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Fitting Gaussian Processes (GPs) provides interpretable aleatoric uncertainty quantification for estimation of spatio-temporal fields. Spatio-temporal deep learning models, while scalable, typically assume a simplistic independent…

Stream networks, a unique class of spatiotemporal graphs, exhibit complex directional flow constraints and evolving dependencies, making uncertainty quantification a critical yet challenging task. Traditional conformal prediction methods…

机器学习 · 统计学 2025-11-11 Jifan Zhang , Fangxin Wang , Zihe Song , Philip S. Yu , Kaize Ding , Shixiang Zhu

Traffic data exhibits complex temporal, spatial, and spatial-temporal correlations. Most of models use either independent modules to separately extract temporal and spatial correlations or joint modules to synchronously extract them,…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Kai Hu , Zhidan Zhao , Zhifeng Hao

Data-driven soft sensors have been widely applied in complex industrial processes. However, the interpretable spatio-temporal features extraction by soft sensors remains a challenge. In this light, this work introduces a novel method termed…

系统与控制 · 电气工程与系统科学 2025-11-04 Qianchao Wang , Peng Sha , Leena Heistrene , Yuxuan Ding , Yaping Du

Traffic data imputation is fundamentally important to support various applications in intelligent transportation systems such as traffic flow prediction. However, existing time-to-space sequential methods often fail to effectively extract…

机器学习 · 计算机科学 2025-06-12 Yiming Wang , Hao Peng , Senzhang Wang , Haohua Du , Chunyang Liu , Jia Wu , Guanlin Wu

Constructing valid and informative conformal prediction regions for multi-dimensional outputs remains a fundamental challenge. While conformal prediction provides finite-sample, distribution-free coverage guarantees, its practical…

机器学习 · 统计学 2026-05-11 Zhenhan Fang , Aixin Tan , Jian Huang

While analytical solutions of critical (phase) transitions in physical systems are abundant for simple nonlinear systems, such analysis remains intractable for real-life dynamical systems. A key example of such a physical system is…

The {\it straight-through estimator} (STE) is commonly used to optimize quantized neural networks, yet its contexts of effective performance are still unclear despite empirical successes.To make a step forward in this comprehension, we…

机器学习 · 计算机科学 2024-06-26 Mimoun Mohamed , François Malgouyres , Valentin Emiya , Caroline Chaux

We propose STANE (Shared and Time-specific Adaptive Network Embedding), a new joint embedding framework for dynamic networks that captures both stable global structures and localized temporal variations. To further improve the model's…

统计方法学 · 统计学 2025-10-21 Hairi Bai , Xinyan Fan , Kuangnan Fang , Yan Zhang

With the rapid development of the Intelligent Transportation System (ITS), accurate traffic forecasting has emerged as a critical challenge. The key bottleneck lies in capturing the intricate spatio-temporal traffic patterns. In recent…

机器学习 · 计算机科学 2023-10-10 Hangchen Liu , Zheng Dong , Renhe Jiang , Jiewen Deng , Jinliang Deng , Quanjun Chen , Xuan Song

Large-scale precision matrix estimation is of fundamental importance yet challenging in many contemporary applications for recovering Gaussian graphical models. In this paper, we suggest a new approach of innovated scalable efficient…

统计方法学 · 统计学 2016-05-12 Yingying Fan , Jinchi Lv

The Milestoning method has achieved great success in the calculation of equilibrium kinetic properties such as rate constants from molecular dynamics simulations. The goal of this work is to advance Milestoning into the realm of…

统计力学 · 物理学 2015-11-03 Gianmarc Grazioli , Ioan Andricioaei

Static code analysis is a powerful approach to detect quality deficiencies such as performance bottlenecks, safety violations or security vulnerabilities already during a software system's implementation. Yet, as current software systems…

软件工程 · 计算机科学 2017-10-23 Eric Bodden

Fluorescence spectroscopy is an image correlation technique to analyze and characterize the molecular dynamics from a sequence of fluorescence images. Many image correlation techniques have been developed for different applications [1]. But…

定量方法 · 定量生物学 2017-10-24 C. Chen , P. Paul-Gilloteaux , T. Vignaud , J. Salamero , F. Waharte

To improve the reliability and interpretability of industrial process monitoring, this article proposes a Causal Graph Spatial-Temporal Autoencoder (CGSTAE). The network architecture of CGSTAE combines two components: a correlation graph…

机器学习 · 计算机科学 2026-05-21 Xiangrui Zhang

Recent studies have shown that autoencoder-based models can achieve superior performance on anomaly detection tasks due to their excellent ability to fit complex data in an unsupervised manner. In this work, we propose a novel…

机器学习 · 计算机科学 2022-09-20 Wenkai Li , Wenbo Hu , Ting Chen , Ning Chen , Cheng Feng

With the rapid development of location based services, multimodal spatio-temporal (ST) data including trajectories, transportation modes, traffic flow and social check-ins are being collected for deep learning based methods. These deep…

机器学习 · 计算机科学 2024-07-24 Chenxing Wang

Optimization-based state estimation is useful for nonlinear or constrained dynamic systems for which few general methods with established properties are available. The two fundamental forms are moving horizon estimation (MHE) which uses the…

最优化与控制 · 数学 2017-09-27 Wuhua Hu

Objects are composed of a set of geometrically organized parts. We introduce an unsupervised capsule autoencoder (SCAE), which explicitly uses geometric relationships between parts to reason about objects. Since these relationships do not…

机器学习 · 统计学 2019-12-03 Adam R. Kosiorek , Sara Sabour , Yee Whye Teh , Geoffrey E. Hinton

Time-to-Contact (TTC) estimation is a critical task for assessing collision risk and is widely used in various driver assistance and autonomous driving systems. The past few decades have witnessed development of related theories and…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Yuheng Shi , Zehao Huang , Yan Yan , Naiyan Wang , Xiaojie Guo
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