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Physics-informed neural networks have gained growing interest. Specifically, they are used to solve partial differential equations governing several physical phenomena. However, physics-informed neural network models suffer from several…

计算工程、金融与科学 · 计算机科学 2022-11-29 Diab W. Abueidda , Seid Koric , Erman Guleryuz , Nahil A. Sobh

Can neural networks learn to solve partial differential equations (PDEs)? We investigate this question for two (systems of) PDEs, namely, the Poisson equation and the steady Navier--Stokes equations. The contributions of this paper are…

机器学习 · 计算机科学 2019-04-16 Tim Dockhorn

Recently, machine learning methods have gained significant traction in scientific computing, particularly for solving Partial Differential Equations (PDEs). However, methods based on deep neural networks (DNNs) often lack convergence…

人工智能 · 计算机科学 2025-06-16 Li Liu , Heng Yong

This paper aims to overcome a fundamental problem in the theory and application of deep neural networks (DNNs). We propose a method to solve the local minimum problem in training DNNs directly. Our method is based on the cross-entropy loss…

机器学习 · 计算机科学 2020-12-29 Huachuan Wang , James Ting-Ho Lo

This paper proposes a new way to learn Physics-Informed Neural Network loss functions using Generalized Additive Models. We apply our method by meta-learning parametric partial differential equations, PDEs, on Burger's and 2D Heat…

机器学习 · 计算机科学 2024-12-03 Michail Koumpanakis , Ricardo Vilalta

We propose a neural network-based meta-learning method to efficiently solve partial differential equation (PDE) problems. The proposed method is designed to meta-learn how to solve a wide variety of PDE problems, and uses the knowledge for…

机器学习 · 统计学 2023-10-23 Tomoharu Iwata , Yusuke Tanaka , Naonori Ueda

In machine learning and statistical modeling, the mean square or absolute error is commonly used as an error metric, also called a "loss function." While effective in reducing the average error, this approach may fail to address localized…

最优化与控制 · 数学 2025-09-10 John M. Hanna , Hugues Talbot , Irene E. Vignon-Clementel

We propose a new framework for processing Fringe Patterns (FP). Our novel approach builds upon the hypothesis that the denoising and normalisation of FPs can be learned by a deep neural network if enough pairs of corrupted and ideal FPs are…

图像与视频处理 · 电气工程与系统科学 2020-10-29 Alan Reyes-Figueroa , Mariano Rivera

In this work we propose a deep adaptive sampling (DAS) method for solving partial differential equations (PDEs), where deep neural networks are utilized to approximate the solutions of PDEs and deep generative models are employed to…

数值分析 · 数学 2022-07-06 Kejun Tang , Xiaoliang Wan , Chao Yang

Neural operators (NO) are discretization invariant deep learning methods with functional output and can approximate any continuous operator. NO have demonstrated the superiority of solving partial differential equations (PDEs) over other…

数值分析 · 数学 2024-02-02 Jianguo Huang , Yue Qiu

Deformable image registration is a fundamental task in medical imaging. Due to the large computational complexity of deformable registration of volumetric images, conventional iterative methods usually face the tradeoff between the…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Kaicong Sun , Sven Simon

Solving partial differential equations (PDEs) is the canonical approach for understanding the behavior of physical systems. However, large scale solutions of PDEs using state of the art discretization techniques remains an expensive…

计算工程、金融与科学 · 计算机科学 2021-01-14 Xiaoxuan Zhang , Krishna Garikipati

Deep neural networks (DNNs) play an important role in machine learning due to its outstanding performance compared to other alternatives. However, DNNs are not suitable for safety-critical applications since DNNs can be easily fooled by…

机器学习 · 计算机科学 2021-03-26 Zhixin Pan , Prabhat Mishra

Deep neural networks can be unreliable in the real world when the training set does not adequately cover all the settings where they are deployed. Focusing on image classification, we consider the setting where we have an error distribution…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Sahil Singla , Atoosa Malemir Chegini , Mazda Moayeri , Soheil Feiz

We propose the Factorized Fourier Neural Operator (F-FNO), a learning-based approach for simulating partial differential equations (PDEs). Starting from a recently proposed Fourier representation of flow fields, the F-FNO bridges the…

机器学习 · 计算机科学 2023-03-03 Alasdair Tran , Alexander Mathews , Lexing Xie , Cheng Soon Ong

We present a lightweighted neural PDE representation to discover the hidden structure and predict the solution of different nonlinear PDEs. Our key idea is to leverage the prior of ``translational similarity'' of numerical PDE differential…

机器学习 · 计算机科学 2023-03-14 Ziqian Wu , Xingzhe He , Yijun Li , Cheng Yang , Rui Liu , Shiying Xiong , Bo Zhu

This letter presents a residual learning-based convolutional neural network, referred to as DeepResPore, for detection of pores in high-resolution fingerprint images. Specifically, the proposed DeepResPore model generates a pore intensity…

计算机视觉与模式识别 · 计算机科学 2019-07-24 Vijay Anand , Vivek kanhangad

Residual neural networks (ResNets) are a promising class of deep neural networks that have shown excellent performance for a number of learning tasks, e.g., image classification and recognition. Mathematically, ResNet architectures can be…

最优化与控制 · 数学 2019-07-26 S. Günther , L. Ruthotto , J. B. Schroder , E. C. Cyr , N. R. Gauger

Physics-informed neural networks (PINNs) constitute a flexible deep learning approach for solving partial differential equations (PDEs), which model phenomena ranging from heat conduction to quantum mechanical systems. Despite their…

Recent advances in solving ordinary differential equations (ODEs) with neural networks have been remarkable. Neural networks excel at serving as trial functions and approximating solutions within functional spaces, aided by gradient…

机器学习 · 计算机科学 2024-02-01 Chenxin Qin , Ruhao Liu , Maocai Li , Shengyuan Li , Yi Liu , Chichun Zhou