中文
相关论文

相关论文: A Fast Image Simulation Algorithm for Scanning Tra…

200 篇论文

Point spread function (PSF) engineering is vital for precisely controlling the focus of light in computational imaging, with applications in neural imaging, fluorescence microscopy, and biophotonics. The PSF is derived from the magnitude of…

光学 · 物理学 2025-04-22 Aleksey Valouev

With applications ranging from metabolomics to histopathology, quantitative phase microscopy (QPM) is a powerful label-free imaging modality. Despite significant advances in fast multiplexed imaging sensors and deep-learning-based inverse…

Foundation models (FMs) have achieved remarkable success across a wide range of applications, from image classification to natural langurage processing, but pose significant challenges for deployment at edge. This has sparked growing…

机器学习 · 计算机科学 2025-07-17 Muhammad Azlan Qazi , Alexandros Iosifidis , Qi Zhang

We present a new method for numerical propagation through Lyot-style coronagraphs using finite occulting masks. Standard methods for coronagraphic simulations involve Fast Fourier Transforms (FFT) of very large arrays, and computing power…

天体物理学 · 物理学 2009-11-13 Remi Soummer , Laurent Pueyo , Anand Sivaramakrishnan , Robert J. Vanderbei

We propose a Fast Fourier Transform based Periodic Interpolation Method (FFT-PIM), a flexible and computationally efficient approach for computing the scalar potential given by a superposition sum in a unit cell of an infinitely periodic…

数值分析 · 数学 2024-07-01 Fangzhou Ai , Vitaliy Lomakin

An important component of many image alignment methods is the calculation of inner products (correlations) between an image of $n\times n$ pixels and another image translated by some shift and rotated by some angle. For robust alignment of…

数值分析 · 数学 2020-02-19 Aaditya Rangan , Marina Spivak , Joakim Andén , Alex Barnett

The Fast Multipole Method (FMM) offers an acceleration for pairwise interaction calculation, known as $N$-body problems, from $\mathcal{O}(N^2)$ to $\mathcal{O}(N)$ with $N$ particles. This has brought dramatic increase in the capability of…

数据结构与算法 · 计算机科学 2011-09-21 Felipe A. Cruz , L. A. Barba

In this work, the fast-convolving reproducing kernel particle method (FC-RKPM) is introduced. This method is hundreds to millions of times faster than the traditional RKPM for 3D meshfree simulations. In this approach, the meshfree…

数值分析 · 数学 2024-04-01 Siavash Jafarzadeh , Michael Hillman

Fourier ptychographic microscopy (FPM) is a recently developed imaging modality that uses angularly varying illumination to extend a system performance beyond the limit defined by its optical elements. The FPM technique applies a novel…

光学 · 物理学 2014-05-02 Xiaoze Ou , Roarke Horstmeyer , Changhuei Yang , Guoan Zheng

Text image super-resolution (Text-SR) requires more than visually plausible detail synthesis: slight errors in stroke topology may alter character identity and break readability. Existing methods improve text fidelity with stronger…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Zihang Xu , Xiaoyang Liu , Zheng Chen , Yulun Zhang , Xiaokang Yang

Quantum information processing and its subfield, quantum image processing, are rapidly growing fields as a result of advancements in the practicality of quantum mechanics. In this paper, we propose a quantum algorithm for processing…

量子物理 · 物理学 2024-10-17 Ze Yu Zhang , Weibo Gao

Single-particle cryo-electron microscopy (cryo-EM) is an emerging imaging modality capable of visualizing proteins and macro-molecular complexes at near-atomic resolution. The low electron-doses used to prevent sample radiation damage,…

图像与视频处理 · 电气工程与系统科学 2020-11-24 Qinwen Huang , Ye Zhou , Xiaochen Du , Reed Chen , Jianyou Wang , Cynthia Rudin , Alberto Bartesaghi

A pivotal step in image super-resolution techniques is interpolation, which aims at generating high resolution images without introducing artifacts such as blurring and ringing. In this paper, we propose a technique that performs…

图像与视频处理 · 电气工程与系统科学 2020-03-23 Sobhan Kanti Dhara , Debashis Sen

Magnetic Resonance Force Microscopy (MRFM) enables three-dimensional imaging of nuclear spin densities in nanoscale objects. Based on numerical simulations, we evaluate the performance of strained SiN resonators as force sensors and show…

应用物理 · 物理学 2026-04-15 Nils Prumbaum , Christian L. Degen , Alexander Eichler

Non-line-of-Sight (NLOS) imaging systems collect light at a diffuse relay surface and input this measurement into computational algorithms that output a 3D volumetric reconstruction. These algorithms utilize the Fast Fourier Transform (FFT)…

图像与视频处理 · 电气工程与系统科学 2025-01-14 Talha Sultan , Alex Bocchieri , Chaoying Gu , Xiaochun Liu , Pavel Polynkin , Andreas Velten

A simple, yet general, formalism for the optimized linear combination of astrophysical images is constructed and demonstrated. The formalism allows the user to combine multiple undersampled images to provide oversampled output at high…

天体物理仪器与方法 · 物理学 2015-05-28 Barnaby Rowe , Christopher Hirata , Jason Rhodes

Super-resolution fluorescence microscopy is of great interest in life science studies for visualizing subcellular structures at the nanometer scale. Among various kinds of super-resolution approaches, image scanning microscopy (ISM) offers…

Confocal laser scanning microscopy (CLSM) stands out as one of the most widely used microscopy techniques, thanks to its three-dimensional imaging capability and its sub-diffraction spatial resolution, achieved through the closure of a…

Fourier ptychographic microscopy enables gigapixel-scale imaging, with both large field-of-view and high resolution. Using a set of low-resolution images that are recorded under varying illumination angles, the goal is to computationally…

信号处理 · 电气工程与系统科学 2018-03-13 Emrah Bostan , Mahdi Soltanolkotabi , David Ren , Laura Waller

In scanning electron microscopy, the achievable image quality is often limited by a maximum feasible acquisition time per dataset. Particularly with regard to three-dimensional or large field-of-view imaging, a compromise must be found…

计算机视觉与模式识别 · 计算机科学 2018-01-15 Patrick Trampert , Faysal Bourghorbel , Pavel Potocek , Maurice Peemen , Christian Schlinkmann , Tim Dahmen , Philipp Slusallek