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Classical problems in computational physics such as data-driven forecasting and signal reconstruction from sparse sensors have recently seen an explosion in deep neural network (DNN) based algorithmic approaches. However, most DNN models do…

机器学习 · 计算机科学 2023-02-21 Romit Maulik , Romain Egele , Krishnan Raghavan , Prasanna Balaprakash

Considering uncertainty estimation of modern neural networks (NNs) is one of the most important steps towards deploying machine learning systems to meaningful real-world applications such as in medicine, finance or autonomous systems. At…

机器学习 · 计算机科学 2022-05-20 Martin Ferianc , Miguel Rodrigues

Recently, deep learning has emerged as a promising tool for statistical downscaling, the set of methods for generating high-resolution climate fields from coarse low-resolution variables. Nevertheless, their ability to generalize to climate…

机器学习 · 计算机科学 2023-05-03 Jose González-Abad , Jorge Baño-Medina

Uncertainty estimation in deep learning has become a leading research field in medical image analysis due to the need for safe utilisation of AI algorithms in clinical practice. Most approaches for uncertainty estimation require sampling…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Kaisar Kushibar , Víctor Manuel Campello , Lidia Garrucho Moras , Akis Linardos , Petia Radeva , Karim Lekadir

Deep networks have been revolutionary in improving performance of machine learning and artificial intelligence systems. Their high prediction accuracy, however, comes at a price of \emph{model irreproducibility\/} in very high levels that…

机器学习 · 计算机科学 2020-10-21 Gil I. Shamir , Lorenzo Coviello

Ensembles of models have been empirically shown to improve predictive performance and to yield robust measures of uncertainty. However, they are expensive in computation and memory. Therefore, recent research has focused on distilling…

We study the problem of progressive ensemble distillation: Given a large, pretrained teacher model $g$, we seek to decompose the model into smaller, low-inference cost student models $f_i$, such that progressively evaluating additional…

机器学习 · 计算机科学 2023-11-10 Don Kurian Dennis , Abhishek Shetty , Anish Sevekari , Kazuhito Koishida , Virginia Smith

Ensembles of deep neural networks have demonstrated superior performance, but their heavy computational cost hinders applying them for resource-limited environments. It motivates distilling knowledge from the ensemble teacher into a smaller…

机器学习 · 计算机科学 2022-07-01 Giung Nam , Hyungi Lee , Byeongho Heo , Juho Lee

Efficiently and reliably estimating uncertainty is an important objective in deep learning. It is especially pertinent to autoregressive sequence tasks, where training and inference costs are typically very high. However, existing research…

机器学习 · 计算机科学 2023-05-18 Yassir Fathullah , Guoxuan Xia , Mark Gales

Knowledge distillation, which involves extracting the "dark knowledge" from a teacher network to guide the learning of a student network, has emerged as an essential technique for model compression and transfer learning. Unlike previous…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Guodong Xu , Ziwei Liu , Chen Change Loy

Bayesian models have many desirable properties, most notable is their ability to generalize from limited data and to properly estimate the uncertainty in their predictions. However, these benefits come at a steep computational cost as…

机器学习 · 计算机科学 2022-06-07 Coby Penso , Idan Achituve , Ethan Fetaya

For many practical, high-risk applications, it is essential to quantify uncertainty in a model's predictions to avoid costly mistakes. While predictive uncertainty is widely studied for neural networks, the topic seems to be under-explored…

机器学习 · 计算机科学 2021-04-05 Andrey Malinin , Liudmila Prokhorenkova , Aleksei Ustimenko

Deep learning has been shown to be highly effective for automatic modulation classification (AMC), which is a pivotal technology for next-generation cognitive communications. Yet, existing deep learning methods for AMC often lack robust…

信号处理 · 电气工程与系统科学 2025-12-03 Huian Yang , Rajeev Sahay

Rigorous statistical methods, including parameter estimation with accompanying uncertainties, underpin the validity of scientific discovery, especially in the natural sciences. With increasingly complex data models such as deep learning…

机器学习 · 计算机科学 2026-02-18 Aurora Grefsrud , Nello Blaser , Trygve Buanes

Deep neural networks (NNs) are powerful black box predictors that have recently achieved impressive performance on a wide spectrum of tasks. Quantifying predictive uncertainty in NNs is a challenging and yet unsolved problem. Bayesian NNs,…

机器学习 · 统计学 2017-11-07 Balaji Lakshminarayanan , Alexander Pritzel , Charles Blundell

Deep learning-based support systems have demonstrated encouraging results in numerous clinical applications involving the processing of time series data. While such systems often are very accurate, they have no inherent mechanism for…

Deep neural networks (DNNs) have made a revolution in numerous fields during the last decade. However, in tasks with high safety requirements, such as medical or autonomous driving applications, providing an assessment of the models…

机器学习 · 计算机科学 2020-11-20 Omer Achrack , Raizy Kellerman , Ouriel Barzilay

Ensembling a neural network is a widely recognized approach to enhance model performance, estimate uncertainty, and improve robustness in deep supervised learning. However, deep ensembles often come with high computational costs and memory…

Real-world time series data often exhibits substantial missing values, posing challenges for advanced analysis. A common approach to addressing this issue is imputation, where the primary challenge lies in determining the appropriate values…

机器学习 · 计算机科学 2025-12-02 Ying Liu , Peng Cui , Wenbo Hu , Richang Hong

Large language models present challenges for principled uncertainty quantification, in part due to their complexity and the diversity of their outputs. Semantic dispersion, or the variance in the meaning of sampled answers, has been…

计算与语言 · 计算机科学 2026-03-24 Edward Phillips , Sean Wu , Fredrik K. Gustafsson , Boyan Gao , David A. Clifton