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Crowd trajectory prediction plays a crucial role in public safety and management, where it can help prevent disasters such as stampedes. Recent works address the problem by predicting individual trajectories and considering surrounding…

人工智能 · 计算机科学 2026-03-20 Antonius Bima Murti Wijaya , Paul Henderson , Marwa Mahmoud

The performance of optical flow algorithms greatly depends on the specifics of the content and the application for which it is used. Existing and well established optical flow datasets are limited to rather particular contents from which…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Gregory Schröder , Tobias Senst , Erik Bochinski , Thomas Sikora

Automated scene analysis has been a topic of great interest in computer vision and cognitive science. Recently, with the growth of crowd phenomena in the real world, crowded scene analysis has attracted much attention. However, the visual…

计算机视觉与模式识别 · 计算机科学 2015-02-09 Teng Li , Huan Chang , Meng Wang , Bingbing Ni , Richang Hong , Shuicheng Yan

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

The two main data categories of vehicular traffic flow, stationary detector data and floating-car data, are also available for many Marathons and other mass-sports events: Loop detectors and other stationary data sources find their…

物理与社会 · 物理学 2016-10-12 Martin Treiber

Compared with single image based crowd counting, video provides the spatial-temporal information of the crowd that would help improve the robustness of crowd counting. But translation, rotation and scaling of people lead to the change of…

计算机视觉与模式识别 · 计算机科学 2019-07-19 Yanyan Fang , Biyun Zhan , Wandi Cai , Shenghua Gao , Bo Hu

The task of crowd counting is to automatically estimate the pedestrian number in crowd images. To cope with the scale and perspective changes that commonly exist in crowd images, state-of-the-art approaches employ multi-column CNN…

计算机视觉与模式识别 · 计算机科学 2018-02-08 Lu Zhang , Miaojing Shi , Qiaobo Chen

Due to its variety of applications in the real-world, the task of single image-based crowd counting has received a lot of interest in the recent years. Recently, several approaches have been proposed to address various problems encountered…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Vishwanath A. Sindagi , Rajeev Yasarla , Vishal M. Patel

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…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Yiming Ma

Forecasting human trajectories is critical for tasks such as robot crowd navigation and autonomous driving. Modeling social interactions is of great importance for accurate group-wise motion prediction. However, most existing methods do not…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Yuying Chen , Congcong Liu , Bertram Shi , Ming Liu

Crowd analysis via computer vision techniques is an important topic in the field of video surveillance, which has wide-spread applications including crowd monitoring, public safety, space design and so on. Pixel-wise crowd understanding is…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Qi Wang , Junyu Gao , Wei Lin , Yuan Yuan

Smart video sensors for applications related to surveillance and security are IOT-based as they use Internet for various purposes. Such applications include crowd behaviour monitoring and advanced decision support systems operating and…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Antoine Rimboux , Rob Dupre , Thomas Lagkas , Panagiotis Sarigiannidis , Paolo Remagnino , Vasileios Argyriou

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

Understanding crowd behaviors in a large social event is crucial for event management. Passive WiFi sensing, by collecting WiFi probe requests sent from mobile devices, provides a better way to monitor crowds compared with people counters…

社会与信息网络 · 计算机科学 2020-02-12 Yuren Zhou , Billy Pik Lik Lau , Zann Koh , Chau Yuen , Benny Kai Kiat Ng

Single image crowd counting is a challenging computer vision problem with wide applications in public safety, city planning, traffic management, etc. With the recent development of deep learning techniques, crowd counting has aroused much…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Haoyue Bai , Jiageng Mao , S. -H. Gary Chan

Deep learning occupies an undisputed dominance in crowd counting. In this paper, we propose a novel convolutional neural network (CNN) architecture called SegCrowdNet. Despite the complex background in crowd scenes, the proposeSegCrowdNet…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Jiwei Chen , Zengfu Wang

Crowd counting from a single image is a challenging task due to high appearance similarity, perspective changes and severe congestion. Many methods only focus on the local appearance features and they cannot handle the aforementioned…

计算机视觉与模式识别 · 计算机科学 2019-05-27 Junyu Gao , Qi Wang , Xuelong Li

Crowd flow prediction has been increasingly investigated in intelligent urban computing field as a fundamental component of urban management system. The most challenging part of predicting crowd flow is to measure the complicated…

机器学习 · 计算机科学 2020-02-25 Haoxing Lin , Weijia Jia , Yongjian You , Yiping Sun

Automated monitoring and analysis of passenger movement in safety-critical parts of transport infrastructures represent a relevant visual surveillance task. Recent breakthroughs in visual representation learning and spatial sensing opened…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Marco Wallner , Daniel Steininger , Verena Widhalm , Matthias Schörghuber , Csaba Beleznai

In this paper, we propose a new query-based detection framework for crowd detection. Previous query-based detectors suffer from two drawbacks: first, multiple predictions will be inferred for a single object, typically in crowded scenes;…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Anlin Zheng , Yuang Zhang , Xiangyu Zhang , Xiaojuan Qi , Jian Sun