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In this paper, we present a data-driven approach to generate realistic steering behaviors for virtual crowds in crowd simulation. We take advantage of both rule-based models and data-driven models by applying the interaction patterns…

Graphics · Computer Science 2015-10-30 Mingbi Zhao

Studies on microscopic pedestrian requires large amounts of trajectory data from real-world pedestrian crowds. Such data collection, if done manually, needs tremendous effort and is very time consuming. Though many studies have asserted the…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 Saman Saadat , Kardi Teknomo

Future Event Prediction (FEP) is an essential activity whose demand and application range across multiple domains. While traditional methods like simulations, predictive and time-series forecasting have demonstrated promising outcomes,…

Machine Learning · Computer Science 2025-02-13 Anisha Saha , Adam Jatowt

As the population of world is increasing, and even more concentrated in urban areas, ensuring public safety is becoming a taunting job for security personnel and crowd managers. Mass events like sports, festivals, concerts, political…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Sultan Daud Khan , Muhammad Saqib , Michael Blumenstein

We propose a simple yet effective proposal-based object detector, aiming at detecting highly-overlapped instances in crowded scenes. The key of our approach is to let each proposal predict a set of correlated instances rather than a single…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Xuangeng Chu , Anlin Zheng , Xiangyu Zhang , Jian Sun

In this paper, we propose a new query-based detection framework for crowd detection. Previous query-based detectors suffer from two drawbacks: first, multiple predictions will be inferred for a single object, typically in crowded scenes;…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Anlin Zheng , Yuang Zhang , Xiangyu Zhang , Xiaojuan Qi , Jian Sun

Growing apprehensions surrounding public safety have captured the attention of numerous governments and security agencies across the globe. These entities are increasingly acknowledging the imperative need for reliable and secure…

Human-Computer Interaction · Computer Science 2023-08-09 Mohammed Ameen , Richard Stone

An increasing number of virtual reality applications require environments that emulate real-world conditions. These environments often involve dynamic virtual humans showing realistic behaviors. Understanding user perception and navigation…

Graphics · Computer Science 2024-07-12 Haoran Yun , Jose Luis Ponton , Alejandro Beacco , Carlos Andujar , Nuria Pelechano

Several simulation environments exist for the simulation of large-scale evacuations of buildings, ships, or other enclosed spaces. These offer sophisticated tools for the study of human behaviour, the recreation of environmental factors…

Computational Engineering, Finance, and Science · Computer Science 2008-05-06 Peter J. Harding , Martyn Amos , Steve Gwynne

Security plays a crucial role when it comes to planning large events such as concerts, sporting tournaments, pilgrims, or demonstrations. Monitoring and controlling pedestrian dynamics can prevent dangerous situations from occurring.…

Physics and Society · Physics 2025-03-26 Sina Feldmann , Juliane Adrian

Motion prediction is a critical part of self-driving technology, responsible for inferring future behavior of traffic actors in autonomous vehicle's surroundings. In order to ensure safe and efficient operations, prediction models need to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Henggang Cui , Hoda Shajari , Sai Yalamanchi , Nemanja Djuric

This paper proposes a method based on repulsive forces and sparse reconstruction for the detection and location of abnormal events in crowded scenes. In order to avoid the challenging problem of accurately tracking each specific individual…

Computer Vision and Pattern Recognition · Computer Science 2018-08-22 Pei Lv , Shunhua Liu , Mingliang Xu , Bing Zhou

We address the problem of crowd localization, i.e., the prediction of dots corresponding to people in a crowded scene. Due to various challenges, a localization method is prone to spatial semantic errors, i.e., predicting multiple dots…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Shahira Abousamra , Minh Hoai , Dimitris Samaras , Chao Chen

Post-traumatic stress disorder (PTSD) is a significant mental health challenge that affects individuals exposed to traumatic events. Early detection and effective intervention for PTSD are crucial, as it can lead to long-term psychological…

Machine Learning · Computer Science 2024-11-19 Ayesha Siddiqua , Atib Mohammad Oni , Abu Saleh Musa Miah , Jungpil Shin

The increasing number of cameras and a handful of human operators to monitor the video inputs from hundreds of cameras leave the system ill equipped to fulfil the task of detecting anomalies. Thus, there is a dire need to automatically…

Computer Vision and Pattern Recognition · Computer Science 2014-10-16 Mei Kuan Lim , Chee Seng Chan , Dorothy Monekosso , Paolo Remagnino

In this work, we study the numerical approximation of local fluctuations of certain classes of parabolic stochastic partial differential equations (SPDEs). Our focus is on effects for small spatially-correlated noise on a time scale before…

Numerical Analysis · Mathematics 2019-02-21 Christian Kuehn , Patrick Kuerschner

This paper presents a method to predict the evolution of a complex traffic scenario with multiple objects. The current state of the scenario is assumed to be known from sensors and the prediction is taking into account various hypotheses…

Machine Learning · Computer Science 2025-12-16 Parthasarathy Nadarajan , Michael Botsch

The automatic detection of pedestrian heads in crowded environments is essential for crowd analysis and management tasks, particularly in high-risk settings such as railway platforms and event entrances. These environments, characterized by…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Mohamad Abubaker , Zubayda Alsadder , Hamed Abdelhaq , Maik Boltes , Ahmed Alia

Mobile crowdsensing allows a large number of mobile devices to measure phenomena of common interests and form a body of knowledge about natural and social environments. In order to get location annotations for indoor mobile crowdsensing,…

Cryptography and Security · Computer Science 2017-08-22 Qiang Xu , Rong Zheng , Ezzeldin Tahoun

Crowd evacuation simulation is critical for enhancing public safety, and demanded for realistic virtual environments. Current mainstream evacuation models overlook the complex human behaviors that occur during evacuation, such as pedestrian…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Xiaolin Liu , Tianyi Zhou , Hongbo Kang , Jian Ma , Ziwen Wang , Jing Huang , Wenguo Weng , Yu-Kun Lai , Kun Li