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Missing value problem in spatiotemporal traffic data has long been a challenging topic, in particular for large-scale and high-dimensional data with complex missing mechanisms and diverse degrees of missingness. Recent studies based on…

机器学习 · 统计学 2021-06-15 Xinyu Chen , Yixian Chen , Nicolas Saunier , Lijun Sun

Imputation of random or non-random missing data is a long-standing research topic and a crucial application for Intelligent Transportation Systems (ITS). However, with the advent of modern communication technologies such as Global Satellite…

机器学习 · 计算机科学 2025-09-29 Yihang Lu , Mahwish Yousaf , Xianwei Meng , Enhong Chen

Consider traffic data (i.e., triplets in the form of source-destination-timestamp) that grow over time. Tensors (i.e., multi-dimensional arrays) with a time mode are widely used for modeling and analyzing such multi-aspect data streams. In…

机器学习 · 计算机科学 2021-03-03 Taehyung Kwon , Inkyu Park , Dongjin Lee , Kijung Shin

Spatiotemporal data is very common in many applications, such as manufacturing systems and transportation systems. It is typically difficult to be accurately predicted given intrinsic complex spatial and temporal correlations. Most of the…

机器学习 · 计算机科学 2020-04-24 Ziyue Li , Hao Yan , Chen Zhang , Fugee Tsung

Large-scale data missing is a challenging problem in Intelligent Transportation Systems (ITS). Many studies have been carried out to impute large-scale traffic data by considering their spatiotemporal correlations at a network level. In…

机器学习 · 计算机科学 2023-01-30 Kunpeng Zhang , Lan Wu , Liang Zheng , Na Xie , Zhengbing He

In this paper, we have proposed STC-GEF, a novel Spatio-Temporal Cross-platform Graph Embedding Fusion approach for the urban traffic flow prediction. We have designed a spatial embedding module based on graph convolutional networks (GCN)…

机器学习 · 计算机科学 2022-08-23 Mahan Tabatabaie , James Maniscalco , Connor Lynch , Suining He

Traffic violations like illegal parking, illegal turning, and speeding have become one of the greatest challenges in urban transportation systems, bringing potential risks of traffic congestions, vehicle accidents, and parking difficulties.…

计算机与社会 · 计算机科学 2020-08-24 Zhihan Jiang , Longbiao Chen , Binbin Zhou , Jinchun Huang , Tianqi Xie , Xiaoliang Fan , Cheng Wang

Traffic forecasting has emerged as a crucial research area in the development of smart cities. Although various neural networks with intricate architectures have been developed to address this problem, they still face two key challenges: i)…

机器学习 · 计算机科学 2024-08-27 Jianxiang Zhou , Erdong Liu , Wei Chen , Siru Zhong , Yuxuan Liang

Mobile traffic data in urban regions shows differentiated patterns during different hours of the day. The exploitation of these patterns enables highly accurate mobile traffic prediction for proactive network management. However, recent…

In recent years, low-rank based tensor completion, which is a higher-order extension of matrix completion, has received considerable attention. However, the low-rank assumption is not sufficient for the recovery of visual data, such as…

计算机视觉与模式识别 · 计算机科学 2016-09-21 Tatsuya Yokota , Qibin Zhao , Andrzej Cichocki

Urban traffic flow prediction using data-driven models can play an important role in route planning and preventing congestion on highways. These methods utilize data collected from traffic recording stations at different timestamps to…

机器学习 · 计算机科学 2022-04-22 Mehdi Mehdipour Ghazi , Amin Ramezani , Mehdi Siahi , Mostafa Mehdipour Ghazi

Missing data is an inevitable and ubiquitous problem for traffic data collection in intelligent transportation systems. Despite extensive research regarding traffic data imputation, there still exist two limitations to be addressed: first,…

机器学习 · 计算机科学 2022-09-02 Yuebing Liang , Zhan Zhao , Lijun Sun

Dimension reduction techniques are often used when the high-dimensional tensor has relatively low intrinsic rank compared to the ambient dimension of the tensor. The CANDECOMP/PARAFAC (CP) tensor completion is a widely used approach to find…

数值分析 · 数学 2021-04-01 Jiahua Jiang , Fatoumata Sanogo , Carmeliza Navasca

Predicting traffic conditions has been recently explored as a way to relieve traffic congestion. Several pioneering approaches have been proposed based on traffic observations of the target location as well as its adjacent regions, but they…

人工智能 · 计算机科学 2023-08-22 Xingyi Cheng , Ruiqing Zhang , Jie Zhou , Wei Xu

Urban traffic forecasting is a commonly encountered problem, with wide-ranging applications in fields such as urban planning, civil engineering and transport. In this paper, we study the enhancement of traffic forecasting with pre-training,…

机器学习 · 计算机科学 2025-03-20 Matthew Low , Arian Prabowo , Hao Xue , Flora Salim

Accurate and reliable prediction has profound implications to a wide range of applications. In this study, we focus on an instance of spatio-temporal learning problem--traffic prediction--to demonstrate an advanced deep learning model…

机器学习 · 计算机科学 2024-08-27 Pingping Dong , Xiao-Lin Wang , Indranil Bose , Kam K. H. Ng , Xiaoning Zhang , Xiaoge Zhang

Traffic flow prediction is a big challenge for transportation authorities as it helps plan and develop better infrastructure. State-of-the-art models often struggle to consider the data in the best way possible, as well as intrinsic…

机器学习 · 计算机科学 2024-10-04 Mayur Patil , Qadeer Ahmed , Shawn Midlam-Mohler

Real-time network traffic forecasting is crucial for network management and early resource allocation. Existing network traffic forecasting approaches operate under the assumption that the network traffic data is fully observed. However, in…

网络与互联网体系结构 · 计算机科学 2025-06-12 Lei Deng , Wenhan Xu , Jingwei Li , Danny H. K. Tsang

Accurate spatiotemporal pattern analysis is critical in fields such as urban traffic, meteorology, and public health monitoring. However, existing methods face performance bottlenecks, typically yielding only incremental gains and often…

机器学习 · 计算机科学 2026-05-20 Jing Chen , Shixiang Pan , Yujie Fan , Haocheng Ye , Haitao Xu , Wenqiang Xu

As an important information for traffic condition evaluation, trip planning, transportation management, etc., average travel speed for a road means the average speed of vehicles travelling through this road in a given time duration.…

其他计算机科学 · 计算机科学 2015-04-27 Lu Shao , Cheng Wang , Changjun Jiang