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In the field of crowd counting, the current mainstream CNN-based regression methods simply extract the density information of pedestrians without finding the position of each person. This makes the output of the network often found to…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Yi Hou , Chengyang Li , Fan Yang , Cong Ma , Liping Zhu , Yuan Li , Huizhu Jia , Xiaodong Xie

In this paper, we propose a simple yet effective crowd counting and localization network named SCALNet. Unlike most existing works that separate the counting and localization tasks, we consider those tasks as a pixel-wise dense prediction…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Yi Wang , Xinyu Hou , Lap-Pui Chau

With the development of deep neural networks, the performance of crowd counting and pixel-wise density estimation are continually being refreshed. Despite this, there are still two challenging problems in this field: 1) current supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Junyu Gao , Yuan Yuan , Qi Wang

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

Accurate crowd detection (CD) is critical for public safety and historical pattern analysis, yet existing methods relying on ground and aerial imagery suffer from limited spatio-temporal coverage. The development of very-fine-resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Tong Xiao , Qunming Wang , Ping Lu , Tenghai Huang , Xiaohua Tong , Peter M. Atkinson

In recent years, significant progress has been made on the research of crowd counting. However, as the challenging scale variations and complex scenes existed in crowds, neither traditional convolution networks nor recent Transformer…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Xing Wei , Yuanrui Kang , Jihao Yang , Yunfeng Qiu , Dahu Shi , Wenming Tan , Yihong Gong

Stop location detection, within human mobility studies, has an impacts in multiple fields including urban planning, transport network design, epidemiological modeling, and socio-economic segregation analysis. However, it remains a…

Machine Learning · Computer Science 2024-07-17 Margherita Bertè , Rashid Ibrahimli , Lars Koopmans , Pablo Valgañón , Nicola Zomer , Davide Colombi

In this paper, we aim at tackling the problem of crowd counting in extremely high-density scenes, which contain hundreds, or even thousands of people. We begin by a comprehensive analysis of the most widely used density map-based methods,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Hanhui Li , Xiangjian He , Hefeng Wu , Saeed Amirgholipour Kasmani , Ruomei Wang , Xiaonan Luo , Liang Lin

Recently, crowd counting is a hot topic in crowd analysis. Many CNN-based counting algorithms attain good performance. However, these methods only focus on the local appearance features of crowd scenes but ignore the large-range pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Junyu Gao , Qi Wang , Yuan Yuan

Forecasting the flow of crowds is of great importance to traffic management and public safety, yet a very challenging task affected by many complex factors, such as inter-region traffic, events and weather. In this paper, we propose a…

Artificial Intelligence · Computer Science 2017-01-11 Junbo Zhang , Yu Zheng , Dekang Qi

Understanding human visual attention and saliency is an integral part of vision research. In this context, there is an ever-present need for fresh and diverse benchmark datasets, particularly for insight into special use cases like crowded…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Memoona Tahira , Sobas Mehboob , Anis U. Rahman , Omar Arif

For crowded scenes, the accuracy of object-based computer vision methods declines when the images are low-resolution and objects have severe occlusions. Taking counting methods for example, almost all the recent state-of-the-art counting…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Di Kang , Zheng Ma , Antoni B. Chan

The task of crowd counting is extremely challenging due to complicated difficulties, especially the huge variation in vision scale. Previous works tend to adopt a naive concatenation of multi-scale information to tackle it, while the scale…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Zhikang Zou , Yifan Liu , Shuangjie Xu , Wei Wei , Shiping Wen , Pan Zhou

The aim of crowd counting is to estimate the number of people in images by leveraging the annotation of center positions for pedestrians' heads. Promising progresses have been made with the prevalence of deep Convolutional Neural Networks.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Zhi-Qi Cheng , Jun-Xiu Li , Qi Dai , Xiao Wu , Alexander Hauptmann

Detecting anomalies in crowded scenes is challenging due to severe inter-person occlusions and highly dynamic, context-dependent motion patterns. Existing approaches often struggle to adapt to varying crowd densities and lack interpretable…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Fatima AlGhamdi , Omar Alharbi , Abdullah Aldwyish , Raied Aljadaany , Muhammad Kamran J Khan , Huda Alamri

Our research is focused on two main applications of crowd scene analysis crowd counting and anomaly detection In recent years a large number of researches have been presented in the domain of crowd counting We addressed two main challenges…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Muhammad Junaid Asif

In real-world crowd counting applications, the crowd densities in an image vary greatly. When facing density variation, humans tend to locate and count the targets in low-density regions, and reason the number in high-density regions. We…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Yuehai Chen , Jing Yang , Badong Chen , Shaoyi Du

In this work, we propose a novel crowd counting network that progressively generates crowd density maps via residual error estimation. The proposed method uses VGG16 as the backbone network and employs density map generated by the final…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Vishwanath A. Sindagi , Rajeev Yasarla , Vishal M. Patel

Crowd scene analysis has received a lot of attention recently due to the wide variety of applications, for instance, forensic science, urban planning, surveillance and security. In this context, a challenging task is known as crowd…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Rodolfo Quispe , Darwin Ttito , Adín Ramírez Rivera , Helio Pedrini

Crowd counting has gained significant popularity due to its practical applications. However, mainstream counting methods ignore precise individual localization and suffer from annotation noise because of counting from estimating density…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Hao-Yuan Ma , Li Zhang , Xiang-Yi Wei