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Automatic estimation of the number of people in unconstrained crowded scenes is a challenging task and one major difficulty stems from the huge scale variation of people. In this paper, we propose a novel Deep Structured Scale Integration…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Lingbo Liu , Zhilin Qiu , Guanbin Li , Shufan Liu , Wanli Ouyang , Liang Lin

We propose a novel crowd counting model that maps a given crowd scene to its density. Crowd analysis is compounded by myriad of factors like inter-occlusion between people due to extreme crowding, high similarity of appearance between…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Deepak Babu Sam , Shiv Surya , R. Venkatesh Babu

Computer vision tasks often have side information available that is helpful to solve the task. For example, for crowd counting, the camera perspective (e.g., camera angle and height) gives a clue about the appearance and scale of people in…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Di Kang , Debarun Dhar , Antoni B. Chan

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

Crowd counting problem that counts the number of people in an image has been extensively studied in recent years. In this paper, we introduce a new variant of crowd counting problem, namely "Categorized Crowd Counting", that counts the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-13 Sarkar Snigdha Sarathi Das , Syed Md. Mukit Rashid , Mohammed Eunus Ali

We propose the use of dilated filters to construct an aggregation module in a multicolumn convolutional neural network for perspective-free counting. Counting is a common problem in computer vision (e.g. traffic on the street or pedestrians…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Diptodip Deb , Jonathan Ventura

Thanks to the diffusion of the Internet of Things, nowadays it is possible to sense human mobility almost in real time using unconventional methods (e.g., number of bikes in a bike station). Due to the diffusion of such technologies, the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Marco Cardia , Massimiliano Luca , Luca Pappalardo

We propose an attention-injective deformable convolutional network called ADCrowdNet for crowd understanding that can address the accuracy degradation problem of highly congested noisy scenes. ADCrowdNet contains two concatenated networks.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Ning Liu , Yongchao Long , Changqing Zou , Qun Niu , Li Pan , Hefeng Wu

Crowd counting, for estimating the number of people in a crowd using vision-based computer techniques, has attracted much interest in the research community. Although many attempts have been reported, real-world problems, such as huge…

Computer Vision and Pattern Recognition · Computer Science 2018-04-23 Saeed Amirgholipour Kasmani , Xiangjian He , Wenjing Jia , Dadong Wang , Michelle Zeibots

Automatic analysis of highly crowded people has attracted extensive attention from computer vision research. Previous approaches for crowd counting have already achieved promising performance across various benchmarks. However, to deal with…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Xiaowen Shi , Xin Li , Caili Wu , Shuchen Kong , Jing Yang , Liang He

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

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 crowd counting datasets, people appear at different scales, depending on their distance from the camera. To address this issue, we propose a novel multi-branch scale-aware attention network that exploits the hierarchical structure of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Rahul Rama Varior , Bing Shuai , Joseph Tighe , Davide Modolo

The task of crowd counting in varying density scenes is an extremely difficult challenge due to large scale variations. In this paper, we propose a novel dual path multi-scale fusion network architecture with attention mechanism named…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Liang Zhu , Zhijian Zhao , Chao Lu , Yining Lin , Yao Peng , Tangren Yao

Crowd counting, i.e., estimating the number of people in a crowded area, has attracted much interest in the research community. Although many attempts have been reported, crowd counting remains an open real-world problem due to the vast…

Computer Vision and Pattern Recognition · Computer Science 2020-04-30 Saeed Amirgholipour , Xiangjian He , Wenjing Jia , Dadong Wang , Lei Liu

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

Crowd counting is one of the core tasks in various surveillance applications. A practical system involves estimating accurate head counts in dynamic scenarios under different lightning, camera perspective and occlusion states. Previous…

Computer Vision and Pattern Recognition · Computer Science 2018-06-27 Li Wang , Weiyuan Shao , Yao Lu , Hao Ye , Jian Pu , Yingbin Zheng

Crowd counting is a challenging problem due to the scene complexity and scale variation. Although deep learning has achieved great improvement in crowd counting, scene complexity affects the judgement of these methods and they usually…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Jiwei Chen , Wen Su , Zengfu Wang

Most recent methods used for crowd counting are based on the convolutional neural network (CNN), which has a strong ability to extract local features. But CNN inherently fails in modeling the global context due to the limited receptive…

Computer Vision and Pattern Recognition · Computer Science 2021-09-30 Ye Tian , Xiangxiang Chu , Hongpeng Wang

Current crowd counting algorithms are only concerned about the number of people in an image, which lacks low-level fine-grained information of the crowd. For many practical applications, the total number of people in an image is not as…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Jia Wan , Nikil Senthil Kumar , Antoni B. Chan