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Agent-based modelling is a valuable approach for systems whose behaviour is driven by the interactions between distinct entities. They have shown particular promise as a means of modelling crowds of people in streets, public transport…

多智能体系统 · 计算机科学 2020-04-30 Nick Malleson , Kevin Minors , Le-Minh Kieu , Jonathan A. Ward , Andrew A. West , Alison Heppenstall

With the emergence of the Internet of things (IoT), human life is now progressing towards smartification faster than ever before. Thus, smart cities become automated in different aspects such as business, education, economy, medicine, and…

Modeling and simulation approaches that express crowd movement with mathematical models are widely and actively studied to understand crowd movement and resolve crowd accidents. Existing literature on crowd modeling focuses on only the…

多智能体系统 · 计算机科学 2023-02-27 Ryo Nishida , Masaki Onishi , Koichi Hashimoto

The performance of supervised deep learning algorithms depends significantly on the scale, quality and diversity of the data used for their training. Collecting and manually annotating large amount of data can be both time-consuming and…

计算机视觉与模式识别 · 计算机科学 2021-07-02 C. Symeonidis , P. Nousi , P. Tosidis , K. Tsampazis , N. Passalis , A. Tefas , N. Nikolaidis

Unmanned Aerial Vehicle (UAV) has gained significant traction in the recent years, particularly the context of surveillance. However, video datasets that capture violent and non-violent human activity from aerial point-of-view is scarce. To…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Mahieyin Rahmun , Tonmoay Deb , Shahriar Ali Bijoy , Mayamin Hamid Raha

Data credibility is a crucial issue in mobile crowd sensing (MCS) and, more generally, people-centric Internet of Things (IoT). Prior work takes approaches such as incentive mechanism design and data mining to address this issue, while…

人机交互 · 计算机科学 2017-09-13 Tie Luo , Leonit Zeynalvand

Multiple people tracking is a key problem for many applications such as surveillance, animation or car navigation, and a key input for tasks such as activity recognition. In crowded environments occlusions and false detections are common,…

计算机视觉与模式识别 · 计算机科学 2016-12-01 Laura Leal-Taixé

Currently, the safety of people has become a very important problem in different places including subway station, universities, colleges, airport, shopping mall and square, city squares. Therefore, considering intelligence event detection…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Constantinou Miti , Demetriou Zatte , Siraj Sajid Gondal

Tracking-by-detection has become the de facto standard approach to people tracking. To increase robustness, some approaches incorporate re-identification using appearance models and regressing motion offset, which requires costly identity…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Martin Engilberge , F. Wilke Grosche , Pascal Fua

This paper proposes a space-time multi-scale attention network (STANet) to solve density map estimation, localization and tracking in dense crowds of video clips captured by drones with arbitrary crowd density, perspective, and flight…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Longyin Wen , Dawei Du , Pengfei Zhu , Qinghua Hu , Qilong Wang , Liefeng Bo , Siwei Lyu

Detecting and tracking vehicles in urban scenes is a crucial step in many traffic-related applications as it helps to improve road user safety among other benefits. Various challenges remain unresolved in multi-object tracking (MOT)…

Crowd sensing is a new paradigm which leverages the pervasive smartphones to efficiently collect and upload sensing data, enabling numerous novel applications. To achieve good service quality for a crowd sensing application, incentive…

网络与互联网体系结构 · 计算机科学 2014-12-25 Jiajun Sun

With the rapid development of deep learning, object detection and tracking play a vital role in today's society. Being able to identify and track all the pedestrians in the dense crowd scene with computer vision approaches is a typical…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Yu Zhang , Huaming Chen , Wei Bao , Zhongzheng Lai , Zao Zhang , Dong Yuan

Security is an important topic in our contemporary world, and the ability to automate the detection of any events of interest that can take place in a crowd is of great interest to a population. We hypothesize that the detection of events…

Nowadays, massive urban human mobility data are being generated from mobile phones, car navigation systems, and traffic sensors. Predicting the density and flow of the crowd or traffic at a citywide level becomes possible by using the big…

机器学习 · 计算机科学 2019-11-19 Renhe Jiang , Zekun Cai , Zhaonan Wang , Chuang Yang , Zipei Fan , Xuan Song , Kota Tsubouchi , Ryosuke Shibasaki

Nowadays, crowd sensing becomes increasingly more popular due to the ubiquitous usage of mobile devices. However, the quality of such human-generated sensory data varies significantly among different users. To better utilize sensory data,…

密码学与安全 · 计算机科学 2018-10-12 Yaliang Li , Houping Xiao , Zhan Qin , Chenglin Miao , Lu Su , Jing Gao , Kui Ren , Bolin Ding

Autonomous navigation in highly populated areas remains a challenging task for robots because of the difficulty in guaranteeing safe interactions with pedestrians in unstructured situations. In this work, we present a crowd navigation…

机器人学 · 计算机科学 2022-08-04 Diego Paez-Granados , Yujie He , David Gonon , Dan Jia , Bastian Leibe , Kenji Suzuki , Aude Billard

Forecasting human activities observed in videos is a long-standing challenge in computer vision, which leads to various real-world applications such as mobile robots, autonomous driving, and assistive systems. In this work, we present a new…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Hiroaki Minoura , Ryo Yonetani , Mai Nishimura , Yoshitaka Ushiku

Drone-based crowd monitoring is the key technology for applications in surveillance, public safety, and event management. However, maintaining tracking continuity and consistency remains a significant challenge. Traditional…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Bartosz Ptak , Marek Kraft

Crowd analysis and management is a challenging problem to ensure public safety and security. For this purpose, many techniques have been proposed to cope with various problems. However, the generalization capabilities of these techniques is…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Tauseef Ali , Ahmed B. Altamimi