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相关论文: Leveraging Deep Operator Networks (DeepONet) for A…

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The use of neural operators in a digital twin model of an offshore floating structure can provide a paradigm shift in structural response prediction and health monitoring, providing valuable information for real-time control. In this work,…

大气与海洋物理 · 物理学 2023-12-04 Qianying Cao , Somdatta Goswami , Tapas Tripura , Souvik Chakraborty , George Em Karniadakis

In deep networks, the lost data details significantly degrade the performances of image segmentation. In this paper, we propose to apply Discrete Wavelet Transform (DWT) to extract the data details during feature map down-sampling, and…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Qiufu Li , Linlin Shen

Channel State Information (CSI) provides a detailed description of the wireless channel and has been widely adopted for Wi-Fi sensing, particularly for high-precision indoor positioning. However, complete CSI is rarely available in…

信息论 · 计算机科学 2026-02-16 Ran Tao , Jiajia Guo , Yiming Cui , Xiangyi Li , Chao-Kai Wen , Shi Jin

Full waveform inversion (FWI) is a nonlinear waveform matching procedure, which suffers from cycle skipping when the initial model is not kinematically-accurate enough. To mitigate cycle skipping, wavefield reconstruction inversion (WRI)…

最优化与控制 · 数学 2019-10-29 Hossein S. Aghamiry , Ali Gholami , Stéphane Operto

Physics-informed deep operator networks (DeepONets) have emerged as a promising approach toward numerically approximating the solution of partial differential equations (PDEs). In this work, we aim to develop further understanding of what…

机器学习 · 计算机科学 2024-11-28 Emily Williams , Amanda Howard , Brek Meuris , Panos Stinis

Full-waveform inversion (FWI) is pivotal for reconstructing high-resolution subsurface velocity models but remains computationally intensive and ill-posed. While deep learning approaches promise efficiency, existing Convolutional Neural…

机器学习 · 计算机科学 2026-05-05 Zhenyu Wang , Peiyuan Li , Yongxiang Shi , Ruoyu Wu , Chenfei Liao , Lei Zhang

This study presents an enhanced multi-fidelity Deep Operator Network (DeepONet) framework for efficient spatio-temporal flow field prediction when high-fidelity data is scarce. Key innovations include: a merge network replacing traditional…

流体动力学 · 物理学 2025-07-18 Sunwoong Yang , Youngkyu Lee , Namwoo Kang

Deep Operator Networks (DeepOnets) have revolutionized the domain of scientific machine learning for the solution of the inverse problem for dynamical systems. However, their implementation necessitates optimizing a high-dimensional space…

A new data-driven method for operator learning of stochastic differential equations(SDE) is proposed in this paper. The central goal is to solve forward and inverse stochastic problems more effectively using limited data. Deep operator…

机器学习 · 统计学 2022-04-08 Jiahao Zhang , Shiqi Zhang , Guang Lin

I demonstrate that the conventional seismic full-waveform inversion algorithm can be constructed as a recurrent neural network and so implemented using deep learning software such as TensorFlow. Applying another deep learning concept, the…

地球物理 · 物理学 2018-02-01 Alan Richardson

Seismic waveform modeling is a powerful tool for determining earth structure models and unraveling earthquake rupture processes, but it is usually computationally expensive. We introduce a scheme to vastly accelerate these calculations with…

地球物理 · 物理学 2023-04-06 Yan Yang , Angela F. Gao , Kamyar Azizzadenesheli , Robert W. Clayton , Zachary E. Ross

We address the problem of decomposing an image into albedo and shading. We propose the Fast Fourier Intrinsic Network, FFI-Net in short, that operates in the spectral domain, splitting the input into several spectral bands. Weights in…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Yanlin Qian , Miaojing Shi , Joni-Kristian Kämäräinen , Jiri Matas

Elastic full-waveform inversion (FWI) when successfully applied can provide accurate and high-resolution subsurface parameters. However, its high computational cost prevents the application of this method to large-scale field-data…

地球物理 · 物理学 2022-06-17 Ettore Biondi , Guillaume Barnier , Biondo Biondi , Robert G. Clapp

Today's wireless technologies are largely based on inflexible designs, which makes them inefficient and prone to a variety of wireless attacks. To address this key issue, wireless receivers will need to (i) infer on-the-fly the…

网络与互联网体系结构 · 计算机科学 2020-05-06 Francesco Restuccia , Tommaso Melodia

Neural network based data-driven operator learning schemes have shown tremendous potential in computational mechanics. DeepONet is one such neural network architecture which has gained widespread appreciation owing to its excellent…

机器学习 · 统计学 2022-06-14 Shailesh Garg , Souvik Chakraborty

With massive advancements in sensor technologies and Internet-of-things, we now have access to terabytes of historical data; however, there is a lack of clarity in how to best exploit the data to predict future events. One possible…

计算物理 · 物理学 2022-05-05 Tapas Tripura , Souvik Chakraborty

Structural optimization is essential for designing safe, efficient, and durable components with minimal material usage. Traditional methods for vibration control often rely on active systems to mitigate unpredictable vibrations, which may…

计算物理 · 物理学 2024-12-31 A. Tollardo , F. Cadini , M. Giglio , L. Lomazzi

Full waveform inversion (FWI) is a nonlinear PDE constrained optimization problem, which seeks to estimate constitutive parameters of a medium such as phase velocity, density, and anisotropy, by fitting waveforms. Attenuation is an…

信号处理 · 电气工程与系统科学 2021-02-09 Hossein S. Aghamiry , Ali Gholami , Stephane Operto

Seismic data processing heavily relies on the solution of physics-driven inverse problems. In the presence of unfavourable data acquisition conditions (e.g., regular or irregular coarse sampling of sources and/or receivers), the underlying…

地球物理 · 物理学 2022-07-21 Matteo Ravasi

Full-waveform inversion (FWI) can produce high-resolution subsurface models, yet it remains inherently ill-posed, highly nonlinear, and computationally intensive. Although recent deep learning and numerical acceleration methods have…

机器学习 · 计算机科学 2025-11-18 Wang Zhenyu , Li Peiyuan , Shi Yongxiang , Wu Ruoyu , Zhang Lei
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