Experience with artificial neural networks applied in multi-object adaptive optics

SLS Gómez, C González-Gutiérrez… - Publications of the …, 2019 - iopscience.iop.org
The use of artificial Intelligence techniques has become widespread in many fields of
science, due to their ability to learn from real data and adjust to complex models with ease …

Review of image quality measures for solar imaging

A Popowicz, K Radlak, K Bernacki, V Orlov - Solar Physics, 2017 - Springer
Observations of the solar photosphere from the ground encounter significant problems
caused by Earth's turbulent atmosphere. Before image reconstruction techniques can be …

Image correction with curvature and geometric wavefront sensors in simulation and on-sky

S Hickman, S Weddell, R Clare - 2019 international conference …, 2019 - ieeexplore.ieee.org
Images of astronomical objects are distorted by the turbulence in Earth's atmosphere.
Deconvolution from Wavefront Sensing (DWFS) is a computer post-processing technique …

Test bench demonstration of the geometric wavefront sensor

S Hickman, S Weddell, R Clare - Adaptive Optics Systems VII, 2020 - spiedigitallibrary.org
This paper investigates the performance and optimization of the Geometric Wavefront
Sensor (GWFS) in openloop wavefront sensing, along with the Curvature Wavefront Sensor …

[HTML][HTML] The geometric wavefront sensor and atmospheric tomography for satellite imaging from ground-based telescopes.

S Hickman - 2023 - ir.canterbury.ac.nz
The resolution of astronomical images captured from ground-based telescopes is partially
limited by atmospheric turbulence, which causes non-uniform phase shifts to the wavefront …

Open-loop wavefront sensing of multiple laser sources using the geometric wavefront sensor on an optical test-bench

S Hickman, S Weddell, R Clare - Adaptive Optics Systems VIII, 2022 - spiedigitallibrary.org
This paper demonstrates the Geometric Wavefront Sensor (WFS)'s capability to estimate
wavefronts of multiple sources on a new optical test-bench in open-loop. The linearity …

ALIOLI: presentation and first steps

E Soria, RL López, A Oscoz… - … Optics Systems VII, 2020 - spiedigitallibrary.org
Adaptive optics (AO) systems correct atmospheric turbulence in real time and they are
normally used in large and medium telescopes but not in modest telescopes due to their …

Compensating atmospheric turbulence with convolutional neural networks for defocused pupil image wave-front sensors

SL Suárez Gómez, C González-Gutiérrez… - … Intelligent Systems: 13th …, 2018 - Springer
Adaptive optics are techniques used for processing the spatial resolution of astronomical
images taken from large ground-based telescopes. In this work are presented computational …

Compensating atmospheric turbulence with CNNs for defocused pupil image wavefront sensors

SLS Gómez, C González-Gutiérrez… - Logic Journal of the …, 2021 - academic.oup.com
Adaptive optics are techniques used for processing the spatial resolution of astronomical
images taken from large ground-based telescopes. In this work, computational results are …

Defocused Image Deep Learning Designed for Wavefront Reconstruction in Tomographic Pupil Image Sensors

SL Suárez Gómez, F García Riesgo… - Mathematics, 2020 - mdpi.com
Mathematical modelling methods have several limitations when addressing complex
physics whose calculations require considerable amount of time. This is the case of adaptive …