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For nonlinear inverse problems that are prevalent in imaging science, symmetries in the forward model are common. When data-driven deep learning approaches are used to solve such problems, these intrinsic symmetries can cause substantial…

信号处理 · 电气工程与系统科学 2024-03-26 Wenjie Zhang , Yuxiang Wan , Zhong Zhuang , Ju Sun

Beginning from a basic neural-network architecture, we test the potential benefits offered by a range of advanced techniques for machine learning, in particular deep learning, in the context of a typical classification problem encountered…

数据分析、统计与概率 · 物理学 2020-06-03 Giles Chatham Strong

Recently, studies on machine learning have focused on methods that use symmetry implicit in a specific manifold as an inductive bias. Grassmann manifolds provide the ability to handle fundamental shapes represented as shape spaces, enabling…

机器学习 · 计算机科学 2023-12-06 Ryoma Yataka , Kazuki Hirashima , Masashi Shiraishi

Deep ensemble is a simple yet powerful way to improve the performance of deep neural networks. Under this motivation, recent works on mode connectivity have shown that parameters of ensembles are connected by low-loss subspaces, and one can…

机器学习 · 计算机科学 2023-06-21 EungGu Yun , Hyungi Lee , Giung Nam , Juho Lee

Pre-trained representation is one of the key elements in the success of modern deep learning. However, existing works on continual learning methods have mostly focused on learning models incrementally from scratch. In this paper, we explore…

机器学习 · 计算机科学 2022-08-18 Hyounguk Shon , Janghyeon Lee , Seung Hwan Kim , Junmo Kim

This paper is concerned with the approximation of the solution of partial differential equations by means of artificial neural networks. Here a feedforward neural network is used to approximate the solution of the partial differential…

数值分析 · 数学 2019-04-10 Henri Calandra , Serge Gratton , Elisa Riccietti , Xavier Vasseur

We present a general framework for training deep neural networks without backpropagation. This substantially decreases training time and also allows for construction of deep networks with many sorts of learners, including networks whose…

机器学习 · 统计学 2017-06-09 Chris Hettinger , Tanner Christensen , Ben Ehlert , Jeffrey Humpherys , Tyler Jarvis , Sean Wade

Autonomous driving is becoming a future practical lifestyle greatly driven by deep learning. Specifically, an effective traffic sign detection by deep learning plays a critical role for it. However, different countries have different sets…

计算机视觉与模式识别 · 计算机科学 2018-05-04 Songwen Pei , Fuwu Tang , Yanfei Ji , Jing Fan , Zhong Ning

Real world data often lie on low-dimensional Riemannian manifolds embedded in high-dimensional spaces. This motivates learning degenerate normalizing flows that map between the ambient space and a low-dimensional latent space. However, if…

机器学习 · 计算机科学 2026-04-14 Hanlin Yu , Søren Hauberg , Marcelo Hartmann , Arto Klami , Georgios Arvanitidis

Transfer learning - i.e., further fine-tuning a pre-trained model on a downstream task - can confer significant advantages, including improved downstream performance, faster convergence, and better sample efficiency. These advantages have…

机器学习 · 计算机科学 2023-10-30 Prateek Yadav , Derek Tam , Leshem Choshen , Colin Raffel , Mohit Bansal

Obtaining meaningful solutions for inverse problems has been a major challenge with many applications in science and engineering. Recent machine learning techniques based on proximal and diffusion-based methods have shown promising results.…

机器学习 · 计算机科学 2024-02-08 Moshe Eliasof , Eldad Haber , Eran Treister

Despite rapid progress, current deep learning methods face a number of critical challenges. These include high energy consumption, catastrophic forgetting, dependance on global losses, and an inability to reason symbolically. By combining…

机器学习 · 计算机科学 2021-07-23 Wilkie Olin-Ammentorp , Maxim Bazhenov

The recent introduction of Machine Learning techniques, especially Normalizing Flows, for the sampling of lattice gauge theories has shed some hope on improving the sampling efficiency of the traditional Hybrid Monte Carlo (HMC) algorithm.…

高能物理 - 格点 · 物理学 2023-09-21 David Albandea , Luigi Del Debbio , Pilar Hernández , Richard Kenway , Joe Marsh Rossney , Alberto Ramos

Transfer learning is widely used to adapt large pretrained models to new tasks with only a small amount of new data. However, a challenge persists -- the features from the original task often do not fully cover what is needed for unseen…

机器学习 · 计算机科学 2026-02-10 Xingyu Alice Yang , Jianyu Zhang , Léon Bottou

Segmentation of very large images is a common problem in microscopy, medical imaging or remote sensing. The problem is usually addressed by sliding window inference, which can theoretically lead to seamlessly stitched predictions. However,…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Elena Buglakova , Anwai Archit , Edoardo D'Imprima , Julia Mahamid , Constantin Pape , Anna Kreshuk

Deep neural networks often severely forget previously learned knowledge when learning new knowledge. Various continual learning (CL) methods have been proposed to handle such a catastrophic forgetting issue from different perspectives and…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Chao Wu , Xiaobin Chang , Ruixuan Wang

In this study, we analyzed the problem of accelerating the linear average consensus algorithm for complex networks. We propose a data-driven approach to tuning the weights of temporal (i.e., time-varying) networks using deep learning…

最优化与控制 · 数学 2023-08-29 Masako Kishida , Masaki Ogura , Yuichi Yoshida , Tadashi Wadayama

The widespread adoption of whole slide imaging has increased the demand for effective and efficient gigapixel image analysis. Deep learning is at the forefront of computer vision, showcasing significant improvements over previous…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Neofytos Dimitriou , Ognjen Arandjelović , Peter D Caie

A machine learning method to predict steady external fluid flows using elliptic input features is introduced. Using data from as few as one high-fidelity simulation, the proposed method produces models generalizable under changes to…

流体动力学 · 物理学 2025-01-28 Kazuko W. Fuchi , Eric M. Wolf , David S. Makhija , Christopher R. Schrock , Philip S. Beran

Deep Metric Learning (DML) methods have been proven relevant for visual similarity learning. However, they sometimes lack generalization properties because they are trained often using an inappropriate sample selection strategy or due to…