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In video prediction tasks, one major challenge is to capture the multi-modal nature of future contents and dynamics. In this work, we propose a simple yet effective framework that can efficiently predict plausible future states. The key…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Jingwei Xu , Huazhe Xu , Bingbing Ni , Xiaokang Yang , Trevor Darrell

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

In this work, we propose a novel crowd counting network that progressively generates crowd density maps via residual error estimation. The proposed method uses VGG16 as the backbone network and employs density map generated by the final…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Vishwanath A. Sindagi , Rajeev Yasarla , Vishal M. Patel

The simulation of pedestrian crowd that reflects reality is a major challenge for researches. Several crowd simulation models have been proposed such as cellular automata model, agent-based model, fluid dynamic model, etc. It is important…

多智能体系统 · 计算机科学 2017-08-15 Wonho Kang , Youngnam Han

Crowd counting is a task of estimating the number of the crowd through images, which is extremely valuable in the fields of intelligent security, urban planning, public safety management, and so on. However, the existing counting methods…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Zhiyuan Zhao , Yubin Wen , Siyu Yang , Lichen Ning , Yuandong Liu , Junyu Gao

Localizing individuals in crowds is more in accordance with the practical demands of subsequent high-level crowd analysis tasks than simply counting. However, existing localization based methods relying on intermediate representations…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Qingyu Song , Changan Wang , Zhengkai Jiang , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Yang Wu

Currently, the safety of people has become a very important problem in different places including subway station, universities, colleges, airport, shopping mall and square, city squares. Therefore, considering intelligence event detection…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Constantinou Miti , Demetriou Zatte , Siraj Sajid Gondal

Crowd navigation has received increasing attention from researchers over the last few decades, resulting in the emergence of numerous approaches aimed at addressing this problem to date. Our proposed approach couples agent motion prediction…

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…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Parth Kothari , Sven Kreiss , Alexandre Alahi

We study the problem of synthesizing a number of likely future frames from a single input image. In contrast to traditional methods that have tackled this problem in a deterministic or non-parametric way, we propose to model future frames…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Tianfan Xue , Jiajun Wu , Katherine L. Bouman , William T. Freeman

Crowd flow describes the elementary group behavior of crowds. Understanding the dynamics behind these movements can help to identify various abnormalities in crowds. However, developing a crowd model describing these flows is a challenging…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Shreetam Behera , Debi Prosad Dogra , Malay Kumar Bandyopadhyay , Partha Pratim Roy

The crowd counting task aims at estimating the number of people located in an image or a frame from videos. Existing methods widely adopt density maps as the training targets to optimize the point-to-point loss. While in testing phase, we…

计算机视觉与模式识别 · 计算机科学 2020-05-14 Xiyang Liu , Jie Yang , Wenrui Ding

Crowd scene analysis receives growing attention due to its wide applications. Grasping the accurate crowd location (rather than merely crowd count) is important for spatially identifying high-risk regions in congested scenes. In this paper,…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Yao Xue , Siming Liu , Yonghui Li , Xueming Qian

Unsupervised crowd counting is a challenging yet not largely explored task. In this paper, we explore it in a transfer learning setting where we learn to detect and count persons in an unlabeled target set by transferring bi-knowledge…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Yuting Liu , Zheng Wang , Miaojing Shi , Shin'ichi Satoh , Qijun Zhao , Hongyu Yang

Recently, density map regression-based methods have dominated in crowd counting owing to their excellent fitting ability on density distribution. However, further improvement tends to saturate mainly because of the confusing background…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Chenliang Gu , Changan Wang , Bin-Bin Gao , Jun Liu , Tianliang Zhang

Applications extracting data from crowdsourcing platforms must deal with the uncertainty of crowd answers in two different ways: first, by deriving estimates of the correct value from the answers; second, by choosing crowd questions whose…

数据库 · 计算机科学 2016-07-19 Antoine Amarilli , Yael Amsterdamer , Tova Milo

The simulation of the dynamical behavior of pedestrians and crowds in spatial structures is a consolidated research and application context that still presents challenges for researchers in different fields and disciplines. Despite…

多智能体系统 · 计算机科学 2016-08-18 Giuseppe Vizzari , Stefania Bandini

Modeling crowd behavior relies on accurate data of pedestrian movements at a high level of detail. Imaging sensors such as cameras provide a good basis for capturing such detailed pedestrian motion data. However, currently available…

计算机视觉与模式识别 · 计算机科学 2012-10-11 Stefan Seer , Norbert Brändle , Carlo Ratti

To navigate crowds without collisions, robots must interact with humans by forecasting their future motion and reacting accordingly. While learning-based prediction models have shown success in generating likely human trajectory…

机器人学 · 计算机科学 2025-07-08 Sepehr Samavi , Anthony Lem , Fumiaki Sato , Sirui Chen , Qiao Gu , Keijiro Yano , Angela P. Schoellig , Florian Shkurti

Human crowds exhibit a wide range of interesting patterns, and measuring them is of great interest in areas ranging from psychology and social science to civil engineering. While \textit{in situ} measurements of human crowd patterns require…

适应与自组织系统 · 物理学 2023-12-29 Zexu Li , Lei Fang