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Coherent nonlinear wave dynamics are often strongly shaped by a compact set of physically meaningful descriptors of the initial state. Traditional neural operators typically treat the input-output mapping as a largely black-box…

机器学习 · 计算机科学 2026-04-15 Zhiwei Fan , Yiming Pan , Daniel Coca

This work explores the application of deep operator learning principles to a problem in statistical physics. Specifically, we consider the linear kinetic equation, consisting of a differential advection operator and an integral collision…

Thermal plasma properties play a critical role in plasma simulations and plasma-related applications. However, their strong nonlinear dependence on temperature, pressure, and gas composition makes accurate and efficient evaluation…

等离子体物理 · 物理学 2026-05-01 Zuo Wang , Linlin Zhong

Accurately, efficiently, and stably computing complex fluid flows and their evolution near solid boundaries over long horizons remains challenging. Conventional numerical solvers require fine grids and small time steps to resolve near-wall…

机器学习 · 计算机科学 2026-03-18 Chenglin Li , Hang Xu , Jianting Chen , Yanfei Zhang

DeepONet has recently been proposed as a representative framework for learning nonlinear mappings between function spaces. However, when it comes to approximating solution operators of partial differential equations (PDEs) with…

数值分析 · 数学 2024-08-09 Yameng Zhu , Jingrun Chen , Weibing Deng

Numerical simulation of multiphase flow in porous media is essential for many geoscience applications. Machine learning models trained with numerical simulation data can provide a faster alternative to traditional simulators. Here we…

地球物理 · 物理学 2022-05-06 Gege Wen , Zongyi Li , Kamyar Azizzadenesheli , Anima Anandkumar , Sally M. Benson

Performance of deep learning models is strongly governed by architectural capacity, with width and depth as primary controls. However, in physical-science applications, models are often compared at a single fixed size or by separating…

机器学习 · 计算机科学 2026-05-07 Alexander I. Khrabry , Edward A. Startsev , Andrew T. Powis , Igor D. Kaganovich

This work presents a novel hybrid approach that integrates Deep Operator Networks (DeepONet) with the Neural Tangent Kernel (NTK) to solve complex inverse problem. The method effectively addresses tasks such as source localization governed…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Yuhao Fang , Zijian Wang , Yao Lu , Ye Zhang , Chun Li

Medical image segmentation is a difficult but important task for many clinical operations such as cardiac bi-ventricular volume estimation. More recently, there has been a shift to utilizing deep learning and fully convolutional neural…

图像与视频处理 · 电气工程与系统科学 2020-03-17 Jesse Sun , Fatemeh Darbehani , Mark Zaidi , Bo Wang

This paper proposes a transfer learning approach to recalibrate our previously developed Wheel Odometry Neural Network (WhONet) for vehicle positioning in environments where Global Navigation Satellite Systems (GNSS) are unavailable. The…

机器人学 · 计算机科学 2022-09-14 Uche Onyekpe , Alicja Szkolnik , Vasile Palade , Stratis Kanarachos , Michael E. Fitzpatrick

Structural pruning of neural networks conventionally relies on identifying and discarding less important neurons, a practice often resulting in significant accuracy loss that necessitates subsequent fine-tuning efforts. This paper…

计算机视觉与模式识别 · 计算机科学 2024-02-14 Alexander Theus , Olin Geimer , Friedrich Wicke , Thomas Hofmann , Sotiris Anagnostidis , Sidak Pal Singh

While deep learning has shown tremendous success in a wide range of domains, it remains a grand challenge to incorporate physical principles in a systematic manner to the design, training, and inference of such models. In this paper, we aim…

计算物理 · 物理学 2020-06-16 Rui Wang , Karthik Kashinath , Mustafa Mustafa , Adrian Albert , Rose Yu

Machine learning is a popular tool that is being applied to many domains, from computer vision to natural language processing. It is not long ago that its use was extended to physics, but its capabilities remain to be accurately contoured.…

计算物理 · 物理学 2019-10-31 Junfeng Chen , Jonathan Viquerat , Elie Hachem

Design and optimal control problems are among the fundamental, ubiquitous tasks we face in science and engineering. In both cases, we aim to represent and optimize an unknown (black-box) function that associates a performance/outcome to a…

机器学习 · 计算机科学 2021-10-27 Sifan Wang , Mohamed Aziz Bhouri , Paris Perdikaris

Vascular segmentation represents a crucial clinical task, yet its automation remains challenging. Because of the recent strides in deep learning, vesselness filters, which can significantly aid the learning process, have been overlooked.…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Guillaume Garret , Antoine Vacavant , Carole Frindel

We present a hybrid partitioned deep learning framework for the reduced-order modeling of fluid-structure interaction. Using the discretized Navier-Stokes in the arbitrary Lagrangian-Eulerian reference frame, we generate the full-order flow…

流体动力学 · 物理学 2021-11-02 Rachit Gupta , Rajeev Kumar Jaiman

The Direct Simulation Monte Carlo (DSMC) method remains the gold standard for simulating rarefied gas flows but is prohibitively expensive for parametric and many-query applications. To address this limitation, we introduce a Deep Operator…

流体动力学 · 物理学 2025-09-23 Ehsan Roohi , Amirmehran Mahdavi

This paper focuses on the feasibility of Deep Neural Operator (DeepONet) as a robust surrogate modeling method within the context of digital twin (DT) for nuclear energy systems. Through benchmarking and evaluation, this study showcases the…

机器学习 · 统计学 2024-04-30 Kazuma Kobayashi , Syed Bahauddin Alam

Semantic segmentation of ultra-high-resolution (UHR) remote sensing imagery is critical for applications like environmental monitoring and urban planning but faces computational and optimization challenges. Conventional methods either lose…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Hengzhi Chen , Liqian Feng , Wenhua Wu , Xiaogang Zhu , Shawn Leo , Kun Hu

In this paper, we evaluate the effectiveness of deep operator networks (DeepONets) in solving both forward and inverse problems of partial differential equations (PDEs) on unknown manifolds. By unknown manifolds, we identify the manifold by…

数值分析 · 数学 2024-07-09 Anran Jiao , Qile Yan , Jhn Harlim , Lu Lu