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Related papers: JHU-CROWD++: Large-Scale Crowd Counting Dataset an…

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Crowd counting is to estimate the number of objects (e.g., people or vehicles) in an image of unconstrained congested scenes. Designing a general crowd counting algorithm applicable to a wide range of crowd images is challenging, mainly due…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Haoyue Bai , Song Wen , S. -H. Gary Chan

Crowd counting is a challenging task due to the large variations in crowd distributions. Previous methods tend to tackle the whole image with a single fixed structure, which is unable to handle diverse complicated scenes with different…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Zhikang Zou , Yu Cheng , Xiaoye Qu , Shouling Ji , Xiaoxiao Guo , Pan Zhou

Crowd scene analysis has received a lot of attention recently due to the wide variety of applications, for instance, forensic science, urban planning, surveillance and security. In this context, a challenging task is known as crowd…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Rodolfo Quispe , Darwin Ttito , Adín Ramírez Rivera , Helio Pedrini

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

Background noise and scale variation are common problems that have been long recognized in crowd counting. Humans glance at a crowd image and instantly know the approximate number of human and where they are through attention the crowd…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Yuehai Chen , Jing Yang , Dong Zhang , Kun Zhang , Badong Chen , Shaoyi Du

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

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

Modern, state-of-the-art deep learning approaches yield human like performance in numerous object detection and classification tasks. The foundation for their success is the availability of training datasets of substantially high quantity,…

We propose a novel crowd counting approach that leverages abundantly available unlabeled crowd imagery in a learning-to-rank framework. To induce a ranking of cropped images , we use the observation that any sub-image of a crowded scene…

Computer Vision and Pattern Recognition · Computer Science 2018-03-09 Xialei Liu , Joost van de Weijer , Andrew D. Bagdanov

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

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…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Feng Dai , Hao Liu , Yike Ma , Juan Cao , Qiang Zhao , Yongdong Zhang

Crowd counting presents enormous challenges in the form of large variation in scales within images and across the dataset. These issues are further exacerbated in highly congested scenes. Approaches based on straightforward fusion of…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Vishwanath A Sindagi , Vishal M. Patel

Crowd anomaly detection is one of the most popular topics in computer vision in the context of smart cities. A plethora of deep learning methods have been proposed that generally outperform other machine learning solutions. Our review…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Md. Haidar Sharif , Lei Jiao , Christian W. Omlin

Most existing mobile robotic datasets primarily capture static scenes, limiting their utility for evaluating robotic performance in dynamic environments. To address this, we present a mobile robot oriented large-scale indoor dataset,…

Robotics · Computer Science 2024-12-12 Zeshun Li , Fuhao Li , Wanting Zhang , Zijie Zheng , Xueping Liu , Yongjin Liu , Long Zeng

In recent years, vision-based crowd analysis has been studied extensively due to its practical applications in real world. In this paper, we formulate a novel crowd analysis problem, in which we aim to predict the crowd distribution in the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Yuzhen Niu , Weifeng Shi , Wenxi Liu , Shengfeng He , Jia Pan , Antoni B. Chan

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

Since the past few decades, human trajectory forecasting has been a field of active research owing to its numerous real-world applications: evacuation situation analysis, deployment of intelligent transport systems, traffic operations, to…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Parth Kothari , Sven Kreiss , Alexandre Alahi

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…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Shaokai Wu , Fengyu Yang

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

Recently, the research of wireless sensing has achieved more intelligent results, and the intelligent sensing of human location and activity can be realized by means of WiFi devices. However, most of the current human environment perception…

Machine Learning · Computer Science 2019-03-14 Shangqing Liu , Yanchao Zhao , Fanggang Xue , Bing Chen , Xiang Chen