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Datacenters provide cost-effective and flexible access to scalable compute and storage resources necessary for today's cloud computing needs. A typical datacenter is made up of thousands of servers connected with a large network and usually…

Networking and Internet Architecture · Computer Science 2018-05-24 Mohammad Noormohammadpour , Cauligi S. Raghavendra

Vehicular Ad-hoc NETworks (VANET) can efficiently detect traffic congestion, but detection is not enough because congestion can be further classified as recurrent and non-recurrent congestion (NRC). In particular, NRC in an urban network is…

Machine Learning · Computer Science 2020-12-07 Al Mallah Ranwa , Farooq Bilal , Quintero Alejandro

Reliable traffic data are essential for understanding urban mobility and developing effective traffic management strategies. This study introduces the DRone-derived Intelligence For Traffic analysis (DRIFT) dataset, a large-scale urban…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Hyejin Lee , Seokjun Hong , Jeonghoon Song , Haechan Cho , Zhixiong Jin , Byeonghun Kim , Joobin Jin , Jaegyun Im , Byeongjoon Noh , Hwasoo Yeo

Long-separated research has been conducted on two highly correlated tracks: traffic and incidents. Traffic track witnesses complicating deep learning models, e.g., to push the prediction a few percent more accurate, and the incident track…

Machine Learning · Computer Science 2026-03-17 Xiaochuan Gou , Ziyue Li , Tian Lan , Junpeng Lin , Zhishuai Li , Bingyu Zhao , Chen Zhang , Di Wang , Xiangliang Zhang

Smart cities are increasingly adopting data-centric architectures to enhance the efficiency, sustainability, and resilience of urban services.

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-29 Dimitrios Amaxilatis , Themistoklis Sarantakos , Nikolaos Tsironis , Souvik Sengupta , Kostas Ramantas , Jhofre Ojeda

In recent years, traffic flow prediction has played a crucial role in the management of intelligent transportation systems. However, traditional prediction methods are often limited by static spatial modeling, making it difficult to…

Machine Learning · Computer Science 2025-01-09 Mei Wu , Wenchao Weng , Jun Li , Yiqian Lin , Jing Chen , Dewen Seng

Making accurate motion prediction of the surrounding traffic agents such as pedestrians, vehicles, and cyclists is crucial for autonomous driving. Recent data-driven motion prediction methods have attempted to learn to directly regress the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Liangji Fang , Qinhong Jiang , Jianping Shi , Bolei Zhou

This is the preprint version of our paper on The 23rd International Conference on Geoinformatics (Geoinformatics2015). City traffic data has several characteristics, such as large scale, diverse predictable and real-time, which falls in the…

Other Computer Science · Computer Science 2015-07-30 Xiaoming Li , Zhihan Lv , Weixi Wang , Chen Wu , Jinxing Hu

Semantic segmentation of city-scale point clouds is a critical technology for Unmanned Aerial Vehicle (UAV) perception systems, enabling the classification of 3D points without relying on any visual information to achieve comprehensive 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Jialei Xu , Zizhuang Wei , Weikang You , Linyun Li , Weijian Sun

This paper presents an interactive bathtub model for describing the traffic dynamics of ride-sourcing vehicles including non-shared taxis and ride-pooling cars. A city with a network of undifferentiated streets and solely served by…

Optimization and Control · Mathematics 2020-07-20 Wenbo Fan

Traffic management systems capture tremendous video data and leverage advances in video processing to detect and monitor traffic incidents. The collected data are traditionally forwarded to the traffic management center (TMC) for in-depth…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Guanxiong Liu , Hang Shi , Abbas Kiani , Abdallah Khreishah , Jo Young Lee , Nirwan Ansari , Chengjun Liu , Mustafa Yousef

The ubiquitous use of IoT and machine learning applications is creating large amounts of data that require accurate and real-time processing. Although edge-based smart data processing can be enabled by deploying pretrained models, the…

Machine Learning · Computer Science 2021-09-15 Yinghan Long , Indranil Chakraborty , Gopalakrishnan Srinivasan , Kaushik Roy

The growth of mobile sensor technologies have made it possible for city councils to understand peoples' behaviour in urban spaces which could help to reduce stress around the city. We present a quantitative approach to convey a collective…

Human-Computer Interaction · Computer Science 2020-07-07 Thomas Johnson , Eiman Kanjo , Kieran Woodward

Current deep neural networks (DNNs) for autonomous driving computer vision are typically trained on specific datasets that only involve a single type of data and urban scenes. Consequently, these models struggle to handle new objects,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Gianni Franchi , Marwane Hariat , Xuanlong Yu , Nacim Belkhir , Antoine Manzanera , David Filliat

Trees inside cities are important for the urban microclimate, contributing positively to the physical and mental health of the urban dwellers. Despite their importance, often only limited information about city trees is available. Therefore…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Hui Zhang , Ankit Kariryaa , Venkanna Babu Guthula , Christian Igel , Stefan Oehmcke

This paper describes our UNet based deep convolutional neural network approach on the Traffic4cast challenge 2019. Challenges task is to predict future traffic flow volume, heading and speed on high resolution whole city map. We used UNet…

Machine Learning · Computer Science 2019-12-12 Sungbin Choi

We survey recent advances in algorithms for route planning in transportation networks. For road networks, we show that one can compute driving directions in milliseconds or less even at continental scale. A variety of techniques provide…

Data Structures and Algorithms · Computer Science 2015-04-21 Hannah Bast , Daniel Delling , Andrew Goldberg , Matthias Müller-Hannemann , Thomas Pajor , Peter Sanders , Dorothea Wagner , Renato F. Werneck

Traffic prediction aims to forecast future traffic conditions using historical traffic data, serving a crucial role in urban computing and transportation management. While transfer learning and federated learning have been employed to…

Machine Learning · Computer Science 2026-02-03 Zhihao Zeng , Ziquan Fang , Yuting Huang , Lu Chen , Yunjun Gao

Traffic speed prediction is the key to many valuable applications, and it is also a challenging task because of its various influencing factors. Recent work attempts to obtain more information through various hybrid models, thereby…

Machine Learning · Computer Science 2022-07-25 Pengyu Fu , Liang Chu , Zhuoran Hou , Jincheng Hu , Yanjun Huang , Yuanjian Zhang

Urban systems are typical examples of complex systems, where the integration of physics-based modeling with artificial intelligence (AI) presents a promising paradigm for enhancing predictive accuracy, interpretability, and decision-making.…

Physics and Society · Physics 2025-06-18 En Xu , Huandong Wang , Yunke Zhang , Sibo Li , Yinzhou Tang , Zhilun Zhou , Yuming Lin , Yuan Yuan , Xiaochen Fan , Jingtao Ding , Yong Li