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In the context of crowd counting, most of the works have focused on improving the accuracy without regard to the performance leading to algorithms that are not suitable for embedded applications. In this paper, we propose a lightweight…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Javier Antonio Gonzalez-Trejo , Diego Alberto Mercado-Ravell

Counting people or objects with significantly varying scales and densities has attracted much interest from the research community and yet it remains an open problem. In this paper, we propose a simple but an efficient and effective…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Lei Liu , Jie Jiang , Wenjing Jia , Saeed Amirgholipour , Michelle Zeibots , Xiangjian He

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

We seek to improve crowd counting as we perceive limits of currently prevalent density map estimation approach on both prediction accuracy and time efficiency. We leverage multilevel pixelation of density map as it helps improve SNR of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Zhuojun Chen , Junhao Cheng , Yuchen Yuan , Dongping Liao , Yizhou Li , Jiancheng Lv

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

In this paper we advance the state-of-the-art for crowd counting in high density scenes by further exploring the idea of a fully convolutional crowd counting model introduced by (Zhang et al., 2016). Producing an accurate and robust crowd…

Computer Vision and Pattern Recognition · Computer Science 2017-01-18 Mark Marsden , Kevin McGuinness , Suzanne Little , Noel E. O'Connor

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

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 aims to predict the number of people and generate the density map in the image. There are many challenges, including varying head scales, the diversity of crowd distribution across images and cluttered backgrounds. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Xin Wang , Yang Zhao , Tangwen Yang , Qiuqi Ruan

Detecting and Counting people in a human crowd from a moving drone present challenging problems that arisefrom the constant changing in the image perspective andcamera angle. In this paper, we test two different state-of-the-art approaches,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Javier Gonzalez-Trejo , Diego Mercado-Ravell

In this paper, we tackle the problem of Crowd Counting, and present a crowd density estimation based approach for obtaining the crowd count. Most of the existing crowd counting approaches rely on local features for estimating the crowd…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Viresh Ranjan , Mubarak Shah , Minh Hoai Nguyen

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

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

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

Crowd counting is a fundamental problem in crowd analysis which is typically accomplished by estimating a crowd density map and summing over the density values. However, this approach suffers from background noise accumulation and loss of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Yasiru Ranasinghe , Nithin Gopalakrishnan Nair , Wele Gedara Chaminda Bandara , Vishal M. Patel

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

In this paper, we present a novel method Coarse- and Fine-grained Attention Network (CFANet) for generating high-quality crowd density maps and people count estimation by incorporating attention maps to better focus on the crowd area. We…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Liangzi Rong , Chunping Li

Most existing crowd counting methods require object location-level annotation, i.e., placing a dot at the center of an object. While being simpler than the bounding-box or pixel-level annotation, obtaining this annotation is still…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Yinjie Lei , Yan Liu , Pingping Zhang , Lingqiao Liu

Recent works on crowd counting mainly leverage CNNs to count by regressing density maps, and have achieved great progress. In the density map, each person is represented by a Gaussian blob, and the final count is obtained from the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Chenfeng Xu , Dingkang Liang , Yongchao Xu , Song Bai , Wei Zhan , Xiang Bai , Masayoshi Tomizuka

Deep learning occupies an undisputed dominance in crowd counting. In this paper, we propose a novel convolutional neural network (CNN) architecture called SegCrowdNet. Despite the complex background in crowd scenes, the proposeSegCrowdNet…

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