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In recent years, with the progress of deep learning technologies, crowd counting has been rapidly developed. In this work, we propose a simple yet effective crowd counting framework that is able to achieve the state-of-the-art performance…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Yue Gu , Wenxi Liu

Crowd counting from unconstrained scene images is a crucial task in many real-world applications like urban surveillance and management, but it is greatly challenged by the camera's perspective that causes huge appearance variations in…

计算机视觉与模式识别 · 计算机科学 2018-07-03 Lingbo Liu , Hongjun Wang , Guanbin Li , Wanli Ouyang , Liang Lin

Labeling is onerous for crowd counting as it should annotate each individual in crowd images. Recently, several methods have been proposed for semi-supervised crowd counting to reduce the labeling efforts. Given a limited labeling budget,…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Yongtuo Liu , Sucheng Ren , Liangyu Chai , Hanjie Wu , Jing Qin , Dan Xu , Shengfeng He

Automatic estimation of the number of people in unconstrained crowded scenes is a challenging task and one major difficulty stems from the huge scale variation of people. In this paper, we propose a novel Deep Structured Scale Integration…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Lingbo Liu , Zhilin Qiu , Guanbin Li , Shufan Liu , Wanli Ouyang , Liang Lin

Crowd counting in still images is a challenging problem in practice due to huge crowd-density variations, large perspective changes, severe occlusion, and variable lighting conditions. The state-of-the-art patch rescaling module (PRM) based…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Usman Sajid , Wenchi Ma , Guanghui Wang

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…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Viresh Ranjan , Mubarak Shah , Minh Hoai Nguyen

To alleviate the heavy annotation burden for training a reliable crowd counting model and thus make the model more practicable and accurate by being able to benefit from more data, this paper presents a new semi-supervised method based on…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Yifei Qian , Xiaopeng Hong , Zhongliang Guo , Ognjen Arandjelović , Carl R. Donovan

Crowd localization plays a crucial role in visual scene understanding towards predicting each pedestrian location in a crowd, thus being applicable to various downstream tasks. However, existing approaches suffer from significant…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Juncheng Wang , Lei Shang , Ziqi Liu , Wang Lu , Xixu Hu , Zhe Hu , Jindong Wang , Shujun Wang

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

Most existing crowd counting systems rely on the availability of the object location annotation which can be expensive to obtain. To reduce the annotation cost, one attractive solution is to leverage a large number of unlabeled images to…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Yan Liu , Lingqiao Liu , Peng Wang , Pingping Zhang , Yinjie Lei

Multi-modal crowd counting is a crucial task that uses multi-modal cues to estimate the number of people in crowded scenes. To overcome the gap between different modalities, we propose a modal emulation-based two-pass multi-modal…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Chenhao Wang , Xiaopeng Hong , Zhiheng Ma , Yupeng Wei , Yabin Wang , Xiaopeng Fan

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…

计算机视觉与模式识别 · 计算机科学 2018-06-14 Di Kang , Zheng Ma , Antoni B. Chan

This paper presents a new approach to crowd behaviour anomaly detection that uses a set of efficiently computed, easily interpretable, scene-level holistic features. This low-dimensional descriptor combines two features from the literature:…

计算机视觉与模式识别 · 计算机科学 2016-06-17 M. Marsden , K. McGuinness , S. Little , N. E. O'Connor

Crowd movement guidance has been a fascinating problem in various fields, such as easing traffic congestion in unusual events and evacuating people from an emergency-affected area. To grab the reins of crowds, there has been considerable…

机器学习 · 计算机科学 2021-07-20 Koh Takeuchi , Ryo Nishida , Hisashi Kashima , Masaki Onishi

In this paper, we present a novel method to recognize the types of crowd movement from crowd trajectories using agent-based motion models (AMMs). Our idea is to apply a number of AMMs, referred to as exemplar-AMMs, to describe the crowd…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Wenxi Liu , Rynson W. H. Lau , Xiaogang Wang , Dinesh Manocha

Crowd localization is to predict each instance head position in crowd scenarios. Since the distance of instances being to the camera are variant, there exists tremendous gaps among scales of instances within an image, which is called the…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Juncheng Wang , Junyu Gao , Yuan Yuan , Qi Wang

Video-based high-density crowd analysis and prediction has been a long-standing topic in computer vision. It is notoriously difficult due to, but not limited to, the lack of high-quality data and complex crowd dynamics. Consequently, it has…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Feixiang He , Jiangbei Yue , Jialin Zhu , Armin Seyfried , Dan Casas , Julien Pettré , He Wang

Crowd segmentation is a fundamental task serving as the basis of crowded scene analysis, and it is highly desirable to obtain refined pixel-level segmentation maps. However, it remains a challenging problem, as existing approaches either…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Jinhai Yang , Hua Yang

Cluster analysis has become one of the most exercised research areas over the past few decades in computer science. As a consequence, numerous clustering algorithms have already been developed to find appropriate partitions of a set of…

人机交互 · 计算机科学 2016-10-26 Abhisek Dash , Sujoy Chatterjee , Tripti Prasad , Malay Bhattacharyya

We present a method for image-based crowd counting, one that can predict a crowd density map together with the uncertainty values pertaining to the predicted density map. To obtain prediction uncertainty, we model the crowd density values…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Viresh Ranjan , Boyu Wang , Mubarak Shah , Minh Hoai