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Accurate spatial-temporal (ST) prediction for dynamic systems, such as urban mobility and weather patterns, is crucial but hindered by complex ST correlations and the challenge of concurrently modeling long-term trends with short-term…

机器学习 · 计算机科学 2025-07-15 Sina Ehsani , Fenglian Pan , Qingpei Hu , Jian Liu

Bayesian computation for filtering and forecasting analysis is developed for a broad class of dynamic models. The ability to scale-up such analyses in non-Gaussian, nonlinear multivariate time series models is advanced through the…

统计方法学 · 统计学 2022-06-07 Isaac Lavine , Andrew Cron , Mike West

Interpolating a skewed conditional spatial random field with missing data is cumbersome in the absence of Gaussianity assumptions. Maintaining spatial homogeneity and continuity around the observed random spatial point is also challenging,…

统计方法学 · 统计学 2022-05-27 Debjoy Thakur , Ishapathik Das , Shubhashree Chakravarty

Recently, machine learning systems have gained prominence in real-time, critical decision-making domains, such as autonomous driving and industrial automation. Their implementations should avoid overconfident predictions through uncertainty…

Due to the issue that existing wireless sensor network (WSN)-based anomaly detection methods only consider and analyze temporal features, in this paper, a self-supervised learning-based anomaly node detection method based on an autoencoder…

机器学习 · 计算机科学 2022-12-29 Miao Ye , Qinghao Zhang , Xingsi Xue , Yong Wang , Qiuxiang Jiang , Hongbing Qiu

We address an important yet challenging problem - modeling high-dimensional dependencies across multivariates such as financial indicators in heterogeneous markets. In reality, a market couples and influences others over time, and the…

统计金融 · 定量金融 2023-05-16 Jia Xu , Longbing Cao

Quantifying uncertainty in future climate projections is hindered by the prohibitive computational cost of running physical climate models, which severely limits the availability of training data. We propose a data-efficient framework for…

统计方法学 · 统计学 2026-02-27 Johannes Brachem , Paul F. V. Wiemann , Matthias Katzfuss

We present Spline-based Convolutional Neural Networks (SplineCNNs), a variant of deep neural networks for irregular structured and geometric input, e.g., graphs or meshes. Our main contribution is a novel convolution operator based on…

计算机视觉与模式识别 · 计算机科学 2018-05-24 Matthias Fey , Jan Eric Lenssen , Frank Weichert , Heinrich Müller

This article presents a neural network approach for estimating the covariance function of spatial Gaussian random fields defined in a portion of the Euclidean plane. Our proposal builds upon recent contributions, expanding from the purely…

统计方法学 · 统计学 2024-08-21 Alejandro Villazón , Alfredo Alegría , Xavier Emery

In the near future, robots are expected to work with humans or operate alone and may replace human workers in various fields such as homes and factories. In a previous study, we proposed bilateral control-based imitation learning that…

机器人学 · 计算机科学 2022-02-14 Kazuki Hayashi , Ayumu Sasagawa , Sho Sakaino , Toshiaki Tsuji

Explosive growth in spatio-temporal data and its wide range of applications have attracted increasing interests of researchers in the statistical and machine learning fields. The spatio-temporal regression problem is of paramount importance…

机器学习 · 计算机科学 2020-09-15 Aniruddha Rajendra Rao , Qiyao Wang , Haiyan Wang , Hamed Khorasgani , Chetan Gupta

Neural networks and machine learning models for uncertainty quantification suffer from limited scalability and poor reliability compared to their deterministic counterparts. In industry-scale active learning settings, where generating a…

数值分析 · 数学 2026-02-12 Chanwook Park , Brian Kim , Jiachen Guo , Wing Kam Liu

The detection and classification of anomalies in gravitational wave data plays a critical role in improving the sensitivity of searches for signals of astrophysical origins. We present ABNORMAL (AI Based Nonstationarity Observer for…

广义相对论与量子宇宙学 · 物理学 2025-08-28 Yi-Yang Guo , Soumya D. Mohanty , Xie Qunying , Yu-Xiao Liu

Spatial models for occupancy data are used to estimate and map the true presence of a species, which may depend on biotic and abiotic factors as well as spatial autocorrelation. Traditionally researchers have accounted for spatial…

应用统计 · 统计学 2021-05-05 Narmadha M. Mohankumar , Trevor J. Hefley

Microscopic image segmentation is a challenging task, wherein the objective is to assign semantic labels to each pixel in a given microscopic image. While convolutional neural networks (CNNs) form the foundation of many existing frameworks,…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Mustansar Fiaz , Moein Heidari , Rao Muhammad Anwer , Hisham Cholakkal

Artificial Neural Networks (ANN) have gained significant popularity thanks to their ability to learn using the well-known backpropagation algorithm. Conversely, Spiking Neural Networks (SNNs), despite having broader capabilities than ANNs,…

神经与进化计算 · 计算机科学 2024-06-26 Sergio Davies , Andrew Gait , Andrew Rowley , Alessandro Di Nuovo

In this paper, we present a Stochastic Deep Neural Network-based Model Reference Adaptive Control. Building on our work "Deep Model Reference Adaptive Control", we extend the controller capability by using Bayesian deep neural networks…

系统与控制 · 电气工程与系统科学 2021-08-09 Girish Joshi , Girish Chowdhary

Recurrent neural networks (RNNs) are nonlinear dynamical models commonly used in the machine learning and dynamical systems literature to represent complex dynamical or sequential relationships between variables. More recently, as deep…

统计方法学 · 统计学 2018-02-08 Patrick L. McDermott , Christopher K. Wikle

We develop a novel Bayesian method to select important predictors in regression models with multiple responses of diverse types. A sparse Gaussian copula regression model is used to account for the multivariate dependencies between any…

统计方法学 · 统计学 2020-09-22 Angelos Alexopoulos , Leonardo Bottolo

This paper introduces an adaptive physics-guided neural network (APGNN) framework for predicting quality attributes from image data by integrating physical laws into deep learning models. The APGNN adaptively balances data-driven and…

统计方法学 · 统计学 2024-11-18 David Shulman , Itai Dattner