中文
相关论文

相关论文: Super-resolving 2D stress tensor field conserving …

200 篇论文

In recent years, sub-grid models for turbulent mixing have been developed by data-driven methods for large eddy simulation (LES). Super-resolution is a data-driven deconvolution technique in which deep convolutional neural networks are…

流体动力学 · 物理学 2025-03-13 Ali Shamooni , Oliver T. Stein , Andreas Kronenburg

Anisotropy in the mechanical response of materials with microstructure is common and yet is difficult to assess and model. To construct accurate response models given only stress-strain data, we employ classical representation theory, novel…

材料科学 · 物理学 2022-09-07 Jan N. Fuhg , Nikolaos Bouklas , Reese E. Jones

This paper extends the methodology to use physics-informed enhanced super-resolution generative adversarial networks (PIESRGANs) for LES subfilter modeling in turbulent flows with finite-rate chemistry and shows a successful application to…

流体动力学 · 物理学 2022-10-31 Mathis Bode

Over the past decade, many Super Resolution techniques have been developed using deep learning. Among those, generative adversarial networks (GAN) and very deep convolutional networks (VDSR) have shown promising results in terms of HR image…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Saifuddin Hitawala , Yao Li , Xian Wang , Dongyang Yang

Road extraction from aerial images has been a hot research topic in the field of remote sensing image analysis. In this letter, a semantic segmentation neural network which combines the strengths of residual learning and U-Net is proposed…

计算机视觉与模式识别 · 计算机科学 2018-05-23 Zhengxin Zhang , Qingjie Liu , Yunhong Wang

This study proposes a hybrid deep-learning-metaheuristic framework with a bi-level architecture for road network design problems (NDPs). We train a graph neural network (GNN) to approximate the solution of the user equilibrium (UE) traffic…

神经与进化计算 · 计算机科学 2023-12-12 Bahman Madadi , Goncalo Homem de Almeida Correia

Fully connected multilayer perceptrons are used for obtaining numerical solutions of partial differential equations in various dimensions. Independent variables are fed into the input layer, and the output is considered as solution's value.…

神经与进化计算 · 计算机科学 2020-01-28 V. I. Avrutskiy

Deep neural networks (DNNs) have achieved significant success in a variety of real world applications, i.e., image classification. However, tons of parameters in the networks restrict the efficiency of neural networks due to the large model…

机器学习 · 计算机科学 2019-08-21 Yuzhe Ma , Ran Chen , Wei Li , Fanhua Shang , Wenjian Yu , Minsik Cho , Bei Yu

In recent years, various artificial intelligence-based surrogate models have been proposed to provide rapid manufacturability predictions of material forming processes. However, traditional AI-based surrogate models, typically built with…

机器学习 · 计算机科学 2025-07-17 Yingxue Zhao , Qianyi Chen , Haoran Li , Haosu Zhou , Hamid Reza Attar , Tobias Pfaff , Tailin Wu , Nan Li

We present the Finite Element Neural Network Interpolation (FENNI) framework, a sparse neural network architecture extending previous work on Embedded Finite Element Neural Networks (EFENN) introduced with the Hierarchical Deep-learning…

数值分析 · 数学 2025-08-29 Kateřina Škardová , Alexandre Daby-Seesaram , Martin Genet

In modern computer vision, images are typically represented as a fixed uniform grid with some stride and processed via a deep convolutional neural network. We argue that deforming the grid to better align with the high-frequency image…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Jun Gao , Zian Wang , Jinchen Xuan , Sanja Fidler

Scene text image super-resolution has significantly improved the accuracy of scene text recognition. However, many existing methods emphasize performance over efficiency and ignore the practical need for lightweight solutions in deployment…

计算机视觉与模式识别 · 计算机科学 2024-03-21 LeoWu TomyEnrique , Xiangcheng Du , Kangliang Liu , Han Yuan , Zhao Zhou , Cheng Jin

In this work, we present a study combining two approaches in the context of solving PDEs: the continuous finite element method (FEM) and more recent techniques based on neural networks. In recent years, physics-informed neural networks…

We propose physics-informed holomorphic neural networks (PIHNNs) as a method to solve boundary value problems where the solution can be represented via holomorphic functions. Specifically, we consider the case of plane linear elasticity…

计算工程、金融与科学 · 计算机科学 2024-09-30 Matteo Calafà , Emil Hovad , Allan P. Engsig-Karup , Tito Andriollo

Topological features such as persistence diagrams and their functional approximations like persistence images (PIs) have been showing substantial promise for machine learning and computer vision applications. This is greatly attributed to…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Anirudh Som , Hongjun Choi , Karthikeyan Natesan Ramamurthy , Matthew Buman , Pavan Turaga

The neural network method of solving differential equations is used to approximate the electric potential and corresponding electric field in the slit-well microfluidic device. The device's geometry is non-convex, making this a challenging…

计算物理 · 物理学 2020-07-29 Martin Magill , Andrew M. Nagel , Hendrick W. de Haan

Super-resolution (SR) has achieved great success due to the development of deep convolutional neural networks (CNNs). However, as the depth and width of the networks increase, CNN-based SR methods have been faced with the challenge of…

图像与视频处理 · 电气工程与系统科学 2020-11-10 Parichehr Behjati , Pau Rodriguez , Armin Mehri , Isabelle Hupont , Jordi Gonzalez , Carles Fernandez Tena

We propose a neural network framework to preclude the need to define or observe incompletely or inaccurately defined states of a material in order to describe its response. The neural network design is based on the classical Coleman-Gurtin…

计算物理 · 物理学 2021-11-30 R. E. Jones , A. L. Frankel , K. L. Johnson

U-Net, known for its simple yet efficient architecture, is widely utilized for image processing tasks and is particularly suitable for deployment on neuromorphic chips. This paper introduces the novel concept of Spiking-UNet for image…

神经与进化计算 · 计算机科学 2024-04-12 Hebei Li , Yueyi Zhang , Zhiwei Xiong , Xiaoyan Sun

State-of-the-art segmentation methods rely on very deep networks that are not always easy to train without very large training datasets and tend to be relatively slow to run on standard GPUs. In this paper, we introduce a novel recurrent…

计算机视觉与模式识别 · 计算机科学 2019-06-13 Wei Wang , Kaicheng Yu , Joachim Hugonot , Pascal Fua , Mathieu Salzmann