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This paper presents our solution to ACM MM challenge: Large-scale Human-centric Video Analysis in Complex Events\cite{lin2020human}; specifically, here we focus on Track3: Crowd Pose Tracking in Complex Events. Remarkable progress has been…

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

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

Crowd counting in single-view images has achieved outstanding performance on existing counting datasets. However, single-view counting is not applicable to large and wide scenes (e.g., public parks, long subway platforms, or event spaces)…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Qi Zhang , Antoni B. Chan

This paper presents a crowd monitoring system based on the passive detection of probe requests. The system meets strict privacy requirements and is suited to monitoring events or buildings with a least a few hundreds of attendees. We…

Systems and Control · Electrical Eng. & Systems 2022-02-21 Jean-François Determe , Sophia Azzagnuni , Utkarsh Singh , François Horlin , Philippe De Doncker

Full body trackers are utilized for surveillance and security purposes, such as person-tracking robots. In the Middle East, uniform crowd environments are the norm which challenges state-of-the-art trackers. Despite tremendous improvements…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Zhibo Zhang , Omar Alremeithi , Maryam Almheiri , Marwa Albeshr , Xiaoxiong Zhang , Sajid Javed , Naoufel Werghi

Social distancing is a recommended solution by the World Health Organisation (WHO) to minimise the spread of COVID-19 in public places. The majority of governments and national health authorities have set the 2-meter physical distancing as…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Mahdi Rezaei , Mohsen Azarmi

Compared with single image based crowd counting, video provides the spatial-temporal information of the crowd that would help improve the robustness of crowd counting. But translation, rotation and scaling of people lead to the change of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Yanyan Fang , Biyun Zhan , Wandi Cai , Shenghua Gao , Bo Hu

In spite of the many advantages of aerial imagery for crowd monitoring and management at mass events, datasets of aerial images of crowds are still lacking in the field. As a remedy, in this work we introduce a novel crowd dataset, the DLR…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Reza Bahmanyar , Elenora Vig , Peter Reinartz

With the relaxation of the containment measurements around the globe, monitoring the social distancing in crowded public places is of grate importance to prevent a new massive wave of COVID-19 infections. Recent works in that matter have…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Javier A. González-Trejo , Diego A. Mercado-Ravell

Over the past few years, researchers have presented many different applications for convolutional neural networks, including those for the detection and recognition of objects from images. The desire to understand our own nature has always…

Computer Vision and Pattern Recognition · Computer Science 2019-11-06 Gergely Csönde , Yoshihide Sekimoto , Takehiro Kashiyama

Future airports are becoming more complex and congested with the increasing number of travellers. While the airports are more likely to become hotspots for potential conflicts to break out which can cause serious delays to flights and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Karan Kheta , Claire Delgove , Ruolin Liu , Adeola Aderogba , Marc-Olivier Pokam , Muhammed Mehmet Unal , Yang Xing , Weisi Guo

Recently multi-view crowd counting using deep neural networks has been proposed to enable counting in large and wide scenes using multiple cameras. The current methods project the camera-view features to the average-height plane of the 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Qi Zhang , Antoni B. Chan

In this paper, we propose a novel self-training approach named Crowd-SDNet that enables a typical object detector trained only with point-level annotations (i.e., objects are labeled with points) to estimate both the center points and sizes…

Computer Vision and Pattern Recognition · Computer Science 2021-02-19 Yi Wang , Junhui Hou , Xinyu Hou , Lap-Pui Chau

Understanding crowd behaviors in a large social event is crucial for event management. Passive WiFi sensing, by collecting WiFi probe requests sent from mobile devices, provides a better way to monitor crowds compared with people counters…

Social and Information Networks · Computer Science 2020-02-12 Yuren Zhou , Billy Pik Lik Lau , Zann Koh , Chau Yuen , Benny Kai Kiat Ng

Current people detectors operate either by scanning an image in a sliding window fashion or by classifying a discrete set of proposals. We propose a model that is based on decoding an image into a set of people detections. Our system takes…

Computer Vision and Pattern Recognition · Computer Science 2015-07-10 Russell Stewart , Mykhaylo Andriluka

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…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Viresh Ranjan , Boyu Wang , Mubarak Shah , Minh Hoai

Over the last decade, there has been a remarkable surge in interest in automated crowd monitoring within the computer vision community. Modern deep-learning approaches have made it possible to develop fully-automated vision-based…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Muhammad Asif Khan , Hamid Menouar , Ridha Hamila

We introduce a detection framework for dense crowd counting and eliminate the need for the prevalent density regression paradigm. Typical counting models predict crowd density for an image as opposed to detecting every person. These…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Deepak Babu Sam , Skand Vishwanath Peri , Mukuntha Narayanan Sundararaman , Amogh Kamath , R. Venkatesh Babu

Managing the massive annual gatherings of Hajj and Umrah presents significant challenges, particularly as the Saudi government aims to increase the number of pilgrims. Currently, around two million pilgrims attend Hajj and 26 million attend…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Afnan A. Shah

The pervasive deployment of surveillance cameras produces a massive volume of data, requiring nuanced interpretation. This study thoroughly examines data representation and visualization techniques tailored for AI surveillance data within…

Computers and Society · Computer Science 2023-12-12 Babak Rahimi Ardabili , Shanle Yao , Armin Danesh Pazho , Lauren Bourque , Hamed Tabkhi