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Multiplex networks are complex graph structures in which a set of entities are connected to each other via multiple types of relations, each relation representing a distinct layer. Such graphs are used to investigate many complex…

We present evidence that multigrid (MG) works for wave equations in disordered systems, e.g. in the presence of gauge fields, no matter how strong the disorder. We introduce a "neural computations" point of view into large scale…

High Energy Physics - Lattice · Physics 2009-10-22 M. Baeker , G. Mack , M. Speh

Residual Networks (ResNets) have become state-of-the-art models in deep learning and several theoretical studies have been devoted to understanding why ResNet works so well. One attractive viewpoint on ResNet is that it is optimizing the…

Machine Learning · Statistics 2018-07-10 Atsushi Nitanda , Taiji Suzuki

MobileNet and Binary Neural Networks are two among the most widely used techniques to construct deep learning models for performing a variety of tasks on mobile and embedded platforms.In this paper, we present a simple yet efficient scheme…

Computer Vision and Pattern Recognition · Computer Science 2019-08-01 Hai Phan , Dang Huynh , Yihui He , Marios Savvides , Zhiqiang Shen

Despite the remarkable capabilities of deep neural networks in image recognition, the dependence on activation functions remains a largely unexplored area and has yet to be eliminated. On the other hand, Polynomial Networks is a class of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Yixin Cheng , Grigorios G. Chrysos , Markos Georgopoulos , Volkan Cevher

We extend and analyze the deep neural network multigrid solver (DNN-MG) for the Navier-Stokes equations in three dimensions. The idea of the method is to augment a finite element simulation on coarse grids with fine scale information…

Numerical Analysis · Mathematics 2023-12-22 Nils Margenberg , Robert Jendersie , Christian Lessig , Thomas Richter

Polygon representation learning is essential for diverse applications, encompassing tasks such as shape coding, building pattern classification, and geographic question answering. While recent years have seen considerable advancements in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Dazhou Yu , Yuntong Hu , Yun Li , Liang Zhao

Partial Differential Equations (PDEs) underpin many scientific phenomena, yet traditional computational approaches often struggle with complex, nonlinear systems and irregular geometries. This paper introduces the AMG method, a Multi-Graph…

Machine Learning · Computer Science 2025-02-10 Zhihao Li , Haoze Song , Di Xiao , Zhilu Lai , Wei Wang

We present the deep neural network multigrid solver (DNN-MG) that we develop for the instationary Navier-Stokes equations. DNN-MG improves computational efficiency using a judicious combination of a geometric multigrid solver and a…

Computational Physics · Physics 2022-01-19 Nils Margenberg , Dirk Hartmann , Christian Lessig , Thomas Richter

Existing deep learning approaches for image super-resolution, particularly those based on CNNs and attention mechanisms, often suffer from structural inflexibility. Although graph-based methods offer greater representational adaptability,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Qiongyang Hu , Wenyang Liu , Wenbin Zou , Yuejiao Su , Lap-Pui Chau , Yi Wang

We propose a simple yet effective method to reduce the redundancy of DenseNet by substantially decreasing the number of stacked modules by replacing the original bottleneck by our SMG module, which is augmented by local residual.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Chuanguang Yang , Zhulin An , Hui Zhu , Xiaolong Hu , Kun Zhang , Kaiqiang Xu , Chao Li , Yongjun Xu

Hypergraph neural networks have been promising tools for handling learning tasks involving higher-order data, with notable applications in web graphs, such as modeling multi-way hyperlink structures and complex user interactions. Yet, their…

Machine Learning · Computer Science 2025-01-28 Yifan Wang , Gonzalo R. Arce , Guangmo Tong

We present a novel high frequency residual learning framework, which leads to a highly efficient multi-scale network (MSNet) architecture for mobile and embedded vision problems. The architecture utilizes two networks: a low resolution…

Computer Vision and Pattern Recognition · Computer Science 2019-05-08 Bowen Cheng , Rong Xiao , Jianfeng Wang , Thomas Huang , Lei Zhang

The computational complexity of classical numerical methods for solving Partial Differential Equations (PDE) scales significantly as the resolution increases. As an important example, climate predictions require fine spatio-temporal…

Machine Learning · Computer Science 2022-10-12 Oussama Boussif , Dan Assouline , Loubna Benabbou , Yoshua Bengio

We introduce STAResNet, a ResNet architecture in Spacetime Algebra (STA) to solve Maxwell's partial differential equations (PDEs). Recently, networks in Geometric Algebra (GA) have been demonstrated to be an asset for truly geometric…

Machine Learning · Computer Science 2024-08-27 Alberto Pepe , Sven Buchholz , Joan Lasenby

Recent advancements in image restoration methods employing global modeling have shown promising results. However, these approaches often incur substantial memory requirements, particularly when processing ultra-high-definition (UHD) images.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Chen Wu , Zhuoran Zheng , Yuning Cui , Wenqi Ren

During the last decade, Neural Networks (NNs) have proved to be extremely effective tools in many fields of engineering, including autonomous vehicles, medical diagnosis and search engines, and even in art creation. Indeed, NNs often…

Machine Learning · Computer Science 2022-07-26 Dmitry Kuznichov

This paper introduces MDP homomorphic networks for deep reinforcement learning. MDP homomorphic networks are neural networks that are equivariant under symmetries in the joint state-action space of an MDP. Current approaches to deep…

Machine Learning · Computer Science 2021-01-21 Elise van der Pol , Daniel E. Worrall , Herke van Hoof , Frans A. Oliehoek , Max Welling

Magnetic resonance imaging (MRI) is an essential diagnostic tool that suffers from prolonged scan times. Reconstruction methods can alleviate this limitation by recovering clinically usable images from accelerated acquisitions. In…

Image and Video Processing · Electrical Eng. & Systems 2023-01-09 Salman UH Dar , Şaban Öztürk , Muzaffer Özbey , Tolga Çukur

Computations over the rational numbers often encounter the problem of intermediate coefficient growth. A solution to this is provided by modular methods, which apply the algorithm under consideration modulo a number of primes and then lift…

Algebraic Geometry · Mathematics 2024-01-23 Dirk Basson , Janko Boehm , Magdaleen S. Marais , Mirko Rahn , Hobihasina P. Rakotoarisoa