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Related papers: TPM: A GPS-based Trajectory Pattern Mining System

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Human trajectory anomaly detection has become increasingly important across a wide range of applications, including security surveillance and public health. However, existing trajectory anomaly detection methods are primarily focused on…

Machine Learning · Computer Science 2024-11-05 Yueyang Liu , Lance Kennedy , Hossein Amiri , Andreas Züfle

Nowadays, frequent pattern mining (FPM) on large graphs receives increasing attention, since it is crucial to a variety of applications, e.g., social analysis. Informally, the FPM problem is defined as finding all the patterns in a large…

Databases · Computer Science 2022-05-04 Xin Wang , Zhuo Lan , Yu-Ang He , Yang Wang , Zhi-Gui Liu , Wen-Bo Xie

Cellular Trajectory Map-Matching (CTMM) aims to align cellular location sequences to road networks, which is a necessary preprocessing in location-based services on web platforms like Google Maps, including navigation and route…

Artificial Intelligence · Computer Science 2025-08-12 Weijie Shi , Yue Cui , Hao Chen , Jiaming Li , Mengze Li , Jia Zhu , Jiajie Xu , Xiaofang Zhou

Digital twin (DT) technology is increasingly used in urban planning, leveraging real-time data integration for environmental monitoring. This paper presents an urban-focused DT that combines computational fluid dynamics simulations with…

Process discovery algorithms automatically extract process models from event logs, but high variability often results in complex and hard-to-understand models. To mitigate this issue, trace clustering techniques group process executions…

Machine Learning · Computer Science 2025-12-11 Jari Peeperkorn , Johannes De Smedt , Jochen De Weerdt

Precise trajectory prediction in complex driving scenarios is essential for autonomous vehicles. In practice, different driving scenarios present varying levels of difficulty for trajectory prediction models. However, most existing research…

Artificial Intelligence · Computer Science 2024-10-22 Zhezhang Ding , Huijing Zhao

Predicting future human motion is critical for intelligent robots to interact with humans in the real world, and human motion has the nature of multi-granularity. However, most of the existing work either implicitly modeled…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Xiaoli Liu , Jianqin Yin

A persistent challenge in the field of Intelligent Transportation Systems is to extract accurate traffic insights from geographic regions with scarce or no data coverage. To this end, we propose solutions for speed prediction using sparse…

Artificial Intelligence · Computer Science 2024-02-13 Sarah Almeida Carneiro , Giovanni Chierchia , Aurelie Pirayre , Laurent Najman

Pedestrian trajectory modelling in an urban complex is challenging because pedestrians can have many possible destinations, such as shops, escalators, and attractions. Moreover, weather and time-of-day may affect pedestrian behavior. In…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Ho Chun Wu , Esther Hoi Shan Lau , Paul Yuen , Kevin Hung , John Kwok Tai Chui , Andrew Kwok Fai Lui

Even though clustering trajectory data attracted considerable attention in the last few years, most of prior work assumed that moving objects can move freely in an euclidean space and did not consider the eventual presence of an underlying…

Machine Learning · Computer Science 2012-10-04 Mohamed Khalil El Mahrsi , Fabrice Rossi

Traffic prediction constitutes a pivotal facet within the purview of Intelligent Transportation Systems (ITS), and the attainment of highly precise predictions holds profound significance for efficacious traffic management. The precision of…

Machine Learning · Computer Science 2024-10-27 Yilong Ren , Yue Chen , Shuai Liu , Boyue Wang , Haiyang Yu , Zhiyong Cui

Spatiotemporal data mining aims to discover interesting, useful but non-trivial patterns in big spatial and spatiotemporal data. They are used in various application domains such as public safety, ecology, epidemiology, earth science, etc.…

Databases · Computer Science 2022-06-28 Arun Sharma , Zhe Jiang , Shashi Shekhar

Predicting trajectories of pedestrians is quintessential for autonomous robots which share the same environment with humans. In order to effectively and safely interact with humans, trajectory prediction needs to be both precise and…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Nishant Nikhil , Brendan Tran Morris

GPS trajectory data reveals valuable patterns of human mobility and urban dynamics, supporting a variety of spatial applications. However, traditional methods often struggle to extract deep semantic representations and incorporate…

Computers and Society · Computer Science 2025-06-23 Chunhou Ji , Qiumeng Li

Urban areas are intricate systems shaped by socioeconomic, environmental, and infrastructural factors, with land use patterns serving as aspects of urban morphology. This paper proposes a novel methodology leveraging frequent item set…

Databases · Computer Science 2026-04-16 Zdena Dobesova , Tai Dinh , Pavel Novak

Accurate pedestrian trajectory prediction is crucial for various applications, and it requires a deep understanding of pedestrian motion patterns in dynamic environments. However, existing pedestrian trajectory prediction methods still need…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Pranav Singh Chib , Pravendra Singh

With the rise of the Internet of Things, strategies for effectively processing big data are essential for discovering meaningul insights. The time series datasets produced by groups of interconnected devices contain valuable underlying…

Signal Processing · Electrical Eng. & Systems 2022-10-04 Turner Richmond , Namita Lokare , Qian Ge , Edgar Lobaton

Pedestrian detection is one of the most popular topics in computer vision and robotics. Considering challenging issues in multiple pedestrian detection, we present a real-time depth-based template matching people detector. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2016-10-05 Omid Hosseini jafari , Michael Ying Yang

Ubiquitous mobile devices are generating vast amounts of location-based service data that reveal how individuals navigate and utilize urban spaces in detail. In this study, we utilize these extensive, unlabeled sequences of user…

Machine Learning · Computer Science 2024-06-06 Xinhua Wu , Haoyu He , Yanchao Wang , Qi Wang

Reliable anticipation of pedestrian trajectory is imperative for the operation of autonomous vehicles and can significantly enhance the functionality of advanced driver assistance systems. While significant progress has been made in the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Olly Styles , Arun Ross , Victor Sanchez