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In this paper, we introduce a tensor neural network based machine learning method for solving the elliptic partial differential equations with random coefficients in a bounded physical domain. With the help of tensor product structure, we…

数值分析 · 数学 2024-02-02 Hongtao Chen , Rui Fu , Yifan Wang , Hehu Xie

The rapid progress of Artificial Intelligence research came with the development of increasingly complex deep learning models, leading to growing challenges in terms of computational complexity, energy efficiency and interpretability. In…

机器学习 · 计算机科学 2023-06-28 Yuanrong Wang , Antonio Briola , Tomaso Aste

Wearable and unobtrusive monitoring and prediction of epileptic seizures has the potential to significantly increase the life quality of patients, but is still an unreached goal due to challenges of real-time detection and wearable devices…

神经与进化计算 · 计算机科学 2022-01-25 Una Pale , Tomas Teijeiro , David Atienza

We propose a numerical method for solving high dimensional fully nonlinear partial differential equations (PDEs). Our algorithm estimates simultaneously by backward time induction the solution and its gradient by multi-layer neural…

最优化与控制 · 数学 2021-01-27 Huyen Pham , Xavier Warin , Maximilien Germain

Saliency methods generating visual explanatory maps representing the importance of image pixels for model classification is a popular technique for explaining neural network decisions. Hierarchical dynamic masks (HDM), a novel explanatory…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Yitao Peng , Longzhen Yang , Yihang Liu , Lianghua He

The traditional limitations of neural networks in reliably generalizing beyond the convex hulls of their training data present a significant problem for computational physics, in which one often wishes to solve PDEs in regimes far beyond…

机器学习 · 计算机科学 2026-02-17 Jonathan Gorard , Ammar Hakim , James Juno

The use of neural networks to approximate partial differential equations (PDEs) has gained significant attention in recent years. However, the approximation of PDEs with localised phenomena, e.g., sharp gradients and singularities, remains…

数值分析 · 数学 2025-01-30 Santiago Badia , Wei Li , Alberto F. Martín

Stochastic neighbor embedding (SNE) and related nonlinear manifold learning algorithms achieve high-quality low-dimensional representations of similarity data, but are notoriously slow to train. We propose a generic formulation of embedding…

机器学习 · 计算机科学 2012-06-22 Max Vladymyrov , Miguel Carreira-Perpinan

High-resolution representations (HR) are essential for dense prediction tasks such as segmentation, detection, and pose estimation. Learning HR representations is typically ignored in previous Neural Architecture Search (NAS) methods that…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Mingyu Ding , Xiaochen Lian , Linjie Yang , Peng Wang , Xiaojie Jin , Zhiwu Lu , Ping Luo

We introduce a two-level direct solver for the Hierarchical Poincar\'e-Steklov (HPS) method for solving linear elliptic PDEs. HPS combines multidomain spectral collocation with a direct solver, enabling high-order discretizations for highly…

数值分析 · 数学 2025-09-19 Joseph Kump , Anna Yesypenko , Per-Gunnar Martinsson

Scientific machine learning is an emerging field that broadly describes the combination of scientific computing and machine learning to address challenges in science and engineering. Within the context of differential equations, this has…

机器学习 · 计算机科学 2026-04-03 Laurens R. Lueg , Victor Alves , Daniel Schicksnus , John R. Kitchin , Carl D. Laird , Lorenz T. Biegler

Recently, researchers have utilized neural networks to accurately solve partial differential equations (PDEs), enabling the mesh-free method for scientific computation. Unfortunately, the network performance drops when encountering a high…

机器学习 · 计算机科学 2021-09-29 Pongpisit Thanasutives , Masayuki Numao , Ken-ichi Fukui

Deep neural networks have recently drawn considerable attention to build and evaluate artificial learning models for perceptual tasks. Here, we present a study on the performance of the deep learning models to deal with global optimization…

神经与进化计算 · 计算机科学 2020-12-18 Hojjat Rakhshani , Lhassane Idoumghar , Soheila Ghambari , Julien Lepagnot , Mathieu Brévilliers

Physics-Informed Neural Networks (PINNs) have emerged as a promising paradigm for solving partial differential equations (PDEs) by embedding physical laws into neural network training objectives. However, their deployment on…

机器学习 · 计算机科学 2025-12-11 Jinming Lu , Jiayi Tian , Yequan Zhao , Hai Li , Zheng Zhang

Numerical solvers of Partial Differential Equations (PDEs) are of fundamental significance to science and engineering. To date, the historical reliance on legacy techniques has circumscribed possible integration of big data knowledge and…

数值分析 · 数学 2024-08-12 Xi Han , Fei Hou , Hong Qin

Hierarchical learning algorithms that gradually approximate a solution to a data-driven optimization problem are essential to decision-making systems, especially under limitations on time and computational resources. In this study, we…

机器学习 · 计算机科学 2023-03-22 Christos Mavridis , John Baras

Neural networks are trained by choosing an architecture and training the parameters. The choice of architecture is often by trial and error or with Neural Architecture Search (NAS) methods. While NAS provides some automation, it often…

机器学习 · 计算机科学 2024-10-14 Zitong Huang , Mansooreh Montazerin , Ajitesh Srivastava

Superpixels serve as a powerful preprocessing tool in numerous computer vision tasks. By using superpixel representation, the number of image primitives can be largely reduced by orders of magnitudes. With the rise of deep learning in…

计算机视觉与模式识别 · 计算机科学 2021-11-19 Hankui Peng , Angelica I. Aviles-Rivero , Carola-Bibiane Schönlieb

Partial Differential Equations (PDEs) are central to science and engineering. Since solving them is computationally expensive, a lot of effort has been put into approximating their solution operator via both traditional and recently…

机器学习 · 计算机科学 2025-02-14 Alessandro Longhi , Danny Lathouwers , Zoltán Perkó

This work introduces a paradigm for constructing parametric neural operators that are derived from finite-dimensional representations of Green's operators for linear partial differential equations (PDEs). We refer to such neural operators…

机器学习 · 计算机科学 2026-04-10 Hugo Melchers , Joost Prins , Michael Abdelmalik