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Related papers: Video Individual Counting for Moving Drones

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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

We study video crowd counting, which is to estimate the number of objects (people in this paper) in all the frames of a video sequence. Previous work on crowd counting is mostly on still images. There has been little work on how to properly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Haoyue Bai , S. -H. Gary Chan

Drone-based crowd tracking faces difficulties in accurately identifying and monitoring objects from an aerial perspective, largely due to their small size and close proximity to each other, which complicates both localization and tracking.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Yi Lei , Huilin Zhu , Jingling Yuan , Guangli Xiang , Xian Zhong , Shengfeng He

In real-world crowd counting applications, the crowd densities vary greatly in spatial and temporal domains. A detection based counting method will estimate crowds accurately in low density scenes, while its reliability in congested areas…

Computer Vision and Pattern Recognition · Computer Science 2018-03-08 Jiang Liu , Chenqiang Gao , Deyu Meng , Alexander G. Hauptmann

The rapid development in visual crowd analysis shows a trend to count people by positioning or even detecting, rather than simply summing a density map. It also enlightens us back to the essence of the field, detection to count, which can…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Qi wang , Tao Han , Junyu Gao , Yuan Yuan , Xuelong Li

Crowd counting from a single image is a challenging task due to high appearance similarity, perspective changes and severe congestion. Many methods only focus on the local appearance features and they cannot handle the aforementioned…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Junyu Gao , Qi Wang , Xuelong Li

Multi-view crowd tracking estimates each person's tracking trajectories on the ground of the scene. Recent research works mainly rely on CNNs-based multi-view crowd tracking architectures, and most of them are evaluated and compared on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Qi Zhang , Jixuan Chen , Kaiyi Zhang , Xinquan Yu , Antoni B. Chan , Hui Huang

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

Multi-object tracking is a classic field in computer vision. Among them, pedestrian tracking has extremely high application value and has become the most popular research category. Existing methods mainly use motion or appearance…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Teng Fu , Yuwen Chen , Zhuofan Chen , Mengyang Zhao , Bin Li , Xiangyang Xue

Density map estimation enables accurate object counting in heavily occluded, and densely packed scenes where detection-based counting fails. In multi-class density estimation, class awareness can be introduced by modelling classes…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Villanelle O'Reilly , Jonathan Cox , Georgios Leontidis , Marc Hanheide , Petra Bosilj , James M. Brown

Multi-drone surveillance systems offer enhanced coverage and robustness for pedestrian tracking, yet existing approaches struggle with dynamic camera positions and complex occlusions. This paper introduces MATRIX (Multi-Aerial TRacking In…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Kosta Dakic , Kanchana Thilakarathna , Rodrigo N. Calheiros , Teng Joon Lim

Crowd counting is to estimate the number of objects (e.g., people or vehicles) in an image of unconstrained congested scenes. Designing a general crowd counting algorithm applicable to a wide range of crowd images is challenging, mainly due…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Haoyue Bai , Song Wen , S. -H. Gary Chan

In this paper, a novel Unified Multi-Task Learning Framework of Real-Time Drone Supervision for Crowd Counting (MFCC) is proposed, which utilizes an image fusion network architecture to fuse images from the visible and thermal infrared…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Siqi Gu , Zhichao Lian

Visual counting, a task that predicts the number of objects from an image/video, is an open-set problem by nature, i.e., the number of population can vary in $[0,+\infty)$ in theory. However, the collected images and labeled count values…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Haipeng Xiong , Hao Lu , Chengxin Liu , Liang Liu , Zhiguo Cao , Chunhua Shen

Accurately detecting and tracking pedestrians in 3D space is challenging due to large variations in rotations, poses and scales. The situation becomes even worse for dense crowds with severe occlusions. However, existing benchmarks either…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Peishan Cong , Xinge Zhu , Feng Qiao , Yiming Ren , Xidong Peng , Yuenan Hou , Lan Xu , Ruigang Yang , Dinesh Manocha , Yuexin Ma

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

Dense object counting or crowd counting has come a long way thanks to the recent development in the vision community. However, indiscernible object counting, which aims to count the number of targets that are blended with respect to their…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Cheng-Yen Yang , Hsiang-Wei Huang , Zhongyu Jiang , Hao Wang , Farron Wallace , Jenq-Neng Hwang

This paper presents two novel approaches for people counting in crowded and open environments that combine the information gathered by multiple views. Multiple camera are used to expand the field of view as well as to mitigate the problem…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Fabio Dittrich , Luiz E. S. de Oliveira , Alceu S. Britto , Alessandro L. Koerich

The dynamic imbalance of the fore-background is a major challenge in video object counting, which is usually caused by the sparsity of target objects. This remains understudied in existing works and often leads to severe…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Bing Cao , Quanhao Lu , Jiekang Feng , Qilong Wang , Qinghua Hu , Pengfei Zhu

Predicting the collective motion of a group of pedestrians (a crowd) under the vehicle influence is essential for the development of autonomous vehicles to deal with mixed urban scenarios where interpersonal interaction and vehicle-crowd…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Dongfang Yang , Linhui Li , Keith Redmill , Ümit Özgüner