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Related papers: Drone-based Joint Density Map Estimation, Localiza…

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Full body trackers are utilized for surveillance and security purposes, such as person-tracking robots. In the Middle East, uniform crowd environments are the norm which challenges state-of-the-art trackers. Despite tremendous improvements…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Zhibo Zhang , Omar Alremeithi , Maryam Almheiri , Marwa Albeshr , Xiaoxiong Zhang , Sajid Javed , Naoufel Werghi

Accurately estimating urban rail platform occupancy can enhance transit agencies' ability to make informed operational decisions, thereby improving safety, operational efficiency, and customer experience, particularly in the context of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Riccardo Fiorista , Awad Abdelhalim , Anson F. Stewart , Gabriel L. Pincus , Ian Thistle , Jinhua Zhao

Modern crowd counting methods usually employ deep neural networks (DNN) to estimate crowd counts via density regression. Despite their significant improvements, the regression-based methods are incapable of providing the detection of…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Yuting Liu , Miaojing Shi , Qijun Zhao , Xiaofang Wang

In this paper we present a large-scale visual object detection and tracking benchmark, named VisDrone2018, aiming at advancing visual understanding tasks on the drone platform. The images and video sequences in the benchmark were captured…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Pengfei Zhu , Longyin Wen , Xiao Bian , Haibin Ling , Qinghua Hu

Tracking humans in crowded video sequences is an important constituent of visual scene understanding. Increasing crowd density challenges visibility of humans, limiting the scalability of existing pedestrian trackers to higher crowd…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Ramana Sundararaman , Cedric De Almeida Braga , Eric Marchand , Julien Pettre

We present a pedestrian tracking algorithm, DensePeds, that tracks individuals in highly dense crowds (greater than 2 pedestrians per square meter). Our approach is designed for videos captured from front-facing or elevated cameras. We…

Robotics · Computer Science 2019-07-30 Rohan Chandra , Uttaran Bhattacharya , Aniket Bera , Dinesh Manocha

Compared with the generic scenes, crowded scenes contain highly-overlapped instances, which result in: 1) more ambiguous anchors during training of object detectors, and 2) more predictions are likely to be mistakenly suppressed in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Chenyang Zhao , Jia Wan , Antoni B. Chan

We present the pedestrian patterns dataset for autonomous driving. The dataset was collected by repeatedly traversing the same three routes for one week starting at different specific timeslots. The purpose of the dataset is to capture the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Kasra Mokhtari , Alan R. Wagner

The existing crowd counting methods usually adopted attention mechanism to tackle background noise, or applied multi-level features or multi-scales context fusion to tackle scale variation. However, these approaches deal with these two…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Fusen Wang , Jun Sang , Zhongyuan Wu , Qi Liu , Nong Sang

Region of Interest (ROI) crowd counting can be formulated as a regression problem of learning a mapping from an image or a video frame to a crowd density map. Recently, convolutional neural network (CNN) models have achieved promising…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Feng Xiong , Xingjian Shi , Dit-Yan Yeung

High-density object counting in surveillance scenes is challenging mainly due to the drastic variation of object scales. The prevalence of deep learning has largely boosted the object counting accuracy on several benchmark datasets.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Muming Zhao , Jian Zhang , Chongyang Zhang , Wenjun Zhang

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…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Antoine Rimboux , Rob Dupre , Thomas Lagkas , Panagiotis Sarigiannidis , Paolo Remagnino , Vasileios Argyriou

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…

Physics and Society · Physics 2016-10-12 Martin Treiber

This paper explores the process of designing an automatic multi-sensor drone detection system. Besides the common video and audio sensors, the system also includes a thermal infrared camera, which is shown to be a feasible solution to the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Fredrik Svanstrom , Cristofer Englund , Fernando Alonso-Fernandez

Deep learning-based crowd counting methods have achieved remarkable progress in recent years. However, in complex crowd scenarios, existing models still face challenges when adapting to significant density distribution differences between…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Yihong Wu , Jinqiao Wei , Xionghui Zhao , Yidi Li , Shaoyi Du , Bin Ren , Nicu Sebe

A lot a research is focused on object detection and it has achieved significant advances with deep learning techniques in recent years. Inspite of the existing research, these algorithms are not usually optimal for dealing with sequences or…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Ajit Jadhav , Prerana Mukherjee , Vinay Kaushik , Brejesh Lall

We present an improved clustering based, unsupervised anomalous trajectory detection algorithm for crowded scenes. The proposed work is based on four major steps, namely, extraction of trajectories from crowded scene video, extraction of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Deepan Das , Deepak Mishra

Drone detection has benefited from improvements in deep neural networks, but like many other applications, suffers from the availability of accurate data for training. Synthetic data provides a potential for low-cost data generation and has…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Mariusz Wisniewski , Zeeshan A. Rana , Ivan Petrunin , Alan Holt , Stephen Harman

Most existing crowd counting methods require object location-level annotation, i.e., placing a dot at the center of an object. While being simpler than the bounding-box or pixel-level annotation, obtaining this annotation is still…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Yinjie Lei , Yan Liu , Pingping Zhang , Lingqiao Liu

We introduce a detection framework for dense crowd counting and eliminate the need for the prevalent density regression paradigm. Typical counting models predict crowd density for an image as opposed to detecting every person. These…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Deepak Babu Sam , Skand Vishwanath Peri , Mukuntha Narayanan Sundararaman , Amogh Kamath , R. Venkatesh Babu