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Temperature field prediction is of great importance in the thermal design of systems engineering, and building the surrogate model is an effective way for the task. Generally, large amounts of labeled data are required to guarantee a good…

机器学习 · 计算机科学 2023-01-18 Yunyang Zhang , Zhiqiang Gong , Weien Zhou , Xiaoyu Zhao , Xiaohu Zheng , Wen Yao

In this work, we propose a deep learning approach for parallel magnetic resonance imaging (MRI) reconstruction, termed a variable splitting network (VS-Net), for an efficient, high-quality reconstruction of undersampled multi-coil MR data.…

图像与视频处理 · 电气工程与系统科学 2019-07-24 Jinming Duan , Jo Schlemper , Chen Qin , Cheng Ouyang , Wenjia Bai , Carlo Biffi , Ghalib Bello , Ben Statton , Declan P O'Regan , Daniel Rueckert

We propose VDL-Surrogate, a view-dependent neural-network-latent-based surrogate model for parameter space exploration of ensemble simulations that allows high-resolution visualizations and user-specified visual mappings. Surrogate-enabled…

图形学 · 计算机科学 2022-08-01 Neng Shi , Jiayi Xu , Haoyu Li , Hanqi Guo , Jonathan Woodring , Han-Wei Shen

Surrogate modelling is widely applied in computational science and engineering to mitigate computational efficiency issues for the real-time simulations of complex and large-scale computational models or for many-query scenarios, such as…

机器学习 · 计算机科学 2024-09-26 Konstantinos Kevopoulos , Dongwei Ye

This study proposes a self-optimization physics-informed Fourier-features randomized neural network (SO-PIFRNN) framework, which significantly improves the numerical solving accuracy of PDEs through hyperparameter optimization mechanism.…

神经与进化计算 · 计算机科学 2025-08-18 Jiale Linghu , Weifeng Gao , Hao Dong , Yufeng Nie

The growing penetration of distributed energy resources (DERs), electric vehicles (EVs), and heat pumps (HPs) in distribution networks underscores the need for secure, computationally efficient optimal power flow (OPF) solutions.…

系统与控制 · 电气工程与系统科学 2026-04-15 Savvas Panagi , Chrysovalantis Spanias , Petros Aristidou

The theory of random vector functional link network (RVFLN) has provided a breakthrough in the design of neural networks (NNs) since it conveys solid theoretical justification of randomized learning. Existing works in RVFLN are hardly…

神经与进化计算 · 计算机科学 2018-02-06 Mahardhika Pratama , Plamen P. Angelov , Edwin Lughofer

In this paper, we propose a deep learning framework based on randomized neural network. In particular, inspired by the principles of Random Vector Functional Link (RVFL) network, we present a deep RVFL network (dRVFL) with stacked layers.…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Rakesh Katuwal , P. N. Suganthan , M. Tanveer

Recently, surrogate models based on deep learning have attracted much attention for engineering analysis and optimization. As the construction of data pairs in most engineering problems is time-consuming, data acquisition is becoming the…

机器学习 · 计算机科学 2021-09-28 Xiaoyu Zhao , Zhiqiang Gong , Yunyang Zhang , Wen Yao , Xiaoqian Chen

Quantum Machine Learning (QML) has surfaced as a pioneering framework addressing sequential control tasks and time-series modeling. It has demonstrated empirical quantum advantages notably within domains such as Reinforcement Learning (RL)…

量子物理 · 物理学 2024-02-28 Samuel Yen-Chi Chen

Transformer models are increasingly used for solving Partial Differential Equations (PDEs). Several adaptations have been proposed, all of which suffer from the typical problems of Transformers, such as quadratic memory and time complexity.…

机器学习 · 计算机科学 2024-07-16 Jan Hagnberger , Marimuthu Kalimuthu , Daniel Musekamp , Mathias Niepert

Deep learning-based fault diagnosis (FD) approaches require a large amount of training data, which are difficult to obtain since they are located across different entities. Federated learning (FL) enables multiple clients to collaboratively…

机器学习 · 计算机科学 2023-10-16 Jixuan Cui , Jun Li , Zhen Mei , Kang Wei , Sha Wei , Ming Ding , Wen Chen , Song Guo

We introduce Variational State-Space Filters (VSSF), a new method for unsupervised learning, identification, and filtering of latent Markov state space models from raw pixels. We present a theoretically sound framework for latent state…

机器学习 · 计算机科学 2022-03-22 Daniel Pfrommer , Nikolai Matni

As a decentralized training approach, federated learning enables multiple organizations to jointly train a model without exposing their private data. This work investigates vertical federated learning (VFL) to address scenarios where…

人机交互 · 计算机科学 2022-10-04 Yun Tian , He Wang , Laixin Xie , Xiaojuan Ma , Quan Li

We present Variational Self-Supervised Learning (VSSL), a novel framework that combines variational inference with self-supervised learning to enable efficient, decoder-free representation learning. Unlike traditional VAEs that rely on…

机器学习 · 计算机科学 2025-05-02 Mehmet Can Yavuz , Berrin Yanikoglu

Parametric surrogate models of electric machines are widely used for efficient design optimization and operational monitoring. Addressing geometry variations, spline-based computer-aided design representations play a pivotal role. In this…

计算工程、金融与科学 · 计算机科学 2026-01-12 Merle Backmeyer , Michael Wiesheu , Sebastian Schöps

Multiscale problems are widely observed across diverse domains in physics and engineering. Translating these problems into numerical simulations and solving them using numerical schemes, e.g. the finite element method, is costly due to the…

Solving partial differential equations (PDEs) by numerical methods meet computational cost challenge for getting the accurate solution since fine grids and small time steps are required. Machine learning can accelerate this process, but…

数值分析 · 数学 2025-01-28 Qi Wang , Yuan Mi , Haoyun Wang , Yi Zhang , Ruizhi Chengze , Hongsheng Liu , Ji-Rong Wen , Hao Sun

In this work, we introduce kernels with random Fourier features in the meta-learning framework to leverage their strong few-shot learning ability. We propose meta variational random features (MetaVRF) to learn adaptive kernels for the…

机器学习 · 计算机科学 2020-08-14 Xiantong Zhen , Haoliang Sun , Yingjun Du , Jun Xu , Yilong Yin , Ling Shao , Cees Snoek

The kernel embedding algorithm is an important component for adapting kernel methods to large datasets. Since the algorithm consumes a major computation cost in the testing phase, we propose a novel teacher-learner framework of learning…

机器学习 · 统计学 2017-12-08 Jianqiao Wangni , Jingwei Zhuo , Jun Zhu