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We present a novel trajectory prediction algorithm for pedestrians based on a personality-aware probabilistic feature map. This map is computed using a spatial query structure and each value represents the probability of the predicted…

Graphics · Computer Science 2019-11-04 Chaochao Li , Pei Lv , Mingliang Xu , Xinyu Wang , Dinesh Manocha , Bing Zhou , Meng Wang

The problem of automated crowd segmentation and counting has garnered significant interest in the field of video surveillance. This paper proposes a novel scene invariant crowd segmentation and counting algorithm designed with high accuracy…

Computer Vision and Pattern Recognition · Computer Science 2016-02-02 Parthipan Siva , Mohammad Javad Shafiee , Mike Jamieson , Alexander Wong

Crowd counting on static images is a challenging problem due to scale variations. Recently deep neural networks have been shown to be effective in this task. However, existing neural-networks-based methods often use the multi-column or…

Computer Vision and Pattern Recognition · Computer Science 2017-02-09 Lingke Zeng , Xiangmin Xu , Bolun Cai , Suo Qiu , Tong Zhang

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…

Machine Learning · Computer Science 2021-07-20 Koh Takeuchi , Ryo Nishida , Hisashi Kashima , Masaki Onishi

In this paper, we aim to monitor the flow of people in large public infrastructures. We propose an unsupervised methodology to cluster people flow patterns into the most typical and meaningful configurations. By processing 3D images from a…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 João Carvalho , Manuel Marques , João P. Costeira

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

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

Both pedestrian and robot comfort are of the highest priority whenever a robot is placed in an environment containing human beings. In the case of pedestrian-unaware mobile robots this desire for safety leads to the freezing robot problem,…

Robotics · Computer Science 2022-06-03 Emily Pruc , Shlomo Zilberstein , Joydeep Biswas

The increasing prevalence of gigapixel resolutions has presented new challenges for crowd counting. Such resolutions are far beyond the memory and computation limits of current GPUs, and available deep neural network architectures and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Arian Bakhtiarnia , Qi Zhang , Alexandros Iosifidis

The escalating process of urbanization has raised concerns about incidents arising from overcrowding, necessitating a deep understanding of large human crowd behavior and the development of effective crowd management strategies. This study…

Optimization and Control · Mathematics 2024-04-26 Samson Worku , Pratik Mullick

We address the problem of crowd localization, i.e., the prediction of dots corresponding to people in a crowded scene. Due to various challenges, a localization method is prone to spatial semantic errors, i.e., predicting multiple dots…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Shahira Abousamra , Minh Hoai , Dimitris Samaras , Chao Chen

Estimating crowd count in densely crowded scenes is an extremely challenging task due to non-uniform scale variations. In this paper, we propose a novel end-to-end cascaded network of CNNs to jointly learn crowd count classification and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Vishwanath A. Sindagi , Vishal M. Patel

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

We propose an attention-injective deformable convolutional network called ADCrowdNet for crowd understanding that can address the accuracy degradation problem of highly congested noisy scenes. ADCrowdNet contains two concatenated networks.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Ning Liu , Yongchao Long , Changqing Zou , Qun Niu , Li Pan , Hefeng Wu

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

In this paper, we present a data-driven approach to generate realistic steering behaviors for virtual crowds in crowd simulation. We take advantage of both rule-based models and data-driven models by applying the interaction patterns…

Graphics · Computer Science 2015-10-30 Mingbi Zhao

Navigation amongst densely packed crowds remains a challenge for mobile robots. The complexity increases further if the environment layout changes, making the prior computed global plan infeasible. In this paper, we show that it is possible…

This study investigates the dynamics of pedestrian crossing flows with varying crossing angles $\alpha$ to classify different scenarios and derive implications for crowd management. Probability density functions of four key…

Physics and Society · Physics 2024-12-03 Pratik Mullick

We conducted a simple experiment in which one pedestrian passed through a crowded area and measured the body-rotational angular velocity with commercial tablets. Then, we developed a new method for predicting crowd density by applying the…

Physics and Society · Physics 2019-03-20 Koki Nagao , Daichi Yanagisawa , Katsuhiro Nishinari

We present a novel procedural framework to generate an arbitrary number of labeled crowd videos (LCrowdV). The resulting crowd video datasets are used to design accurate algorithms or training models for crowded scene understanding. Our…

Computer Vision and Pattern Recognition · Computer Science 2016-07-05 Ernest Cheung , Tsan Kwong Wong , Aniket Bera , Xiaogang Wang , Dinesh Manocha