration, Data communications, Telecommunications

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Proceedings Article | 3 June 2011 Paper

Image formation challenges in the MOSAIC platform

M. Gehm, D. Golish, E. Vera, J. Hahn, D. Marks, D. Brady

Proceedings Volume 8056, 80560T (2011) https://doi.org/10.1117/12.883695

KEYWORDS: Image acquisition, Optical design, Objectives, Image registration, Cameras, Imaging systems, Spherical lenses, Composites, Systems modeling, Image processing

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Proceedings Article | 27 February 2007 Paper

Adaptive color space transform using independent component analysis

Esteban Vera, Sergio Torres

Proceedings Volume 6497, 64970P (2007) https://doi.org/10.1117/12.705004

KEYWORDS: Independent component analysis, RGB color model, Image enhancement, Image segmentation, Principal component analysis, Nose, Visualization, Image processing, Color image processing, Machine vision

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Proceedings Article | 24 September 2004 Paper

Coating the 8-m Gemini telescopes with protected silver

Maxime Boccas, Tomislav Vucina, Claudio Araya, Esteban Vera, Clayton Ahhee

Proceedings Volume 5494, (2004) https://doi.org/10.1117/12.548809

KEYWORDS: Silver, Coating, Reflectivity, Aluminum, Telescopes, Mirrors, Gemini Observatory, Infrared telescopes, Dental caries, Sputter deposition

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Proceedings Article | 22 August 2003 Paper

Adaptive scene-based nonuniformity correction method for infrared-focal plane arrays

Sergio Torres, Esteban Vera, Rodrigo Reeves, Sergio Sobarzo

Proceedings Volume 5076, (2003) https://doi.org/10.1117/12.487217

KEYWORDS: Nonuniformity corrections, Infrared radiation, Sensors, Infrared imaging, Detection and tracking algorithms, Video, Infrared detectors, Staring arrays, Infrared sensors, Neurons

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Showing 5 of 20 publications

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