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In the field of autonomous systems, accurately predicting the trajectories of nearby vehicles and pedestrians is crucial for ensuring both safety and operational efficiency. This paper introduces a novel methodology for trajectory…

机器人学 · 计算机科学 2024-08-26 Yu Zhang , Yongxiang Zou , Haoyu Zhang , Zeyu Liu , Houcheng Li , Long Cheng

We present a compact data structure to represent both the duration and length of homogeneous segments of trajectories from moving objects in a way that, as a data warehouse, it allows us to efficiently answer cumulative queries. The…

数据结构与算法 · 计算机科学 2020-03-02 Nieves R. Brisaboa , Antonio Fariña , Gonzalo Navarro , Tirso V. Rodeiro

The abilities to understand the social interaction behaviors between a vehicle and its surroundings while predicting its trajectory in an urban environment are critical for road safety in autonomous driving. Social interactions are hard to…

人工智能 · 计算机科学 2023-08-09 Amina Ghoul , Itheri Yahiaoui , Anne Verroust-Blondet , Fawzi Nashashibi

The recent advancement of autonomous agents powered by Large Language Models (LLMs) has demonstrated significant potential for automating tasks on mobile devices through graphical user interfaces (GUIs). Despite initial progress, these…

人机交互 · 计算机科学 2025-07-30 Yi Kong , Dianxi Shi , Guoli Yang , Zhang ke-di , Chenlin Huang , Xiaopeng Li , Songchang Jin

Transportation mode recognition (TMR) is a critical component of human activity recognition (HAR) that focuses on understanding and identifying how people move within transportation systems. It is commonly based on leveraging inertial,…

信号处理 · 电气工程与系统科学 2024-04-26 Christos Siargkas , Vasileios Papapanagiotou , Anastasios Delopoulos

We present TrueRMA, a data-efficient, model-free method to learn cost-optimized robot trajectories over a wide range of starting points and endpoints. The key idea is to calculate trajectory waypoints in Cartesian space by recursively…

机器人学 · 计算机科学 2020-06-08 Jonas C. Kiemel , Pascal Meißner , Torsten Kröger

Mimicking human ability to forecast future positions or interpret complex interactions in urban scenarios, such as streets, shopping malls or squares, is essential to develop socially compliant robots or self-driving cars. Autonomous…

计算机视觉与模式识别 · 计算机科学 2019-09-20 Matteo Lisotto , Pasquale Coscia , Lamberto Ballan

Trajectory modeling refers to characterizing human movement behavior, serving as a pivotal step in understanding mobility patterns. Nevertheless, existing studies typically ignore the confounding effects of geospatial context, leading to…

机器学习 · 计算机科学 2024-04-23 Kang Luo , Yuanshao Zhu , Wei Chen , Kun Wang , Zhengyang Zhou , Sijie Ruan , Yuxuan Liang

Accurate human trajectory prediction is crucial for robotics navigation and autonomous driving. Recent research has demonstrated that incorporating goal guidance significantly enhances prediction accuracy by reducing uncertainty and…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Ge Sun , Jun Ma

Achieving both high accuracy and topological continuity in road segmentation from satellite imagery is a critical goal for applications ranging from urban planning to disaster response. State-of-the-art methods often rely on Vision…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Jules Decaestecker , Nicolas Vigne

Predicting the trajectory of pedestrians in crowd scenarios is indispensable in self-driving or autonomous mobile robot field because estimating the future locations of pedestrians around is beneficial for policy decision to avoid…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Yuehai Chen

It is still a challenging topic to make reactive driving behaviors in complex urban environments as road users' intentions are unknown. Model-based reinforcement learning (MBRL) offers great potential to learn a reactive policy by…

机器人学 · 计算机科学 2025-01-29 Yinfeng Gao , Qichao Zhang , Da-wei Ding , Dongbin Zhao

Understanding human mobility patterns is essential for various applications, from urban planning to public safety. The individual trajectory such as mobile phone location data, while rich in spatio-temporal information, often lacks semantic…

人工智能 · 计算机科学 2024-05-31 Yuxiao Luo , Zhongcai Cao , Xin Jin , Kang Liu , Ling Yin

Representing the trajectories of mobile objects is a hot topic from the widespread use of smartphones and other GPS devices. However, few works have focused on representing trips over public transportation networks (buses, subway, and…

数据结构与算法 · 计算机科学 2019-11-21 Nieves R. Brisaboa , Antonio Fariña , Daniil Galaktionov , Tirso V. Rodeiro , M. Andrea Rodríguez

A large amount of data resulting from trajectories of moving objects activities are collected thanks to localization based services and some associated automated processes. Trajectories data can be used either for transactional and analysis…

数据库 · 计算机科学 2011-02-23 Wided Oueslati , Jalel Akaichi

In Part I of this companion paper series, we introduced SWIFTraj, a new open-source vehicle trajectory dataset collected using a unmanned aerial vehicle (UAV) swarm. The dataset has two distinctive features. First, by connecting…

物理与社会 · 物理学 2026-04-28 Xinkai Ji , Pan Liu , Ying Yang , Yu Han

Trajectory and intention prediction of traffic participants is an important task in automated driving and crucial for safe interaction with the environment. In this paper, we present a new approach to vehicle trajectory prediction based on…

计算机视觉与模式识别 · 计算机科学 2018-06-15 Jannik Quehl , Haohao Hu , Sascha Wirges , Martin Lauer

Multi-agent path planning (MAPP) in continuous spaces is a challenging problem with significant practical importance. One promising approach is to first construct graphs approximating the spaces, called roadmaps, and then apply multi-agent…

多智能体系统 · 计算机科学 2022-01-25 Keisuke Okumura , Ryo Yonetani , Mai Nishimura , Asako Kanezaki

Human activity recognition (HAR) from inertial sensors is essential for ubiquitous computing, mobile health, and ambient intelligence. Conventional deep models such as Convolutional Neural Networks (CNNs), Recurrent Neural Networks (RNNs),…

人机交互 · 计算机科学 2025-11-27 Thai-Khanh Nguyen , Uyen Vo , Tan M. Nguyen , Thieu N. Vo , Trung-Hieu Le , Cuong Pham

Driving scenario data play an increasingly vital role in the development of intelligent vehicles and autonomous driving. Accurate and efficient scenario data search is critical for both online vehicle decision-making and planning, and…

机器人学 · 计算机科学 2025-04-08 Cheng Chang , Jingwei Ge , Jiazhe Guo , Zelin Guo , Binghong Jiang , Li Li