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Related papers: Detection, Tracking, and Counting Meets Drones in …

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Video crowd localization is a crucial yet challenging task, which aims to estimate exact locations of human heads in the given crowded videos. To model spatial-temporal dependencies of human mobility, we propose a multi-focus Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Haopeng Li , Lingbo Liu , Kunlin Yang , Shinan Liu , Junyu Gao , Bin Zhao , Rui Zhang , Jun Hou

The recent trend in 2D multiple object tracking (MOT) is jointly solving detection and tracking, where object detection and appearance feature (or motion) are learned simultaneously. Despite competitive performance, in crowded scenes, joint…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Weihong Ren , Denglu Wu , Hui Cao , Xi'ai Chen , Zhi Han , Honghai Liu

Tracking humans in crowded video sequences is an important constituent of visual scene understanding. Increasing crowd density challenges visibility of humans, limiting the scalability of existing pedestrian trackers to higher crowd…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Ramana Sundararaman , Cedric De Almeida Braga , Eric Marchand , Julien Pettre

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

Accurate people localisation using drones is crucial for effective crowd management, not only during massive events and public gatherings but also for monitoring daily urban crowd flow. Traditional methods for tiny object localisation using…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Bartosz Ptak , Marek Kraft

Drone equipped with cameras can dynamically track the target in the air from a broader view compared with static cameras or moving sensors over the ground. However, it is still challenging to accurately track the target using a single drone…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Pengfei Zhu , Jiayu Zheng , Dawei Du , Longyin Wen , Yiming Sun , Qinghua Hu

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

Drone-based crowd monitoring is the key technology for applications in surveillance, public safety, and event management. However, maintaining tracking continuity and consistency remains a significant challenge. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Bartosz Ptak , Marek Kraft

Crowd density level estimation is an essential aspect of crowd safety since it helps to identify areas of probable overcrowding and required conditions. Nowadays, AI systems can help in various sectors. Here for safety purposes or many for…

Cryptography and Security · Computer Science 2024-05-14 Mahira Arefin , Md. Anwar Hussen Wadud , Anichur Rahman

Crowd counting problem aims to count the number of objects within an image or a frame in the videos and is usually solved by estimating the density map generated from the object location annotations. The values in the density map, by…

Computer Vision and Pattern Recognition · Computer Science 2019-06-21 Shengqin Jiang , Xiaobo Lu , Yinjie Lei , Lingqiao Liu

Object detection and counting are related but challenging problems, especially for drone based scenes with small objects and cluttered background. In this paper, we propose a new Guided Attention Network (GANet) to deal with both object…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Yuanqiang Cai , Dawei Du , Libo Zhang , Longyin Wen , Weiqiang Wang , Yanjun Wu , Siwei Lyu

While the performance of crowd counting via deep learning has been improved dramatically in the recent years, it remains an ingrained problem due to cluttered backgrounds and varying scales of people within an image. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Yunqi Miao , Zijia Lin , Guiguang Ding , Jungong Han

Drones, or general UAVs, equipped with a single camera have been widely deployed to a broad range of applications, such as aerial photography, fast goods delivery and most importantly, surveillance. Despite the great progress achieved in…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Haotian Zhang , Gaoang Wang , Zhichao Lei , Jenq-Neng Hwang

Human detection has witnessed impressive progress in recent years. However, the occlusion issue of detecting human in highly crowded environments is far from solved. To make matters worse, crowd scenarios are still under-represented in…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Shuai Shao , Zijian Zhao , Boxun Li , Tete Xiao , Gang Yu , Xiangyu Zhang , Jian Sun

Object counting, whose aim is to estimate the number of objects from a given image, is an important and challenging computation task. Significant efforts have been devoted to addressing this problem and achieved great progress, yet counting…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Guangshuai Gao , Qingjie Liu , Yunhong Wang

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 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

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

We present DroTrack, a high-speed visual single-object tracking framework for drone-captured video sequences. Most of the existing object tracking methods are designed to tackle well-known challenges, such as occlusion and cluttered…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Ali Hamdi , Flora Salim , Du Yong Kim

Despite the numerous developments in object tracking, further development of current tracking algorithms is limited by small and mostly saturated datasets. As a matter of fact, data-hungry trackers based on deep-learning currently rely on…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Matthias Müller , Adel Bibi , Silvio Giancola , Salman Al-Subaihi , Bernard Ghanem