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Crowd counting is the task of estimating people numbers in crowd images. Modern crowd counting methods employ deep neural networks to estimate crowd counts via crowd density regressions. A major challenge of this task lies in the…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Miaojing Shi , Zhaohui Yang , Chao Xu , Qijun Chen

In this paper, we focus on the crowd localization task, a crucial topic of crowd analysis. Most regression-based methods utilize convolution neural networks (CNN) to regress a density map, which can not accurately locate the instance in the…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Dingkang Liang , Wei Xu , Yingying Zhu , Yu Zhou

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…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Xin Wang , Yang Zhao , Tangwen Yang , Qiuqi Ruan

Crowd counting has been widely studied by computer vision community in recent years. Due to the large scale variation, it remains to be a challenging task. Previous methods adopt either multi-column CNN or single-column CNN with multiple…

计算机视觉与模式识别 · 计算机科学 2019-06-25 Feng Dai , Hao Liu , Yike Ma , Juan Cao , Qiang Zhao , Yongdong Zhang

Automatic crowd counting using density estimation has gained significant attention in computer vision research. As a result, a large number of crowd counting and density estimation models using convolution neural networks (CNN) have been…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Muhammad Asif Khan , Hamid Menouar , Ridha Hamila

Accurately locating each head's position in the crowd scenes is a crucial task in the field of crowd analysis. However, traditional density-based methods only predict coarse prediction, and segmentation/detection-based methods cannot handle…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Junyu Gao , Tao Han , Qi Wang , Yuan Yuan , Xuelong Li

This paper addresses the problem of head detection in crowded environments. Our detection is based entirely on the geometric consistency across cameras with overlapping fields of view, and no additional learning process is required. We…

计算机视觉与模式识别 · 计算机科学 2018-08-03 Nicola Pellicanò , Emanuel Aldea , Sylvie Le Hégarat-Mascle

Forecasting human activities observed in videos is a long-standing challenge in computer vision, which leads to various real-world applications such as mobile robots, autonomous driving, and assistive systems. In this work, we present a new…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Hiroaki Minoura , Ryo Yonetani , Mai Nishimura , Yoshitaka Ushiku

We address the problem of crowd localization, i.e., the prediction of dots corresponding to people in a crowded scene. Due to various challenges, a localization method is prone to spatial semantic errors, i.e., predicting multiple dots…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Shahira Abousamra , Minh Hoai , Dimitris Samaras , Chao Chen

A crowd density forecasting task aims to predict how the crowd density map will change in the future from observed past crowd density maps. However, the past crowd density maps are often incomplete due to the miss-detection of pedestrians,…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Ryo Fujii , Ryo Hachiuma , Hideo Saito

Detection-based methods have been viewed unfavorably in crowd analysis due to their poor performance in dense crowds. However, we argue that the potential of these methods has been underestimated, as they offer crucial information for crowd…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Shaokai Wu , Fengyu Yang

Currently, the safety of people has become a very important problem in different places including subway station, universities, colleges, airport, shopping mall and square, city squares. Therefore, considering intelligence event detection…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Constantinou Miti , Demetriou Zatte , Siraj Sajid Gondal

We propose a multitask approach for crowd counting and person localization in a unified framework. As the detection and localization tasks are well-correlated and can be jointly tackled, our model benefits from a multitask solution by…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Mohsen Zand , Haleh Damirchi , Andrew Farley , Mahdiyar Molahasani , Michael Greenspan , Ali Etemad

The problem of counting crowds in varying density scenes or in different density regions of the same scene, named as pan-density crowd counting, is highly challenging. Previous methods are designed for single density scenes or do not fully…

计算机视觉与模式识别 · 计算机科学 2020-01-10 Yukun Tian , Yiming Lei , Junping Zhang , James Z. Wang

The motivation of this paper originates from rethinking an essential characteristic of crowd counting: individuals (heads of humans) in the crowd counting task typically occupy a very small portion of the image. This characteristic has…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Tianhang Pan , Xiuyi Jia

We consider the problem of recovering a single person's 3D human mesh from in-the-wild crowded scenes. While much progress has been in 3D human mesh estimation, existing methods struggle when test input has crowded scenes. The first reason…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Hongsuk Choi , Gyeongsik Moon , JoonKyu Park , Kyoung Mu Lee

Dense crowd counting is a challenging task that demands millions of head annotations for training models. Though existing self-supervised approaches could learn good representations, they require some labeled data to map these features to…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Deepak Babu Sam , Abhinav Agarwalla , Jimmy Joseph , Vishwanath A. Sindagi , R. Venkatesh Babu , Vishal M. Patel

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…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Shuai Shao , Zijian Zhao , Boxun Li , Tete Xiao , Gang Yu , Xiangyu Zhang , Jian Sun

Recently the crowd counting has received more and more attention. Especially the technology of high-density environment has become an important research content, and the relevant methods for the existence of extremely dense crowd are not…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Mengxiao Tian , Hao Guo , Chengjiang Long

Crowd counting is a challenging task due to the issues such as scale variation and perspective variation in real crowd scenes. In this paper, we propose a novel Cascaded Residual Density Network (CRDNet) in a coarse-to-fine approach to…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Kun Zhao , Luchuan Song , Bin Liu , Qi Chu , Nenghai Yu