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Constitutive evaluations often dominate the computational cost of finite element (FE) simulations whenever material models are complex. Neural constitutive models (NCMs) offer a highly expressive and flexible framework for modeling complex…

Computational Engineering, Finance, and Science · Computer Science 2026-01-21 Benjamin Alheit , Mathias Peirlinck , Siddhant Kumar

Fluorescence Molecular Tomography (FMT) is a promising technique for non-invasive 3D visualization of fluorescent probes, but its reconstruction remains challenging due to the inherent ill-posedness and reliance on inaccurate or…

Image and Video Processing · Electrical Eng. & Systems 2025-11-07 Shihan Zhao , Jianru Zhang , Yanan Wu , Linlin Li , Siyuan Shen , Xingjun Zhu , Guoyan Zheng , Jiahua Jiang , Wuwei Ren

Cryogenic electron microscopy (cryo-EM) is an invaluable technique for determining high-resolution three-dimensional structures of biological macromolecules using transmission particle images. The inherent symmetry in these macromolecules…

Optimization and Control · Mathematics 2024-11-06 Qi Zhang , Chenglong Bao , Hai Lin , Mingxu Hu

Cryo-electron tomography (cryo-ET) enables 3D visualization of cellular structures. Accurate reconstruction of high-resolution volumes is complicated by the very low signal-to-noise ratio and a restricted range of sample tilts. Recent…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Vinith Kishore , Valentin Debarnot , AmirEhsan Khorashadizadeh , Ricardo D. Righetto , Benjamin D. Engel , Ivan Dokmanić

Reconstructing gamma-ray spectra from detector measurements is an ill-posed inverse problem. Standard methods, such as Folding Iteration with Compton Subtraction (FICS), provide point estimates but lack calibrated uncertainties and may bias…

Instrumentation and Detectors · Physics 2025-11-24 E. Lima , L. L. Braseth , A. H. Mjøs , M. Hjorth-Jensen , A. Kvellestad , A. C. Larsen

Confocal laser endomicroscopy (CLE) is an advanced optical fluorescence technology undergoing assessment for applications in brain tumor surgery. Despite its promising potential, interpreting the unfamiliar gray tone images of fluorescent…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Mohammadhassan Izadyyazdanabadi , Evgenii Belykh , Michael Mooney , Nikolay Martirosyan , Jennifer Eschbacher , Peter Nakaji , Mark C. Preul , Yezhou Yang

The fault diagnosis of rolling bearings is a critical technique to realize predictive maintenance for mechanical condition monitoring. In real industrial systems, the main challenges for the fault diagnosis of rolling bearings pertain to…

Machine Learning · Computer Science 2022-04-27 Zhenhua Tan , Jingyu Ning , Kai Peng , Zhenche Xia , Danke Wu

Electron tomography has become a commonly used tool to investigate the three-dimensional (3D) structure of nanomaterials, including colloidal nanoparticle assemblies. However, electron microscopy is typically carried out under high vacuum…

Line-intensity mapping (LIM) is an emerging observational technique that is used to observe the universe on large scales at low resolution through spectral line emission. Stacking analyses coadd cutouts of LIM data on positions of known…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-30 Ella M. Mansfield , Delaney A. Dunne , Dongwoo T. Chung

Cryogenic Electron Tomography (CryoET) combined with sub-volume averaging (SVA) is the only imaging modality capable of resolving protein structures inside cells at molecular resolution. Particle picking, the task of localizing and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Linhan Wang , Jianwen Dou , Wang Li , Shengkun Wang , Zhiwu Xie , Chang-Tien Lu , Yinlin Chen

A new maximum approximate likelihood (ML) estimation algorithm for the mixture of Kent distribution is proposed. The new algorithm is constructed via the BSLM (block successive lower-bound maximization) framework and incorporates manifold…

Computation · Statistics 2017-09-15 Hien D. Nguyen

Calculations of the photonic band structure, transmission coefficients, and quality factors of various two-dimensional, periodic and aperiodic, dielectric photonic crystals by using the finite element method (FEM) are reported. The…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Imanol Andonegui , Angel J. Garcia-Adeva

Federated learning is a very convenient approach for scenarios where (i) the exchange of data implies privacy concerns and/or (ii) a quick reaction is needed. In smart healthcare systems, both aspects are usually required. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Alhassan Mabrouk , Rebeca P. Díaz Redondo , Mohamed Abd Elaziz , Mohammed Kayed

Proofs of convergence of adaptive finite element methods for the approximation of eigenvalues and eigenfunctions of linear elliptic problems have been given in a several recent papers. A key step in establishing such results for multiple…

Numerical Analysis · Mathematics 2016-05-27 Andrea Bonito , Alan Demlow

Instead of directly utilizing an observed image including some outliers, noise or intensity inhomogeneity, the use of its ideal value (e.g. noise-free image) has a favorable impact on clustering. Hence, the accurate estimation of the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Cong Wang , Witold Pedrycz , ZhiWu Li , MengChu Zhou , Jun Zhao

Electron tomography offers important three-dimensional (3D) structural information which cannot be observed by two-dimensional imaging. By combining annular dark field scanning transmission electron microscopy (ADF-STEM) with aberration…

Materials Science · Physics 2023-06-29 Juhyeok Lee , Moosung Lee , YongKeun Park , Colin Ophus , Yongsoo Yang

Distribution-to-Distribution (D2D) point cloud registration algorithms are fast, interpretable, and perform well in unstructured environments. Unfortunately, existing strategies for predicting solution error for these methods are overly…

Robotics · Computer Science 2024-10-02 Matthew McDermott , Jason Rife

Meshfree methods for in silico modelling and simulation of cardiac electrophysiology are gaining more and more popularity. These methods do not require a mesh and are more suitable than the Finite Element Method (FEM) to simulate the…

Numerical Analysis · Mathematics 2021-11-17 Konstantinos A. Mountris , Leiting Dong , Yue Guan , Satya N. Atluri , Esther Pueyo

Exemplar replay has become an effective strategy for mitigating catastrophic forgetting in federated continual learning (FCL) by retaining representative samples from past tasks. Existing studies focus on designing sample-importance…

Machine Learning · Computer Science 2026-04-13 Zhuang Qi , Ying-Peng Tang , Lei Meng , Guoqing Chao , Lei Wu , Han Yu , Xiangxu Meng

Large-scale Vision-Language Models (VLMs) such as CLIP learn powerful semantic representations but operate in Euclidean space, which fails to capture the inherent hierarchical structure of visual and linguistic concepts. Hyperbolic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Chuong Huynh , Hossein Souri , Abhinav Kumar , Vitali Petsiuk , Deen Dayal Mohan , Suren Kumar
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