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Automated counting of people in crowd images is a challenging task. The major difficulty stems from the large diversity in the way people appear in crowds. In fact, features available for crowd discrimination largely depend on the crowd…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Deepak Babu Sam , Neeraj N Sajjan , R. Venkatesh Babu

In high population cities, the gatherings of large crowds in public places and public areas accelerate or jeopardize people safety and transportation, which is a key challenge to the researchers. Although much research has been carried out…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Muhammad Siraj

Semi-supervised crowd counting is crucial for addressing the high annotation costs of densely populated scenes. Although several methods based on pseudo-labeling have been proposed, it remains challenging to effectively and accurately…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Maochen Yang , Zekun Li , Jian Zhang , Lei Qi , Yinghuan Shi

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

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

Transformer has been popular in recent crowd counting work since it breaks the limited receptive field of traditional CNNs. However, since crowd images always contain a large number of similar patches, the self-attention mechanism in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Hui Lin , Zhiheng Ma , Xiaopeng Hong , Qinnan Shangguan , Deyu Meng

Multi-modal crowd counting involves estimating crowd density from both visual and thermal/depth images. This task is challenging due to the significant gap between these distinct modalities. In this paper, we propose a novel approach by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Haoliang Meng , Xiaopeng Hong , Chenhao Wang , Miao Shang , Wangmeng Zuo

Precise knowledge about the size of a crowd, its density and flow can provide valuable information for safety and security applications, event planning, architectural design and to analyze consumer behavior. Creating a powerful machine…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Mahdi Maktabdar Oghaz , Anish R Khadka , Vasileios Argyriou , Paolo Remagnino

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…

Computer Vision and Pattern Recognition · Computer Science 2019-11-25 Hiroaki Minoura , Ryo Yonetani , Mai Nishimura , Yoshitaka Ushiku

With multiple crowd gatherings of millions of people every year in events ranging from pilgrimages to protests, concerts to marathons, and festivals to funerals; visual crowd analysis is emerging as a new frontier in computer vision. In…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Haroon Idrees , Muhmmad Tayyab , Kishan Athrey , Dong Zhang , Somaya Al-Maadeed , Nasir Rajpoot , Mubarak Shah

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…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Muhammad Asif Khan , Hamid Menouar , Ridha Hamila

Modern methods for counting people in crowded scenes rely on deep networks to estimate people densities in individual images. As such, only very few take advantage of temporal consistency in video sequences, and those that do only impose…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Weizhe Liu , Mathieu Salzmann , Pascal Fua

Crowd management technologies that leverage computer vision are widespread in contemporary times. There exists many security-related applications of these methods, including, but not limited to: following the flow of an array of people and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Soufien Hamrouni , Hakim Ghazzai , Hamid Menouar , Yahya Massoud

Recent sophisticated CNN-based algorithms have demonstrated their extraordinary ability to automate counting crowds from images, thanks to their structures which are designed to address the issue of various head scales. However, these…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Yiming Ma

Crowd image is arguably one of the most laborious data to annotate. In this paper, we devote to reduce the massive demand of densely labeled crowd data, and propose a novel weakly-supervised setting, in which we leverage the binary ranking…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Zheng Xiong , Liangyu Chai , Wenxi Liu , Yongtuo Liu , Sucheng Ren , Shengfeng He

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density in the image plane. While useful for this purpose, this image-plane density has no immediate physical meaning because it is…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Weizhe Liu , Krzysztof Lis , Mathieu Salzmann , Pascal Fua

Existing multi-view crowd counting and localization methods are evaluated under relatively small scenes with limited crowd numbers, camera views, and frames. This makes the evaluation and comparison of existing methods impractical, as small…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Qi Zhang , Daijie Chen , Yunfei Gong , Hui Huang

In this paper, we explore a strong baseline for crowd counting and an unsupervised people localization algorithm based on estimated density maps. Firstly, existing methods achieve state-of-the-art performance based on different backbones…

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

The existing crowd counting models require extensive training data, which is time-consuming to annotate. To tackle this issue, we propose a simple yet effective crowd counting method by utilizing the Segment-Everything-Everywhere Model…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Jia Wan , Qiangqiang Wu , Wei Lin , Antoni B. Chan

We propose a novel Enhanced Feature Aggregation and Selection network (EFASNet) for multi-person 2D human pose estimation. Due to enhanced feature representation, our method can well handle crowded, cluttered and occluded scenes. More…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Xixia Xu , Qi Zou , Xue Lin