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Crowd counting has recently attracted increasing interest in computer vision but remains a challenging problem. In this paper, we propose a trellis encoder-decoder network (TEDnet) for crowd counting, which focuses on generating…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Xiaolong Jiang , Zehao Xiao , Baochang Zhang , Xiantong Zhen , Xianbin Cao , David Doermann , Ling Shao

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

Crowd Counting is a fundamental topic, aiming to estimate the number of individuals in the crowded images or videos fed from surveillance cameras. Recent works focus on improving counting accuracy, while ignoring the certified robustness of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Qiming Wu

Automatic people counting from images has recently drawn attention for urban monitoring in modern Smart Cities due to the ubiquity of surveillance camera networks. Current computer vision techniques rely on deep learning-based algorithms…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Marco Avvenuti , Marco Bongiovanni , Luca Ciampi , Fabrizio Falchi , Claudio Gennaro , Nicola Messina

In recent years, significant progress has been made on the research of crowd counting. However, as the challenging scale variations and complex scenes existed in crowds, neither traditional convolution networks nor recent Transformer…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Xing Wei , Yuanrui Kang , Jihao Yang , Yunfeng Qiu , Dahu Shi , Wenming Tan , Yihong Gong

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

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

Today's robotic fleets are increasingly measuring high-volume video and LIDAR sensory streams, which can be mined for valuable training data, such as rare scenes of road construction sites, to steadily improve robotic perception models.…

Crowd counting is critical for numerous video surveillance scenarios. One of the main issues in this task is how to handle the dramatic scale variations of pedestrians caused by the perspective effect. To address this issue, this paper…

Computer Vision and Pattern Recognition · Computer Science 2021-07-09 Zhaoyi Yan , Ruimao Zhang , Hongzhi Zhang , Qingfu Zhang , Wangmeng Zuo

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…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Hongsuk Choi , Gyeongsik Moon , JoonKyu Park , Kyoung Mu Lee

Density estimation is one of the most widely used methods for crowd counting in which a deep learning model learns from head-annotated crowd images to estimate crowd density in unseen images. Typically, the learning performance of the model…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Muhammad Asif Khan , Hamid Menouar , Ridha Hamila

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

Videos take a lot of time to transport over the network, hence running analytics on the live video on embedded or mobile devices has become an important system driver. Considering that such devices, e.g., surveillance cameras or AR/VR…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Ran Xu , Rakesh Kumar , Pengcheng Wang , Peter Bai , Ganga Meghanath , Somali Chaterji , Subrata Mitra , Saurabh Bagchi

This paper proposes a crowd counting method. Crowd counting is difficult because of large appearance changes of a target which caused by density and scale changes. Conventional crowd counting methods generally utilize one predictor (e,g.,…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Shohei Kumagai , Kazuhiro Hotta , Takio Kurita

Measuring and analyzing the flow of customers in retail stores is essential for a retailer to better comprehend customers' behavior and support decision-making. Nevertheless, not much attention has been given to the development of novel…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Lucas Massa , Adriano Barbosa , Krerley Oliveira , Thales Vieira

Gatherings of thousands to millions of people frequently occur for an enormous variety of events, and automated counting of these high-density crowds is useful for safety, management, and measuring significance of an event. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Greg Olmschenk , Hao Tang , Zhigang Zhu

In this paper, we aim at tackling the problem of crowd counting in extremely high-density scenes, which contain hundreds, or even thousands of people. We begin by a comprehensive analysis of the most widely used density map-based methods,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Hanhui Li , Xiangjian He , Hefeng Wu , Saeed Amirgholipour Kasmani , Ruomei Wang , Xiaonan Luo , Liang Lin

RGB-Thermal (RGB-T) crowd counting is a challenging task, which uses thermal images as complementary information to RGB images to deal with the decreased performance of unimodal RGB-based methods in scenes with low-illumination or similar…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Pengyu Chen , Junyu Gao , Yuan Yuan , Qi Wang

The mainstream crowd counting methods usually utilize the convolution neural network (CNN) to regress a density map, requiring point-level annotations. However, annotating each person with a point is an expensive and laborious process.…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Dingkang Liang , Xiwu Chen , Wei Xu , Yu Zhou , Xiang Bai

The aim of crowd counting is to estimate the number of people in images by leveraging the annotation of center positions for pedestrians' heads. Promising progresses have been made with the prevalence of deep Convolutional Neural Networks.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Zhi-Qi Cheng , Jun-Xiu Li , Qi Dai , Xiao Wu , Alexander Hauptmann