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As the popularity of mobile photography continues to grow, considerable effort is being invested in the reconstruction of degraded images. Due to the spatial variation in optical aberrations, which cannot be avoided during the lens design…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Shiqi Chen , Huajun Feng , Dexin Pan , Zhihai Xu , Qi Li , Yueting Chen

The study of an optical beam interacting with material structures is a fundamental of nanophotonics. Computational electromagnetic solvers facilitate the rapid calculation of the scattering from material structures with arbitrary geometry…

The Probe-Particle Model combine theories designed for the simulation of scanning probe microscopy experiments, employing non-reactive, flexible tip apices to achieve sub-molecular resolution. In the article we present the latest version of…

Mesoscale and Nanoscale Physics · Physics 2024-07-02 Niko Oinonen , Aliaksandr V. Yakutovich , Aurelio Gallardo , Martin Ondracek , Prokop Hapala , Ondrej Krejci

The quality of microscopy images often suffers from optical aberrations. These aberrations and their associated point spread functions have to be quantitatively estimated to restore aberrated images. The recent state-of-the-art method…

Image and Video Processing · Electrical Eng. & Systems 2022-11-22 Kira Vinogradova , Eugene W. Myers

Binospec is a high-throughput, 370 to 1000 nm, imaging spectrograph that addresses two adjacent 8' by 15' fields of view. Binospec was commissioned in late 2017 at the f/5 focus of the 6.5m MMT and is now available to all MMT observers.…

Instrumentation and Methods for Astrophysics · Physics 2019-06-12 Jan Kansky , Igor Chilingarian , Daniel Fabricant , Anne Matthews , Sean Moran , Martin Paegert , J. Duane Gibson , Dallan Porter , John Roll

Insect vision supports complex behaviors including associative learning, navigation, and object detection, and has long motivated computational models for understanding biological visual processing. However, many contemporary models…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Adam D. Hines , Karin Nordström , Andrew B. Barron

The extreme sensitivity of 2D materials to defects and nanostructure requires precise imaging techniques to verify presence of desirable and absence of undesirable features in the atomic geometry. Helium-ion beams have emerged as a…

Materials Science · Physics 2022-05-19 Alina Kononov , Alexandra Olmstead , Andrew D. Baczewski , Andre Schleife

Over the past decade, optical wavefront shaping has been developed to focus light through highly opaque scattering layers, opening new possibilities for biomedical applications. To probe light intensity deep inside soft scattering media…

Optics · Physics 2025-08-25 Fei Xia , Ivo Leite , Robert Prevedel , Thomas Chaigne

FEbeam is a compact field emission data processing interface with the capability to analyze the field emission cathode performance in an rf injector by extracting the field enhancement factor, local field, and effective emission area from…

Accelerator Physics · Physics 2021-06-16 Mitchell Schneider , Emily Jevarjian , Jiahang Shao , Sergey V. Baryshev

First-principles computational spectroscopy is a critical tool for interpreting experiment, performing structure refinement, and developing new physical understanding. Systematically setting up input files for different simulation codes and…

In this paper we implement experimentally the spatial shape modelling of nondiffracting optical beams via computer generated holograms. The results reported here are the experimental confirmation of the so called Frozen Wave method,…

An integrated microscope that combines different optical techniques for simultaneous imaging is demonstrated. The microscope enables spectral-domain optical coherence microscopy based on optical backscatter, and multi-photon microscopy for…

Optics · Physics 2009-11-11 C. Vinegoni , T. Ralston , W. Tan , W. Luo , D. L. Marks , S. A. Boppart

This article reviews deep learning applications in biomedical optics with a particular emphasis on image formation. The review is organized by imaging domains within biomedical optics and includes microscopy, fluorescence lifetime imaging,…

We present a data simulation package designed to create a series of simulated data samples for a detector with non-destructive sampling capability. The original intent of this software was to provide a method for generating simulated images…

Stimulated Emission Depletion (STED) microscopy has emerged as a powerful technique providing visualization of biological structures at the molecular level in living samples. In this technique, the diffraction limit is broken by selectively…

Quantitative imaging of subcellular processes in living embryos, stem-cell systems, and organoid models requires microscopy platforms that combine high spatial resolution, fast volumetric acquisition, long-term stability, and minimal…

Quantitative Methods · Quantitative Biology 2025-12-30 Armin Shoushtarizadeh , Michele Cerminara , Corinne Chureau , Leah Friedman , Deepthi Kailash , Thomas Gregor

Automated searches for strong gravitational lensing in optical imaging survey datasets often employ machine learning and deep learning approaches. These techniques require more example systems to train the algorithms than have presently…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Robert Morgan , Brian Nord , Simon Birrer , Joshua Yao-Yu Lin , Jason Poh

Computer simulations have become a very powerful tool for scientific research. In order to facilitate research in computational biology, the BioDynaMo project aims at a general platform for biological computer simulations, which should be…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-18 Lukas Breitwieser , Roman Bauer , Alberto Di Meglio , Leonard Johard , Marcus Kaiser , Marco Manca , Manuel Mazzara , Fons Rademakers , Max Talanov

Modern `smart' materials have complex microscale structure, often with unknown macroscale closure. The Equation-Free Patch Scheme empowers us to non-intrusively, efficiently, and accurately simulate over large scales through computations on…

Numerical Analysis · Mathematics 2023-01-31 A. J. Roberts , Thien Tran-Duc , J. E. Bunder , Yannis Kevrekidis

High-speed image acquisition in light microscopy is essential for a wide range of applications, including observing dynamic biological processes and enabling high-throughput sample analysis. However, traditional imaging speeds are often…