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We introduce the concept of a Graph-Informed Neural Network (GINN), a hybrid approach combining deep learning with probabilistic graphical models (PGMs) that acts as a surrogate for physics-based representations of multiscale and…

计算物理 · 物理学 2021-03-17 Eric J. Hall , Søren Taverniers , Markos A. Katsoulakis , Daniel M. Tartakovsky

This paper proposes a rank inspired neural network (RINN) to tackle the initialization sensitivity issue of physics informed extreme learning machines (PIELM) when numerically solving partial differential equations (PDEs). Unlike PIELM…

数值分析 · 数学 2025-06-24 Wentao Peng , Yunqing Huang , Nianyu Yi

Speckle reduction is a longstanding topic in synthetic aperture radar (SAR) images. Many different schemes have been proposed for the restoration of intensity SAR images. Among the different possible approaches, methods based on…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Emanuele Dalsasso , Xiangli Yang , Loïc Denis , Florence Tupin , Wen Yang

Image classifiers for domain-specific tasks like Synthetic Aperture Radar Automatic Target Recognition (SAR ATR) and chest X-ray classification often rely on convolutional neural networks (CNNs). These networks, while powerful, experience…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Jacob Fein-Ashley , Sachini Wickramasinghe , Bingyi Zhang , Rajgopal Kannan , Viktor Prasanna

Partial differential equations (PDEs) are commonly employed to model complex industrial systems characterized by multivariable dependence. Existing physics-informed neural networks (PINNs) excel in solving PDEs in a homogeneous medium.…

机器学习 · 计算机科学 2024-01-29 Aina Wang , Pan Qin , Xi-Ming Sun

Integrating physical inductive biases into machine learning can improve model generalizability. We generalize the successful paradigm of physics-informed learning (PIL) into a more general framework that also includes what we term…

机器学习 · 计算机科学 2021-09-29 Ziming Liu , Yunyue Chen , Yuanqi Du , Max Tegmark

Synthetic Aperture Radar (SAR) images are conventionally visualized as grayscale amplitude representations, which often fail to explicitly reveal interference characteristics caused by external radio emitters and unfocused signals. This…

图像与视频处理 · 电气工程与系统科学 2025-09-11 Huizhang Yang , Chengzhi Chen , Liyuan Chen , Zhongling Huang , Zhong Liu , Jian Yang

Synthetic Aperture Radar (SAR) constitutes a fundamental asset for wide-areas monitoring with high-resolution requirements. The first SAR sensors have given rise to coarse coastal and maritime monitoring applications, including oil spill,…

图像与视频处理 · 电气工程与系统科学 2019-10-15 Leonardo De Laurentiis , Andrea Pomente , Fabio Del Frate , Giovanni Schiavon

Dynamic positron emission tomography (PET) with [$^{18}$F]FDG enables non-invasive quantification of glucose metabolism through kinetic analysis, often modelled by the two-tissue compartment model (TCKM). However, voxel-wise kinetic…

图像与视频处理 · 电气工程与系统科学 2025-04-25 Kartikay Tehlan , Thomas Wendler

Deep neural networks are complex and opaque. As they enter application in a variety of important and safety critical domains, users seek methods to explain their output predictions. We develop an approach to explaining deep neural networks…

人工智能 · 计算机科学 2018-02-05 Michael Harradon , Jeff Druce , Brian Ruttenberg

Implicit Neural Representations (INRs) are widely used for modeling continuous 2D images, enabling high-fidelity reconstruction, super-resolution, and compression. Architectures such as SIREN, WIRE, and FINER demonstrate their ability to…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Weronika Jakubowska , Mikołaj Zieliński , Rafał Tobiasz , Krzysztof Byrski , Maciej Zięba , Dominik Belter , Przemysław Spurek

Objective: We develop a computer-aided diagnosis (CAD) system using deep learning approaches for lesion detection and classification on whole-slide images (WSIs) with breast cancer. The deep features being distinguishing in classification…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Wei-Wen Hsu , Yongfang Wu , Chang Hao , Yu-Ling Hou , Xiang Gao , Yun Shao , Xueli Zhang , Tao He , Yanhong Tai

Radiomics analysis has achieved great success in recent years. However, conventional Radiomics analysis suffers from insufficiently expressive hand-crafted features. Recently, emerging deep learning techniques, e.g., convolutional neural…

图像与视频处理 · 电气工程与系统科学 2019-10-22 Jiancheng Yang , Rongyao Fang , Bingbing Ni , Yamin Li , Yi Xu , Linguo Li

Images generated by high-resolution SAR have vast areas of application as they can work better in adverse light and weather conditions. One such area of application is in the military systems. This study is an attempt to explore the…

图像与视频处理 · 电气工程与系统科学 2023-03-29 Aakash Singh , Vivek Kumar Singh

We introduce a class of Sparse, Physics-based, and partially Interpretable Neural Networks (SPINN) for solving ordinary and partial differential equations (PDEs). By reinterpreting a traditional meshless representation of solutions of PDEs…

机器学习 · 计算机科学 2021-08-13 Amuthan A. Ramabathiran , Prabhu Ramachandran

Physics-informed neural networks (PINNs) have great potential for flexibility and effectiveness in forward modeling and inversion of seismic waves. However, coordinate-based neural networks (NNs) commonly suffer from the "spectral bias"…

地球物理 · 物理学 2025-06-19 Yi Ding , Su Chen , Hiroe Miyake , Xiaojun Li

Tracking performance of physical-model-based feedforward control for interventional X-ray systems is limited by hard-to-model parasitic nonlinear dynamics, such as cable forces and nonlinear friction. In this paper, these nonlinear dynamics…

系统与控制 · 电气工程与系统科学 2023-03-29 Johan Kon , Naomi de Vos , Dennis Bruijnen , Jeroen van de Wijdeven , Marcel Heertjes , Tom Oomen

Integrated Gradients (IG) and PatternAttribution (PA) are two established explainability methods for neural networks. Both methods are theoretically well-founded. However, they were designed to overcome different challenges. In this work,…

机器学习 · 计算机科学 2020-09-02 Robert Schwarzenberg , Steffen Castle

The use of convolutional neural networks (CNNs) in seismic interpretation tasks, like facies classification, has garnered a lot of attention for its high accuracy. However, its drawback is usually poor generalization when trained with…

地球物理 · 物理学 2023-08-11 Fu Wang , Tariq Alkhalifah

Physics-informed neural networks (PINNs) have emerged as a powerful tool for solving physical systems described by partial differential equations (PDEs). However, their accuracy in dynamical systems, particularly those involving sharp…

计算物理 · 物理学 2026-03-03 Wei Wang , Tang Paai Wong , Haihui Ruan , Somdatta Goswami