中文
相关论文

相关论文: ST-GRAT: A Novel Spatio-temporal Graph Attention N…

200 篇论文

Traffic forecasting is important in intelligent transportation systems of webs and beneficial to traffic safety, yet is very challenging because of the complex and dynamic spatio-temporal dependencies in real-world traffic systems. Prior…

机器学习 · 计算机科学 2021-12-07 Yuchen Fang , Yanjun Qin , Haiyong Luo , Fang Zhao , Liang Zeng , Bo Hui , Chenxing Wang

Graph neural networks (GNN) have shown significant capabilities in handling structured data, yet their application to dynamic, temporal data remains limited. This paper presents a new type of graph attention network, called TempoKGAT, which…

机器学习 · 计算机科学 2024-12-24 Lena Sasal , Daniel Busby , Abdenour Hadid

An effective understanding of the environment and accurate trajectory prediction of surrounding dynamic obstacles are indispensable for intelligent mobile systems (e.g. autonomous vehicles and social robots) to achieve safe and high-quality…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Jiachen Li , Hengbo Ma , Zhihao Zhang , Jinning Li , Masayoshi Tomizuka

Detectors with high coverage have direct and far-reaching benefits for road users in route planning and avoiding traffic congestion, but utilizing these data presents unique challenges including: the dynamic temporal correlation, and the…

计算机视觉与模式识别 · 计算机科学 2021-11-02 He Li , Shiyu Zhang , Xuejiao Li , Liangcai Su , Hongjie Huang , Duo Jin , Linghao Chen , Jianbing Huang , Jaesoo Yoo

Efficient and accurate incident prediction in spatio-temporal systems is critical to minimize service downtime and optimize performance. This work aims to utilize historic data to predict and diagnose incidents using spatio-temporal…

机器学习 · 计算机科学 2022-06-14 Shreshth Tuli , Matthew R. Wilkinson , Chris Kettell

Traffic forecasting has emerged as a core component of intelligent transportation systems. However, timely accurate traffic forecasting, especially long-term forecasting, still remains an open challenge due to the highly nonlinear and…

信号处理 · 电气工程与系统科学 2021-03-30 Mingxing Xu , Wenrui Dai , Chunmiao Liu , Xing Gao , Weiyao Lin , Guo-Jun Qi , Hongkai Xiong

Accurate traffic flow prediction heavily relies on the spatio-temporal correlation of traffic flow data. Most current studies separately capture correlations in spatial and temporal dimensions, making it difficult to capture complex…

机器学习 · 计算机科学 2025-01-03 Ben-Ao Dai , Nengchao Lyu , Yongchao Miao

Traffic speed prediction is significant for intelligent navigation and congestion alleviation. However, making accurate predictions is challenging due to three factors: 1) traffic diffusion, i.e., the spatial and temporal causality existing…

机器学习 · 计算机科学 2024-04-23 Yi Rong , Yingchi Mao , Yinqiu Liu , Ling Chen , Xiaoming He , Dusit Niyato

Traffic flow prediction plays a crucial role in alleviating traffic congestion and enhancing transport efficiency. While combining graph convolution networks with recurrent neural networks for spatial-temporal modeling is a common strategy…

机器学习 · 计算机科学 2024-01-10 Haiyang Liu , Chunjiang Zhu , Detian Zhang

Spatial-temporal forecasting has attracted tremendous attention in a wide range of applications, and traffic flow prediction is a canonical and typical example. The complex and long-range spatial-temporal correlations of traffic flow bring…

机器学习 · 计算机科学 2021-06-25 Zheng Fang , Qingqing Long , Guojie Song , Kunqing Xie

Dynamic demand prediction is crucial for the efficient operation and management of urban transportation systems. Extensive research has been conducted on single-mode demand prediction, ignoring the fact that the demands for different…

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

Accident prediction and timely preventive actions improve road safety by reducing the risk of injury to road users and minimizing property damage. Hence, they are critical components of advanced driver assistance systems (ADAS) and…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Vipooshan Vipulananthan , Kumudu Mohottala , Kavindu Chinthana , Nimsara Paramulla , Charith D Chitraranjan

Accurate Traffic Prediction is a challenging task in intelligent transportation due to the spatial-temporal aspects of road networks. The traffic of a road network can be affected by long-distance or long-term dependencies where existing…

机器学习 · 计算机科学 2024-04-10 Zhengyang Zhao , Haitao Yuan , Nan Jiang , Minxiao Chen , Ning Liu , Zengxiang Li

Traffic forecasting is an important issue in intelligent traffic systems (ITS). Graph neural networks (GNNs) are effective deep learning models to capture the complex spatio-temporal dependency of traffic data, achieving ideal prediction…

机器学习 · 计算机科学 2023-05-03 Weiheng Zhong , Hadi Meidani , Jane Macfarlane

Safe and efficient navigation in dynamic environments shared with humans remains an open and challenging task for mobile robots. Previous works have shown the efficacy of using reinforcement learning frameworks to train policies for…

机器人学 · 计算机科学 2024-01-15 Yanying Zhou , Jochen Garcke

We study the problem of traffic forecasting, aiming to predict the inflow and outflow of a region in the subsequent time slot. The problem is complex due to the intricate spatial and temporal interdependence among regions. Prior works study…

人工智能 · 计算机科学 2025-11-12 Zheng Chenghong , Zongyin Deng , Liu Cheng , Xiong Simin , Di Deshi , Li Guanyao

Accurate demand forecasting is critical for enhancing the efficiency and responsiveness of food delivery platforms, where spatial heterogeneity and temporal fluctuations in order volumes directly influence operational decisions. This paper…

机器学习 · 计算机科学 2025-07-22 Rabia Latief Bhat , Iqra Altaf Gillani

Multimodal time series (MTS) anomaly detection is crucial for maintaining the safety and stability of working devices (e.g., water treatment system and spacecraft), whose data are characterized by multivariate time series with diverse…

机器学习 · 计算机科学 2023-10-18 Chaoyue Ding , Shiliang Sun , Jing Zhao

As the most representative scenario of spatial-temporal forecasting tasks, the traffic forecasting task attracted numerous attention from machine learning community due to its intricate correlation both in space and time dimension. Existing…

机器学习 · 计算机科学 2024-09-16 Xinyu Ning

Accurate traffic forecasting is challenging due to the complex dependency on road networks, various types of roads, and the abrupt speed change due to the events. Recent works mainly focus on dynamic spatial modeling with adaptive graph…

机器学习 · 计算机科学 2024-03-06 Hyunwook Lee , Sungahn Ko