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Modern digital engineering design process commonly involves expensive repeated simulations on varying three-dimensional (3D) geometries. The efficient prediction capability of neural networks (NNs) makes them a suitable surrogate to provide…

计算工程、金融与科学 · 计算机科学 2024-06-17 Junyan He , Seid Koric , Diab Abueidda , Ali Najafi , Iwona Jasiuk

Spectroscopic surveys require fast and efficient analysis methods to maximize their scientific impact. Here we apply a deep neural network architecture to analyze both SDSS-III APOGEE DR13 and synthetic stellar spectra. When our…

天体物理仪器与方法 · 物理学 2018-02-21 Sebastien Fabbro , Kim Venn , Teaghan O'Briain , Spencer Bialek , Collin Kielty , Farbod Jahandar , Stephanie Monty

Residual networks (ResNets) are a deep learning architecture that substantially improved the state of the art performance in certain supervised learning tasks. Since then, they have received continuously growing attention. ResNets have a…

机器学习 · 计算机科学 2020-03-02 Johannes Müller

Recently, the advent of deep learning has spurred interest in the development of physics-informed neural networks (PINN) for efficiently solving partial differential equations (PDEs), particularly in a parametric setting. Among all…

图像与视频处理 · 电气工程与系统科学 2021-07-20 Han Gao , Luning Sun , Jian-Xun Wang

Spatiotemporal partial differential equations (PDEs) underpin a wide range of scientific and engineering applications. Neural PDE solvers offer a promising alternative to classical numerical methods. However, existing approaches typically…

机器学习 · 计算机科学 2026-03-03 Yingjie Tan , Quanming Yao , Yaqing Wang

We consider the prediction of general tensor properties of crystalline materials, including dielectric, piezoelectric, and elastic tensors. A key challenge here is how to make the predictions satisfy the unique tensor equivariance to O(3)…

材料科学 · 物理学 2024-06-21 Keqiang Yan , Alexandra Saxton , Xiaofeng Qian , Xiaoning Qian , Shuiwang Ji

Partial differential equations (PDEs) are indispensable for modeling many physical phenomena and also commonly used for solving image processing tasks. In the latter area, PDE-based approaches interpret image data as discretizations of…

机器学习 · 计算机科学 2018-12-12 Lars Ruthotto , Eldad Haber

The scalable solution of large sparse linear systems is a bottleneck in scientific computing and graph analysis. While algebraic multigrid (AMG) offers optimal linear scaling, its performance is severely constrained by the trade-off between…

机器学习 · 计算机科学 2026-05-27 Yali Fink , Ido Ben-Yair , Lars Ruthotto , Eran Treister

In this paper we present ActiveStereoNet, the first deep learning solution for active stereo systems. Due to the lack of ground truth, our method is fully self-supervised, yet it produces precise depth with a subpixel precision of $1/30th$…

In certain practical engineering applications, there is an urgent need to perform repetitive solving of partial differential equations (PDEs) in a short period. This paper primarily considers three scenarios requiring extensive repetitive…

数值分析 · 数学 2025-08-06 Bo Yang , Xingquan Li , Jie Zhao , Ying Jiang

Developing efficient methods for solving parametric partial differential equations is crucial for addressing inverse problems. This work introduces a Least-Squares-based Neural Network (LS-Net) method for solving linear parametric PDEs. It…

数值分析 · 数学 2025-02-13 Shima Baharlouei , Jamie M. Taylor , Carlos Uriarte , David Pardo

We investigate numerous structural connections between numerical algorithms for partial differential equations (PDEs) and neural architectures. Our goal is to transfer the rich set of mathematical foundations from the world of PDEs to…

数值分析 · 数学 2022-03-22 Tobias Alt , Karl Schrader , Matthias Augustin , Pascal Peter , Joachim Weickert

In this paper we consider utilizing a residual neural network (ResNet) to solve ordinary differential equations. Stochastic gradient descent method is applied to obtain the optimal parameter set of weights and biases of the network. We…

数值分析 · 数学 2021-01-12 Changxin Qiu , Aaron Bendickson , Joshua Kalyanapu , Jue Yan

Physics-Informed Neural Networks (PINNs) have recently emerged as a promising alternative for solving partial differential equations, offering a mesh-free framework that incorporates physical laws directly into the learning process. In this…

计算物理 · 物理学 2025-04-17 Gal G. Shaviner , Hemanth Chandravamsi , Shimon Pisnoy , Ziv Chen , Steven H. Frankel

Estimating surface normals from 3D point clouds is critical for various applications, including surface reconstruction and rendering. While existing methods for normal estimation perform well in regions where normals change slowly, they…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Haoyi Xiu , Xin Liu , Weimin Wang , Kyoung-Sook Kim , Masashi Matsuoka

Neural networks have shown significant potential in solving partial differential equations (PDEs). While deep networks are capable of approximating complex functions, direct one-shot training often faces limitations in both accuracy and…

数值分析 · 数学 2025-03-10 Mingxing Weng , Zhiping Mao , Jie Shen

Most existing star-galaxy classifiers depend on the reduced information from catalogs, necessitating careful data processing and feature extraction. In this study, we employ a supervised machine learning method (GoogLeNet) to automatically…

星系天体物理 · 物理学 2024-09-23 Shiliang Zhang , Guanwen Fang , Jie Song , Ran Li , Yizhou Gu , Zesen Lin , Chichun Zhou , Yao Dai , Xu Kong

Numerical methods for approximately solving partial differential equations (PDE) are at the core of scientific computing. Often, this requires high-resolution or adaptive discretization grids to capture relevant spatio-temporal features in…

Crack detection plays a pivotal role in the maintenance and safety of infrastructure, including roads, bridges, and buildings, as timely identification of structural damage can prevent accidents and reduce costly repairs. Traditionally,…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Feng Ding

A family of super deep networks, referred to as residual networks or ResNet, achieved record-beating performance in various visual tasks such as image recognition, object detection, and semantic segmentation. The ability to train very deep…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Xin Yu , Zhiding Yu , Srikumar Ramalingam