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Accurate detection and tracking of objects is vital for effective video understanding. In previous work, the two tasks have been combined in a way that tracking is based heavily on detection, but the detection benefits marginally from the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Zheng Zhang , Dazhi Cheng , Xizhou Zhu , Stephen Lin , Jifeng Dai

Multi-camera tracking plays a pivotal role in various real-world applications. While end-to-end methods have gained significant interest in single-camera tracking, multi-camera tracking remains predominantly reliant on heuristic techniques.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Alexandru Niculescu-Mizil , Deep Patel , Iain Melvin

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 counting is a challenging yet critical task in computer vision with applications ranging from public safety to urban planning. Recent advances using Convolutional Neural Networks (CNNs) that estimate density maps have shown…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Abhinav Sagar

Detecting tiny objects in a high-resolution video is challenging because the visual information is little and unreliable. Specifically, the challenge includes very low resolution of the objects, MPEG artifacts due to compression and a large…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Ryota Yoshihashi , Rei Kawakami , Shaodi You , Tu Tuan Trinh , Makoto Iida , Takeshi Naemura

Dynamic obstacle avoidance is one crucial component for compliant navigation in crowded environments. In this paper we present a system for accurate and reliable detection and tracking of dynamic objects using noisy point cloud data…

Robotics · Computer Science 2020-07-22 Thomas Eppenberger , Gianluca Cesari , Marcin Dymczyk , Roland Siegwart , Renaud Dubé

Detecting anomalies in crowded scenes is challenging due to severe inter-person occlusions and highly dynamic, context-dependent motion patterns. Existing approaches often struggle to adapt to varying crowd densities and lack interpretable…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Fatima AlGhamdi , Omar Alharbi , Abdullah Aldwyish , Raied Aljadaany , Muhammad Kamran J Khan , Huda Alamri

Multi-camera tracking systems are gaining popularity in applications that demand high-quality tracking results, such as frictionless checkout because monocular multi-object tracking (MOT) systems often fail in cluttered and crowded…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Xiaotian Han , Quanzeng You , Chunyu Wang , Zhizheng Zhang , Peng Chu , Houdong Hu , Jiang Wang , Zicheng Liu

Conventional multi-object tracking (MOT) systems are predominantly designed for pedestrian tracking and often exhibit limited generalization to other object categories. This paper presents a generalized tracking framework capable of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Hamidreza Hashempoor , Yu Dong Hwang

Multi-camera full-body pose capture of humans and animals in outdoor environments is a highly challenging problem. Our approach to it involves a team of cooperating micro aerial vehicles (MAVs) with on-board cameras only. The key…

Robotics · Computer Science 2023-12-21 Eric Price , Guilherme Lawless , Heinrich H. Bülthoff , Michael Black , Aamir Ahmad

Despite previous DETR-like methods having performed successfully in generic object detection, tiny object detection is still a challenging task for them since the positional information of object queries is not customized for detecting tiny…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Yi-Xin Huang , Hou-I Liu , Hong-Han Shuai , Wen-Huang Cheng

Effective tracking of surrounding traffic participants allows for an accurate state estimation as a necessary ingredient for prediction of future behavior and therefore adequate planning of the ego vehicle trajectory. One approach for…

Robotics · Computer Science 2024-06-04 Patrick Palmer , Martin Krüger , Richard Altendorfer , Torsten Bertram

Drone detection is a challenging object detection task where visibility conditions and quality of the images may be unfavorable, and detections might become difficult due to complex backgrounds, small visible objects, and hard to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Ogulcan Eryuksel , Kamil Anil Ozfuttu , Fatih Cagatay Akyon , Kadir Sahin , Efe Buyukborekci , Devrim Cavusoglu , Sinan Altinuc

This paper reports a visible and thermal drone monitoring system that integrates deep-learning-based detection and tracking modules. The biggest challenge in adopting deep learning methods for drone detection is the paucity of training…

Computer Vision and Pattern Recognition · Computer Science 2018-12-21 Ye Wang , Yueru Chen , Jongmoo Choi , C. -C. Jay Kuo

The growing ubiquity of drones has raised concerns over the ability of traditional air-space monitoring technologies to accurately characterise such vehicles. Here, we present a CNN using a decision tree and ensemble structure to fully…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Stirling Scholes , Alice Ruget , German Mora-Martin , Feng Zhu , Istvan Gyongy , Jonathan Leach

A common sensing problem is to use a set of stationary tracking locations to monitor a collection of moving devices: Given $n$ objects that need to be tracked, each following its own trajectory, and $m$ stationary traffic control stations,…

Computational Geometry · Computer Science 2026-03-06 Chek-Manh Loi , Michael Perk , Malte Hoffmann , Sándor Fekete

We present a novel, realtime algorithm to compute the trajectory of each pedestrian in moderately dense crowd scenes. Our formulation is based on an adaptive particle filtering scheme that uses a multi-agent motion model based on…

Computer Vision and Pattern Recognition · Computer Science 2014-02-13 Aniket Bera , Dinesh Manocha

The problem of multi-object tracking is a fundamental computer vision research focus, widely used in public safety, transport, autonomous vehicles, robotics, and other regions involving artificial intelligence. Because of the complexity of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Kai Ren , Chuanping Hu

We present DenseCAvoid, a novel navigation algorithm for navigating a robot through dense crowds and avoiding collisions by anticipating pedestrian behaviors. Our formulation uses visual sensors and a pedestrian trajectory prediction…

Significant progress has been achieved in multi-object tracking (MOT) through the evolution of detection and re-identification (ReID) techniques. Despite these advancements, accurately tracking objects in scenarios with homogeneous…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Changcheng Xiao , Qiong Cao , Yujie Zhong , Long Lan , Xiang Zhang , Zhigang Luo , Dacheng Tao