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Crowd management is a complex, challenging and crucial task. Lack of appropriate management of crowd has, in past, led to many unfortunate stampedes with significant loss of life. To increase the crowd management efficiency, we deploy…

Multiagent Systems · Computer Science 2015-03-03 Garima Ahuja , Kamalakar Karlapalem

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,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Javier Gonzalez-Trejo , Diego Mercado-Ravell

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…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Weizhe Liu , Mathieu Salzmann , Pascal Fua

Drones shooting can be applied in dynamic traffic monitoring, object detecting and tracking, and other vision tasks. The variability of the shooting location adds some intractable challenges to these missions, such as varying scale,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Zhiyuan Zhao , Tao Han , Junyu Gao , Qi Wang , Xuelong Li

In this paper we advance the state-of-the-art for crowd counting in high density scenes by further exploring the idea of a fully convolutional crowd counting model introduced by (Zhang et al., 2016). Producing an accurate and robust crowd…

Computer Vision and Pattern Recognition · Computer Science 2017-01-18 Mark Marsden , Kevin McGuinness , Suzanne Little , Noel E. O'Connor

Crowd localization aims to predict the spatial position of humans in a crowd scenario. We observe that the performance of existing methods is challenged from two aspects: (i) ranking inconsistency between test and training phases; and (ii)…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Xinyan Liu , Guorong Li , Yuankai Qi , Zhenjun Han , Qingming Huang , Ming-Hsuan Yang , Nicu Sebe

Human pose estimation has recently made significant progress with the adoption of deep convolutional neural networks. Its many applications have attracted tremendous interest in recent years. However, many practical applications require…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Thomas Golda , Tobias Kalb , Arne Schumann , Jürgen Beyerer

Automatic people counting from images has recently drawn attention for urban monitoring in modern Smart Cities due to the ubiquity of surveillance camera networks. Current computer vision techniques rely on deep learning-based algorithms…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Marco Avvenuti , Marco Bongiovanni , Luca Ciampi , Fabrizio Falchi , Claudio Gennaro , Nicola Messina

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density. While effective, deep learning approaches are vulnerable to adversarial attacks, which, in a crowd-counting context, can lead to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Weizhe Liu , Mathieu Salzmann , Pascal Fua

Video-based high-density crowd analysis and prediction has been a long-standing topic in computer vision. It is notoriously difficult due to, but not limited to, the lack of high-quality data and complex crowd dynamics. Consequently, it has…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Feixiang He , Jiangbei Yue , Jialin Zhu , Armin Seyfried , Dan Casas , Julien Pettré , He Wang

In this work, we tackle the problem of crowd counting in images. We present a Convolutional Neural Network (CNN) based density estimation approach to solve this problem. Predicting a high resolution density map in one go is a challenging…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Viresh Ranjan , Hieu Le , Minh Hoai

This study enhances a crowd density estimation algorithm originally designed for image-based analysis by adapting it for video-based scenarios. The proposed method integrates a denoising probabilistic model that utilizes diffusion processes…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Balachandra Devarangadi Sunil , Rakshith Venkatesh , Shantanu Todmal

Modern crowd counting methods usually employ deep neural networks (DNN) to estimate crowd counts via density regression. Despite their significant improvements, the regression-based methods are incapable of providing the detection of…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Yuting Liu , Miaojing Shi , Qijun Zhao , Xiaofang Wang

In emergency management for mass gathering, the knowledge about crowd types can highly assist with providing timely response and effective resource allocation. Crowd monitoring can be achieved using computer vision based approaches and…

Computers and Society · Computer Science 2016-06-03 Minh Quan Ngo , Pari Delir Haghighi , Frada Burstein

Video-based human pose estimation in crowded scenes is a challenging problem due to occlusion, motion blur, scale variation and viewpoint change, etc. Prior approaches always fail to deal with this problem because of (1) lacking of usage of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Li Yuan , Shuning Chang , Xuecheng Nie , Ziyuan Huang , Yichen Zhou , Yunpeng Chen , Jiashi Feng , Shuicheng Yan

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…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Longyin Wen , Dawei Du , Pengfei Zhu , Qinghua Hu , Qilong Wang , Liefeng Bo , Siwei Lyu

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…

Robotics · Computer Science 2025-08-28 Maryam Kazemi Eskeri , Thomas Wiedemann , Ville Kyrki , Dominik Baumann , Tomasz Piotr Kucner

Single image crowd counting is a challenging computer vision problem with wide applications in public safety, city planning, traffic management, etc. With the recent development of deep learning techniques, crowd counting has aroused much…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Haoyue Bai , Jiageng Mao , S. -H. Gary Chan

The growth of the number of people in the monitoring scene may increase the probability of security threat, which makes crowd counting more and more important. Most of the existing approaches estimate the number of pedestrians within one…

Computer Vision and Pattern Recognition · Computer Science 2017-12-18 Liqing Gao , Yanzhang Wang , Xin Ye , Jian Wang

Pedestrian detection is an initial step to perform outdoor scene analysis, which plays an essential role in many real-world applications. Although having enjoyed the merits of deep learning frameworks from the generic object detectors,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Jialiang Zhang , Lixiang Lin , Yang Li , Yun-chen Chen , Jianke Zhu , Yao Hu , Steven C. H. Hoi