中文
相关论文

相关论文: Physically-inspired computational tools for sharp …

200 篇论文

In this paper we propose a measure of anisotropy as a quality parameter to estimate the amount of noise in noisy images. The anisotropy of an image can be determined through a directional measure, using an appropriate statistical…

计算机视觉与模式识别 · 计算机科学 2011-06-30 Salvador Gabarda , Gabriel Cristobal

One of the fundamental steps toward understanding a complex system is identifying variation at the scale of the system's components that is most relevant to behavior on a macroscopic scale. Mutual information provides a natural means of…

机器学习 · 计算机科学 2024-03-20 Kieran A. Murphy , Dani S. Bassett

Due to the sheer complexity of the Laser Interferometer Space Antenna (LISA) space mission, data gaps arising from instrumental irregularities and/or scheduled maintenance are unavoidable. Focusing on merger-dominated massive black hole…

广义相对论与量子宇宙学 · 物理学 2025-03-07 Ollie Burke , Sylvain Marsat , Jonathan R. Gair , Michael L. Katz

In a fissile material, the inherent multiplicity of neutrons born through induced fissions leads to correlations in their detection statistics. The correlations between neutrons can be used to trace back some characteristics of the fissile…

统计计算 · 统计学 2022-11-17 Paul Lartaud , Philippe Humbert , Josselin Garnier

We prove the low Mach number limit of non-isentropic ideal magnetohydrodynamic (MHD) equations with general initial data in the half-space whose boundary satisfies the perfectly conducting wall condition. By observing a special structure…

偏微分方程分析 · 数学 2024-12-16 Qiangchang Ju , Jiawei Wang , Junyan Zhang

Full data acquisition in MRI is inherently slow, which limits clinical throughput and increases patient discomfort. Compressed Sensing MRI (CS-MRI) seeks to accelerate acquisition by reconstructing images from under-sampled k-space data,…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Lev Ayzenberg , Shady Abu-Hussein , Raja Giryes , Hayit Greenspan

Several techniques have been proposed to address the problem of recognizing activities of daily living from signals. Deep learning techniques applied to inertial signals have proven to be effective, achieving significant classification…

信号处理 · 电气工程与系统科学 2022-01-21 Hamza Amrani , Daniela Micucci , Marco Mobilio , Paolo Napoletano

A statistical survey of spectral anisotropy of space plasma turbulence is performed using five years measurements from MMS in the magnetosheath. By measuring the five-point second-order structure functions of the magnetic field, we have for…

空间物理 · 物理学 2020-08-05 Tieyan Wang , Jiansen He , Olga Alexandrova , Malcolm Dunlop , Denise Perrone

Thin nanomaterials are key constituents of modern quantum technologies and materials research. Identifying specimens of these materials with properties required for the development of state of the art quantum devices is usually a complex…

Multiferroic materials exhibit the coexistence of magnetic and electric order. They are at the forefront of modern condensed matter physics due to their potential applications in next-generation technologies such as data storage, sensors,…

强关联电子 · 物理学 2025-09-15 Daniel C. Cabra , Gerardo L. Rossini

In this work we train a neural network to identify impurities in the experimental images obtained by the scanning tunneling microscope measurements. The neural network is first trained with large number of simulated data and then the…

强关联电子 · 物理学 2020-12-02 Ce Wang , Haiwei Li , Zhenqi Hao , Xintong Li , Cangwei Zou , Peng Cai , Yayu Wang , Yi-Zhuang You , Hui Zhai

A machine learning-accelerated high-throughput (HTP) workflow for the discovery of magnetic materials is presented. As a test case, we screened quaternary and all-$d$ Heusler compounds for stable compounds with large magnetocrystalline…

材料科学 · 物理学 2026-01-05 Enda Xiao , Terumasa Tadano

This article presents an algorithm for reducing measurement uncertainty of one physical quantity when given oversampled measurements of two physical quantities with correlated noise. The algorithm assumes that the aleatoric measurement…

信号处理 · 电气工程与系统科学 2021-11-30 James T. Meech , Phillip Stanley-Marbell

The entropic sampling dynamics based on the reversible information transfer to and from the environment is applied to the globally coupled Ising model in the presence of an oscillating magnetic field. When the driving frequency is low…

统计力学 · 物理学 2007-05-23 Beom Jun Kim , M. Y. Choi

In this work, we develop a new systematic and self-consistent approach to homogenize arbitrary non-magnetic periodic metamaterials. The proposed method does not rely on the solution of an eigenvalue problem and can fully characterize the…

材料科学 · 物理学 2015-06-25 Mario G. Silveirinha

First principles modeling of physical systems has led to significant technological advances across all branches of science. For nonlinear systems, however, small modeling errors can lead to significant deviations from the true, measured…

机器学习 · 计算机科学 2019-09-19 Kadierdan Kaheman , Eurika Kaiser , Benjamin Strom , J. Nathan Kutz , Steven L. Brunton

Heterogeneous materials, crucial in various engineering applications, exhibit complex multiscale behavior, which challenges the effectiveness of traditional computational methods. In this work, we introduce the Micromechanics Transformer…

计算工程、金融与科学 · 计算机科学 2024-10-10 Sifan Wang , Tong-Rui Liu , Shyam Sankaran , Paris Perdikaris

This paper draws attention to a hardware system which can be engineered so that its intrinsic physics is described by the generalized Ising model and can encode the solution to many important NP-hard problems as its ground state. The basic…

介观与纳米尺度物理 · 物理学 2017-03-28 Brian Sutton , Kerem Yunus Camsari , Behtash Behin-Aein , Supriyo Datta

In recent years, significant advancements have been made in computational methods for analyzing masonry structures. Within the Finite Element Method, two primary approaches have gained traction: Micro and Macro Scale modeling, and their…

计算工程、金融与科学 · 计算机科学 2024-09-02 Alejandro Cornejo , Philip Kalkbrenner , Riccardo Rossi , Luca Pelà

To gain insight into the mechanisms behind machine learning methods, it is crucial to establish connections among the features describing data points. However, these correlations often exhibit a high-dimensional and strongly nonlinear…

机器学习 · 计算机科学 2025-03-04 Lorenzo Basile , Santiago Acevedo , Luca Bortolussi , Fabio Anselmi , Alex Rodriguez