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Accurate breast lesion risk estimation can significantly reduce unnecessary biopsies and help doctors decide optimal treatment plans. Most existing computer-aided systems rely solely on mammogram features to classify breast lesions. While…

Image and Video Processing · Electrical Eng. & Systems 2021-08-24 Hung Q. Vo , Pengyu Yuan , Tiancheng He , Stephen T. C. Wong , Hien V. Nguyen

Modelling rock-fluid interaction requires solving a set of partial differential equations (PDEs) to predict the flow behaviour and the reactions of the fluid with the rock on the interfaces. Conventional high-fidelity numerical models…

Surrogate models for hotspot ignition and growth rates were presented in Part I, where the hotspots were formed by the collapse of single cylindrical voids. Such isolated cylindrical voids are idealizations of the void morphology in real…

Computational Physics · Physics 2020-01-08 S. Roy , N. K. Rai , O. Sen , D. B. Hardin , A. S. Diggs , H. S. Udaykumar

Accurate knee joint angle prediction is crucial for biomechanical analysis and rehabilitation. In this study, we introduce FocalGatedNet, a novel deep learning model that incorporates Dynamic Contextual Focus (DCF) Attention and Gated…

Robotics · Computer Science 2023-10-04 Lyes Saad Saoud , Humaid Ibrahim , Ahmad Aljarah , Irfan Hussain

Surface electromyography (sEMG) has demonstrated significant potential in simultaneous and proportional control (SPC). However, existing algorithms for predicting joint angles based onsEMGoften suffer fromhigh inference costs or are limited…

Human-Computer Interaction · Computer Science 2025-01-27 Xin Zhou , Chuang Lin , Can Wang , Xiaojiang Peng

Performing reliability analysis on complex systems is often computationally expensive. In particular, when dealing with systems having high input dimensionality, reliability estimation becomes a daunting task. A popular approach to overcome…

Machine Learning · Statistics 2021-12-22 Navaneeth N. , Souvik Chakraborty

The capability to simulate a hydraulic fracturing process is an essential tool that can be used to optimize treatment design and increase the efficiency of field operations. In most practical cases, hydraulic fractures propagate in a…

Geophysics · Physics 2023-05-24 A. V. Valov , E. V. Dontsov , A. N. Baykin , S. V. Golovin

Complex systems, such as economic, social, biological, and ecological systems, usually feature interactions not only between pairwise entities but also among three or more entities. These multi-entity interactions are known as higher-order…

Physics and Society · Physics 2025-06-06 Junhap Bian , Tao Zhou , Yilin Bi

The computational cost associated with high-fidelity CFD simulations remains a significant bottleneck in the automotive design and optimization cycle. While ML-based surrogate models have emerged as a promising alternative to accelerate…

Machine Learning · Computer Science 2025-09-01 Mohammad Amin Nabian , Sanjay Choudhry

Surrogate models are essential for efficient exploration of large-scale ensemble simulations. Implicit neural representations (INRs) provide a compact and continuous framework for modeling spatially structured data, but they often struggle…

Machine Learning · Computer Science 2026-04-01 Ziwei Li , Yuhan Duan , Tianyu Xiong , Yi-Tang Chen , Wei-Lun Chao , Han-Wei Shen

Knee Osteoarthritis (OA) is a destructive joint disease identified by joint stiffness, pain, and functional disability concerning millions of lives across the globe. It is generally assessed by evaluating physical symptoms, medical history,…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Rohit Kumar Jain , Prasen Kumar Sharma , Sibaji Gaj , Arijit Sur , Palash Ghosh

We introduce the Hyperedge-triggered Hawkes (HTH) process for inferring higher-order interaction structure in multi-cellular systems from asynchronous event-time data. Beyond standard pairwise excitation, the HTH intensity includes a term…

Methodology · Statistics 2026-05-27 Zihan Xu

Reliability theory is used to assess the sensitivity of a passive flexion and active flexion of the human lower leg Finite Element (FE) models with Total Knee Replacement (TKR) to the variability in the input parameters of the respective FE…

Computational Engineering, Finance, and Science · Computer Science 2018-07-20 Corneliu T. C. Arsene

Federated learning (FL) was recently proposed to securely train models with data held over multiple locations (``clients'') under the coordination of a central server. Prolonged training times caused by slow clients may hinder the…

Machine Learning · Computer Science 2025-10-07 Charikleia Iakovidou , Kibaek Kim

Magnetic Resonance Imaging (MRI) is an essential diagnostic tool for assessing knee injuries. However, manual interpretation of MRI slices remains time-consuming and prone to inter-observer variability. This study presents a systematic…

Image and Video Processing · Electrical Eng. & Systems 2025-08-22 Justin Yiu , Kushank Arora , Daniel Steinberg , Rohit Ghiya

In a performance based earthquake engineering (PBEE) framework, nonlinear time-history response analysis (NLTHA) for numerous ground motions are required to assess the seismic risk of buildings or civil engineering structures. However, such…

Computational Engineering, Finance, and Science · Computer Science 2026-04-17 Keiichi Ishikawa , Yuma Matsumoto , Taro Yaoyama , Sangwon Lee , Tatsuya Itoi

In this contribution we propose a data-driven surrogate model for the prediction of magnetic stray fields in two-dimensional random micro-heterogeneous materials. Since data driven models require thousands of training data sets, FEM…

Numerical Analysis · Mathematics 2023-04-11 Rainer Niekamp , Johanna Niemann , Maximilian Reichel , Hongbin Zhang , Jörg Schröder

In the context of developing new vehicle concepts, especially autonomous vehicles with novel seating arrangements and occupant activities, predicting occupant motion can be a tool for ensuring safety and comfort. In this study, a…

Robotics · Computer Science 2024-10-29 Niklas Fahse , Monika Harant , Marius Obentheuer , Joachim Linn , Jörg Fehr

Peridynamics is a non-local continuum mechanics theory that offers unique advantages for modeling problems involving discontinuities and complex deformations. Within the peridynamic framework, various formulations exist, among which the…

Computational Physics · Physics 2024-11-15 Xuan Hu , Qijun Chen , Nicholas H. Luo , Richy J. Zheng , Shaofan Li

Neural surrogates promise large speedups over classical solvers for physical dynamics but fail silently at sharp dynamical events such as shocks, fronts, and contact. We present hybrid neural world models for physical dynamics: a recipe for…

Machine Learning · Computer Science 2026-05-28 Pranav Lakshmanan , Paras Chopra