Measurement of freeform optical surfaces: trade‐off between accuracy and dynamic range
S Chen, S Xue, D Zhai, G Tie - Laser & Photonics Reviews, 2020 - Wiley Online Library
Freeform optical surfaces are advantageous to optical designers, as they provide additional
degrees of freedom for optimization. The loss of rotational symmetry, however, makes …
degrees of freedom for optimization. The loss of rotational symmetry, however, makes …
Adaptive optics visual simulators: a review of recent optical designs and applications
In their pioneering work demonstrating measurement and full correction of the eye's optical
aberrations, Liang, Williams and Miller,[JOSA A 14, 2884 (1997) 10.1364/JOSAA …
aberrations, Liang, Williams and Miller,[JOSA A 14, 2884 (1997) 10.1364/JOSAA …
Learning-based Shack-Hartmann wavefront sensor for high-order aberration detection
We present a learning-based Shack-Hartmann wavefront sensor (SHWS) to achieve the
high-order aberration detection without image segmentation or centroid positioning. Zernike …
high-order aberration detection without image segmentation or centroid positioning. Zernike …
Implementing a Hybrid Method for Shack–Hartmann Wavefront Spots Labeling on FPGA
A Abdullah, A Brady, D Heinig, P Krause, M Goy… - Electronics, 2024 - mdpi.com
This paper presents a real-time implementation of a hybrid connected component labeling
method for processing the Shack–Hartmann wavefront sensor's images for an adaptive …
method for processing the Shack–Hartmann wavefront sensor's images for an adaptive …
Binocular dynamics of accommodation, convergence, and pupil size in myopes
The purpose of this work is to study the dynamics of the accommodative response as a
function of the subject's refractive error, as a first step in determining whether an anomalous …
function of the subject's refractive error, as a first step in determining whether an anomalous …
[HTML][HTML] Aberration-based quality metrics in holographic lenses
Aberrations and the image quality of holographic lenses were evaluated by a Hartmann–
Shack (HS) wavefront sensor. Two lenses, one recorded with a symmetrical configuration …
Shack (HS) wavefront sensor. Two lenses, one recorded with a symmetrical configuration …
Deep learning-driven wavefront sensing for grating-array based wavefront sensor
This paper introduces a novel methodology for wavefront sensing through the integration of
Convolutional Neural Networks (CNNs) into Grating Array-Based Wavefront Sensors …
Convolutional Neural Networks (CNNs) into Grating Array-Based Wavefront Sensors …
Simplifying the detection of optical distortions by machine learning
Adaptive optics has been widely used in biological science to recover high-resolution optical
image deep into the tissue, where optical distortion detection with high speed and accuracy …
image deep into the tissue, where optical distortion detection with high speed and accuracy …
FPGA Implementation of Shack–Hartmann Wavefront Sensing Using Stream-Based Center of Gravity Method for Centroid Estimation
F Kong, M Cegarra Polo, A Lambert - Electronics, 2023 - mdpi.com
We present a fast and reconfigurable architecture for Shack–Hartmann wavefront sensing
implemented on FPGA devices using a stream-based center of gravity to measure the spot …
implemented on FPGA devices using a stream-based center of gravity to measure the spot …
Fast subpixel displacement measurement, part 1: one-dimensional analysis, simulation, and experiment
Many image processing applications require a quantitative estimation of the underlying
correspondence (of the relative position in space) between two or more images. Here, we …
correspondence (of the relative position in space) between two or more images. Here, we …