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相关论文: Learning the geometry of wave-based imaging

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A standard practice in developing image recognition models is to train a model on a specific image resolution and then deploy it. However, in real-world inference, models often encounter images different from the training sets in resolution…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Jinsung Jeon , Hyundong Jin , Jonghyun Choi , Sanghyun Hong , Dongeun Lee , Kookjin Lee , Noseong Park

Deep learning-based methods have revolutionized the field of imaging inverse problems, yielding state-of-the-art performance across various imaging domains. The best performing networks incorporate the imaging operator within the network…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Romain Vo , Julián Tachella

Fourier Neural Operators (FNO) offer a principled approach to solving challenging partial differential equations (PDE) such as turbulent flows. At the core of FNO is a spectral layer that leverages a discretization-convergent representation…

机器学习 · 计算机科学 2024-03-06 Robert Joseph George , Jiawei Zhao , Jean Kossaifi , Zongyi Li , Anima Anandkumar

Fourier ptychography is a recently developed imaging approach for large field-of-view and high-resolution microscopy. Here we model the Fourier ptychographic forward imaging process using a convolution neural network (CNN) and recover the…

计算机视觉与模式识别 · 计算机科学 2018-03-12 Shaowei Jiang , Kaikai Guo , Jun Liao , Guoan Zheng

Preserving geometric structure is important in learning. We propose a unified class of geometry-aware architectures that interleave geometric updates between layers, where both projection layers and intrinsic exponential map updates arise…

机器学习 · 计算机科学 2026-02-04 Karthik Elamvazhuthi , Shiba Biswal , Kian Rosenblum , Arushi Katyal , Tianli Qu , Grady Ma , Rishi Sonthalia

In this paper, we propose a deep convolutional neural network for learning the embeddings of images in order to capture the notion of visual similarity. We present a deep siamese architecture that when trained on positive and negative pairs…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Rishab Sharma , Anirudha Vishvakarma

This paper proposes a physics-informed neural operator (PINO) framework for solving inverse scattering problems, enabling rapid and accurate reconstructions under diverse measurement conditions. In the proposed approach, the dielectric…

计算物理 · 物理学 2026-03-27 Q. C. Dong , Zi-Xuan Su , Qing Huo Liu , Wen Chen , Zhizhang , Chen

This study presents a novel methodology for integrating physics-informed loss functions into deep learning models using OpenFOAM's comprehensive data structures. Leveraging the robust and flexible capabilities of OpenFOAM's data structure…

流体动力学 · 物理学 2024-08-20 Yijin Mao , Yuwen Zhang

We introduce a Graph Transformer framework that serves as a general inverse physics engine on meshes, demonstrated through the challenging task of reconstructing aerodynamic flow fields from sparse surface measurements. While deep learning…

机器学习 · 计算机科学 2025-01-29 Gregory Duthé , Imad Abdallah , Eleni Chatzi

In this paper, we present a novel image inpainting technique using frequency domain information. Prior works on image inpainting predict the missing pixels by training neural networks using only the spatial domain information. However,…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Hiya Roy , Subhajit Chaudhury , Toshihiko Yamasaki , Tatsuaki Hashimoto

We present a novel physics-informed deep learning framework for solving steady-state incompressible flow on multiple sets of irregular geometries by incorporating two main elements: using a point-cloud based neural network to capture…

流体动力学 · 物理学 2022-10-28 Ali Kashefi , Tapan Mukerji

Despite the enormous success of artificial neural networks (ANNs) in many disciplines, the characterization of their computations and the origin of key properties such as generalization and robustness remain open questions. Recent…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Nikos Karantzas , Emma Besier , Josue Ortega Caro , Xaq Pitkow , Andreas S. Tolias , Ankit B. Patel , Fabio Anselmi

Deep learning (DL) models have achieved strong performance in an intelligence healthcare setting, yet most existing approaches operate as black boxes and ignore the physical processes that govern tumor growth, limiting interpretability,…

机器学习 · 计算机科学 2026-03-31 Pulock Das , Al Amin , Kamrul Hasan , Rohan Thompson , Azubike D. Okpalaeze , Liang Hong

Computational modeling of aerodynamics is a key problem in aerospace engineering, often involving flows interacting with solid objects such as airfoils. Deep surrogate models have emerged as purely data-driven approaches that learn direct…

机器学习 · 计算机科学 2024-12-16 Jacob Helwig , Xuan Zhang , Haiyang Yu , Shuiwang Ji

Deep image registration has demonstrated exceptional accuracy and fast inference. Recent advances have adopted either multiple cascades or pyramid architectures to estimate dense deformation fields in a coarse-to-fine manner. However, due…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Xinxing Cheng , Xi Jia , Wenqi Lu , Qiufu Li , Linlin Shen , Alexander Krull , Jinming Duan

Deep learning is the mainstream technique for many machine learning tasks, including image recognition, machine translation, speech recognition, and so on. It has outperformed conventional methods in various fields and achieved great…

机器学习 · 计算机科学 2018-06-01 Na Lei , Zhongxuan Luo , Shing-Tung Yau , David Xianfeng Gu

Deep learning-based methods deliver state-of-the-art performance for solving inverse problems that arise in computational imaging. These methods can be broadly divided into two groups: (1) learn a network to map measurements to the signal…

图像与视频处理 · 电气工程与系统科学 2023-10-11 Nebiyou Yismaw , Ulugbek S. Kamilov , M. Salman Asif

Fractional diffusion equations have been an effective tool for modeling anomalous diffusion in complicated systems. However, traditional numerical methods require expensive computation cost and storage resources because of the memory effect…

数值分析 · 数学 2022-11-23 Xiong-bin Yan , Zhi-Qin John Xu , Zheng Ma

Inverse problems governed by partial differential equations (PDEs) are crucial in science and engineering. They are particularly challenging due to ill-posedness, data sparsity, and the added complexity of irregular geometries. Classical…

机器学习 · 计算机科学 2025-09-30 Sifan Wang , Zhikai Wu , David van Dijk , Lu Lu

Fibre orientation distribution (FOD) reconstruction using deep learning has the potential to produce accurate FODs from a reduced number of diffusion-weighted images (DWIs), decreasing total imaging time. Diffusion acquisition invariant…

计算机视觉与模式识别 · 计算机科学 2025-04-17 J Bartlett , C E Davey , L A Johnston , J Duan