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Parametric differential equations of the form du/dt = f(u, x, t, p) are fundamental in science and engineering. While deep learning frameworks such as the Fourier Neural Operator (FNO) can efficiently approximate solutions, they struggle…

Machine Learning · Computer Science 2025-06-03 Abdolmehdi Behroozi , Chaopeng Shen and , Daniel Kifer

Data-driven surrogates can replace expensive multiphysics solvers for parametric PDEs, yet building compact, accurate neural operators for three-dimensional problems remains challenging: in Fourier Neural Operators, dense mode-wise spectral…

Quantum Physics · Physics 2026-04-07 Mateusz Papierz , Asel Sagingalieva , Alix Benoit , Toni Ivas , Elia Iseli , Alexey Melnikov

The quadratic complexity of dot-product attention introduced in Transformer remains a fundamental bottleneck impeding the progress of foundation models toward unbounded context lengths. Addressing this challenge, we introduce the Deep…

Machine Learning · Computer Science 2025-09-03 Yifan Zhang

Accurate urban microclimate analysis with wind velocity and temperature is vital for energy-efficient urban planning, supporting carbon reduction, enhancing public health and comfort, and advancing the low-altitude economy. However,…

Prolonged contact between a corrosive liquid and metal alloys can cause progressive dealloying. For such liquid-metal dealloying (LMD) process, phase field models have been developed. However, the governing equations often involve coupled…

Computational Engineering, Finance, and Science · Computer Science 2025-02-06 Christophe Bonneville , Nathan Bieberdorf , Arun Hegde , Mark Asta , Habib N. Najm , Laurent Capolungo , Cosmin Safta

The transformer networks are extensively utilized in face forgery detection due to their scalability across large datasets.Despite their success, transformers face challenges in balancing the capture of global context, which is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Zhida Zhang , Jie Cao , Wenkui Yang , Qihang Fan , Kai Zhou , Ran He

Due to the depth degradation effect in residual connections, many efficient Vision Transformers models that rely on stacking layers for information exchange often fail to form sufficient information mixing, leading to unnatural visual…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Dai Shi

2D+3D facial expression recognition (FER) can effectively cope with illumination changes and pose variations by simultaneously merging 2D texture and more robust 3D depth information. Most deep learning-based approaches employ the simple…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Mingzhe Sui , Hanting Li , Zhaoqing Zhu , Feng Zhao

In this paper, we propose physics-informed neural operators (PINO) that combine training data and physics constraints to learn the solution operator of a given family of parametric Partial Differential Equations (PDE). PINO is the first…

We present a Fourier neural network (FNN) that can be mapped directly to the Fourier decomposition. The choice of activation and loss function yields results that replicate a Fourier series expansion closely while preserving a…

Machine Learning · Computer Science 2021-04-30 Marieme Ngom , Oana Marin

This paper investigates the temporal evolution of high-speed compressible fluids in irregular flow fields using the Fourier Neural Operator (FNO). We reconstruct the irregular flow field point set into sequential format compatible with FNO…

Fluid Dynamics · Physics 2026-01-06 Yifan Nie , Qiaoxin Li

Transformers have become the de facto standard for a wide range of tasks, from image classification to physics simulations. Despite their impressive performance, the quadratic complexity of standard Transformers in both memory and time with…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Alex Colagrande , Paul Caillon , Eva Feillet , Alexandre Allauzen

Vision Transformers (ViTs) have achieved strong performance in visual recognition, yet their deployment in resource-constrained industrial environments remains limited. Some main challenges are their high computational cost, memory…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Phat Nguyen , Xue Geng , Kaixin Xu , Wang Zhe , Xulei Yang , Ngai-Man Cheung

Attentional mechanisms are order-invariant. Positional encoding is a crucial component to allow attention-based deep model architectures such as Transformer to address sequences or images where the position of information matters. In this…

Machine Learning · Computer Science 2021-11-10 Yang Li , Si Si , Gang Li , Cho-Jui Hsieh , Samy Bengio

Generative models in function spaces, situated at the intersection of generative modeling and operator learning, are attracting increasing attention due to their immense potential in diverse scientific and engineering applications. While…

Machine Learning · Computer Science 2025-10-30 Yaozhong Shi , Zachary E. Ross , Domniki Asimaki , Kamyar Azizzadenesheli

Recent studies have integrated convolutions into transformers to introduce inductive bias and improve generalization performance. However, the static nature of conventional convolution prevents it from dynamically adapting to input…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Meng Lou , Shu Zhang , Hong-Yu Zhou , Sibei Yang , Chuan Wu , Yizhou Yu

Transformer architecture has emerged to be successful in a number of natural language processing tasks. However, its applications to medical vision remain largely unexplored. In this study, we present UTNet, a simple yet powerful hybrid…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Yunhe Gao , Mu Zhou , Dimitris Metaxas

A Fourier neural operator (FNO) is one of the physics-inspired machine learning methods. In particular, it is a neural operator. In recent times, several types of neural operators have been developed, e.g., deep operator networks, Graph…

Machine Learning · Computer Science 2022-09-27 Taeyoung Kim , Myungjoo Kang

Due to the effective performance of multi-scale feature fusion, Path Aggregation FPN (PAFPN) is widely employed in YOLO detectors. However, it cannot efficiently and adaptively integrate high-level semantic information with low-level…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Zhiqiang Yang , Qiu Guan , Keer Zhao , Jianmin Yang , Xinli Xu , Haixia Long , Ying Tang

Neural representations have emerged as a new paradigm for applications in rendering, imaging, geometric modeling, and simulation. Compared to traditional representations such as meshes, point clouds, or volumes they can be flexibly…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Julien N. P. Martel , David B. Lindell , Connor Z. Lin , Eric R. Chan , Marco Monteiro , Gordon Wetzstein