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Video surveillance using drones is both convenient and efficient due to the ease of deployment and unobstructed movement of drones in many scenarios. An interesting application of drone-based video surveillance is to estimate crowd…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Muhammad Asif Khan , Hamid Menouar , Ridha Hamila

We are interested in developing an automated system for detection of organized movements in human crowds. Computer vision algorithms can extract information from videos of crowded scenes and automatically detect and track groups of…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Alexandre Matov

We present a method for image-based crowd counting, one that can predict a crowd density map together with the uncertainty values pertaining to the predicted density map. To obtain prediction uncertainty, we model the crowd density values…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Viresh Ranjan , Boyu Wang , Mubarak Shah , Minh Hoai

In this paper, we consider the problem of crowd counting in images. Given an image of a crowded scene, our goal is to estimate the density map of this image, where each pixel value in the density map corresponds to the crowd density at the…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Mohammad Asiful Hossain , Mehrdad Hosseinzadeh , Omit Chanda , Yang Wang

In high population cities, the gatherings of large crowds in public places and public areas accelerate or jeopardize people safety and transportation, which is a key challenge to the researchers. Although much research has been carried out…

计算机视觉与模式识别 · 计算机科学 2019-09-11 Muhammad Siraj

Studying the behavior of crowds is vital for understanding and predicting human interactions in public areas. Research has shown that, under certain conditions, large groups of people can form collective behavior patterns: local…

计算机视觉与模式识别 · 计算机科学 2017-07-07 Stijn Heldens , Claudio Martella , Nelly Litvak , Maarten van Steen

In this paper, we propose a method called Convolutional Neural Network-Markov Random Field (CNN-MRF) to estimate the crowd count in a still image. We first divide the dense crowd visible image into overlapping patches and then use a deep…

计算机视觉与模式识别 · 计算机科学 2017-10-18 Kang Han , Wanggen Wan , Haiyan Yao , Li Hou

Concerts, protests, and sporting events are occurring with increasing frequency and magnitude. The extreme physical conditions common to these events are known to cause injuries and loss-of-life due to the emergence of collective motion…

物理与社会 · 物理学 2018-09-25 Arianna Bottinelli , Jesse L. Silverberg

Crowd flow forecasting, which aims to predict the crowds entering or leaving certain regions, is a fundamental task in smart cities. One of the key properties of crowd flow data is periodicity: a pattern that occurs at regular time…

机器学习 · 计算机科学 2022-09-29 Chengxin Wang , Yuxuan Liang , Gary Tan

Robots operating in human-populated environments must navigate safely and efficiently while minimizing social disruption. Achieving this requires estimating crowd movement to avoid congested areas in real-time. Traditional microscopic…

机器人学 · 计算机科学 2025-08-28 Maryam Kazemi Eskeri , Thomas Wiedemann , Ville Kyrki , Dominik Baumann , Tomasz Piotr Kucner

Detecting and Counting people in a human crowd from a moving drone present challenging problems that arisefrom the constant changing in the image perspective andcamera angle. In this paper, we test two different state-of-the-art approaches,…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Javier Gonzalez-Trejo , Diego Mercado-Ravell

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

Deep learning occupies an undisputed dominance in crowd counting. In this paper, we propose a novel convolutional neural network (CNN) architecture called SegCrowdNet. Despite the complex background in crowd scenes, the proposeSegCrowdNet…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Jiwei Chen , Zengfu Wang

Modern methods for counting people in crowded scenes rely on deep networks to estimate people densities in individual images. As such, only very few take advantage of temporal consistency in video sequences, and those that do only impose…

计算机视觉与模式识别 · 计算机科学 2021-08-04 Weizhe Liu , Mathieu Salzmann , Pascal Fua

We present a framework for video-driven crowd synthesis. Motion vectors extracted from input crowd video are processed to compute global motion paths. These paths encode the dominant motions observed in the input video. These paths are then…

计算机视觉与模式识别 · 计算机科学 2018-03-15 Jordan Stadler , Faisal Z. Qureshi

With multiple crowd gatherings of millions of people every year in events ranging from pilgrimages to protests, concerts to marathons, and festivals to funerals; visual crowd analysis is emerging as a new frontier in computer vision. In…

计算机视觉与模式识别 · 计算机科学 2018-08-06 Haroon Idrees , Muhmmad Tayyab , Kishan Athrey , Dong Zhang , Somaya Al-Maadeed , Nasir Rajpoot , Mubarak Shah

Since the past few decades, human trajectory forecasting has been a field of active research owing to its numerous real-world applications: evacuation situation analysis, deployment of intelligent transport systems, traffic operations, to…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Parth Kothari , Sven Kreiss , Alexandre Alahi

Human mobility patterns refer to the regularities and trends in the way people move, travel, or navigate through different geographical locations over time. Detecting human mobility patterns is essential for a variety of applications,…

社会与信息网络 · 计算机科学 2023-05-23 Yisheng Alison Zheng , Abdallah Lakhdari , Amani Abusafia , Shing Tai Tony Lui , Athman Bouguettaya

Crowd analysis from drones has attracted increasing attention in recent times due to the ease of use and affordable cost of these devices. However, how this technology can provide a solution to crowd flow detection is still an unexplored…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Giovanna Castellano , Eugenio Cotardo , Corrado Mencar , Gennaro Vessio

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density in the image plane. While useful for this purpose, this image-plane density has no immediate physical meaning because it is…

计算机视觉与模式识别 · 计算机科学 2019-07-19 Weizhe Liu , Krzysztof Lis , Mathieu Salzmann , Pascal Fua