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This paper proposes a space-time multi-scale attention network (STANet) to solve density map estimation, localization and tracking in dense crowds of video clips captured by drones with arbitrary crowd density, perspective, and flight…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Longyin Wen , Dawei Du , Pengfei Zhu , Qinghua Hu , Qilong Wang , Liefeng Bo , Siwei Lyu

Drones or UAVs, equipped with different sensors, have been deployed in many places especially for urban traffic monitoring or last-mile delivery. It provides the ability to control the different aspects of traffic given real-time…

Computer Vision and Pattern Recognition · Computer Science 2020-09-17 George Adaimi , Sven Kreiss , Alexandre Alahi

Drone swarms coupled with data intelligence can be the future of wildfire fighting. However, drone swarm firefighting faces enormous challenges, such as the highly complex environmental conditions in wildfire scenes, the highly dynamic…

Computers and Society · Computer Science 2024-11-26 Shijie Pan , Aoran Cheng , Yiqi Sun , Kai Kang , Cristobal Pais , Yulun Zhou , Zuo-Jun Max Shen

As drone use has become more widespread, there is a critical need to ensure safety and security. A key element of this is robust and accurate drone detection and localization. While cameras and other optical sensors like LiDAR are commonly…

Robotics · Computer Science 2025-08-26 Yuan Fang , Fangzhan Shi , Xijia Wei , Qingchao Chen , Kevin Chetty , Simon Julier

To maintain the privacy of users' web browsing history, popular browsers encrypt their DNS traffic using the DNS-over-HTTPS (DoH) protocol. Unfortunately, encrypting DNS packets prevents many existing intrusion detection systems from using…

Cryptography and Security · Computer Science 2023-10-18 Sergio Salinas Monroy , Aman Kumar Gupta , Garrett Wahlstedt

Traffic congestion and violations pose significant challenges for urban mobility and road safety. Traditional traffic monitoring systems, such as fixed cameras and sensor-based methods, are often constrained by limited coverage, low…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Ali Khanpour , Tianyi Wang , Afra Vahidi-Shams , Wim Ectors , Farzam Nakhaie , Amirhossein Taheri , Christian Claudel

Autonomous missions of drones require continuous and reliable estimates for the drone's attitude, velocity, and position. Traditionally, these states are estimated by applying Extended Kalman Filter (EKF) to Accelerometer, Gyroscope,…

Signal Processing · Electrical Eng. & Systems 2021-09-13 Ahmed AbdulMajuid , Osama Mohamady , Mohannad Draz , Gamal El-bayoumi

The advancement of autonomous drones, essential for sectors such as remote sensing and emergency services, is hindered by the absence of training datasets that fully capture the environmental challenges present in real-world scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Benedikt Kolbeinsson , Krystian Mikolajczyk

Road network graphs provide critical information for autonomous-vehicle applications, such as drivable areas that can be used for motion planning algorithms. To find road network graphs, manually annotation is usually inefficient and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Zhenhua Xu , Yuxuan Liu , Lu Gan , Yuxiang Sun , Xinyu Wu , Ming Liu , Lujia Wang

In this paper, we consider the problem where a drone has to collect semantic information to classify multiple moving targets. In particular, we address the challenge of computing control inputs that move the drone to informative viewpoints,…

Robotics · Computer Science 2023-09-28 Álvaro Serra-Gómez , Eduardo Montijano , Wendelin Böhmer , Javier Alonso-Mora

Drones are becoming indispensable in many application domains. In data-driven missions, besides sensing, the drone must process the collected data at runtime to decide whether additional action must be taken on the spot, before moving to…

Robotics · Computer Science 2025-12-05 Giorgos Polychronis , Foivos Pournaropoulos , Christos D. Antonopoulos , Spyros Lalis

Navigating in environments where the GPS signal is unavailable, weak, purposefully blocked, or spoofed has become crucial for a wide range of applications. A prime example is autonomous navigation for drones in indoor environments: to fly…

Signal Processing · Electrical Eng. & Systems 2021-11-09 Alireza Famili , Angelos Stavrou , Haining Wang , Jung-Min , Park

Swarms of drones offer an increased sensing aperture, and having them mimic behaviors of natural swarms enhances sampling by adapting the aperture to local conditions. We demonstrate that such an approach makes detecting and tracking…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Rakesh John Amala Arokia Nathan , Sigrid Strand , Daniel Mehrwald , Dmitriy Shutin , Oliver Bimber

A network of unmanned aerial vehicles (UAVs) provides distributed coverage, reconfigurability, and maneuverability in performing complex cooperative tasks. However, it relies on wireless communications that can be susceptible to cyber…

Systems and Control · Electrical Eng. & Systems 2023-10-27 Rayan Bahrami , Hamidreza Jafarnejadsani

At a time when drones are increasingly associated with hostile operations, we re-purpose them for humanitarian and life-saving applications. However, adapting search and rescue drones for battlefield triage remains extremely challenging;…

Human-Computer Interaction · Computer Science 2026-05-19 Tasweer Ahmad , Rafael Pina , Sandip Pradhan , Arindam Sikdar , Mindula Illeperuma , Khizer Saeed , Peter Lee , Varuna De Silva , Ardhendu Behera

Integrated sensing and communication (ISAC) boosts network efficiency by using existing resources for diverse sensing applications. In this work, we propose a cell-free massive MIMO (multiple-input multiple-output)-ISAC framework to detect…

Information Theory · Computer Science 2025-01-28 Xinyue Li , Zinat Behdad , Ozan Alp Topal , Ozlem Tugfe Demir , Cicek Cavdar

Adhoc wireless network with their changing topology and distributed nature are more prone to intruders. The network monitoring functionality should be in operation as long as the network exists with nil constraints. The efficiency of an…

Networking and Internet Architecture · Computer Science 2013-12-10 Pokkuluri Kiran Sree , Inampudi Ramesh Babu

The use of delivery services is an increasing trend worldwide, further enhanced by the COVID pandemic. In this context, drone delivery systems are of great interest as they may allow for faster and cheaper deliveries. This paper presents a…

As networking attempts to cleanly separate the control plane and forwarding plane abstractions, it also defines a clear interface between these two layers. An underlying network state is represented as a view to act upon in the control…

Networking and Internet Architecture · Computer Science 2017-04-05 Bita Azimdoost , Cedric Westphal , Hamid R. Sadjadpour

Reliable drone detection is challenging due to limited annotated real-world data, large appearance variability, and the presence of visually similar distractors such as birds. To address these challenges, this paper introduces SimD3, a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Ami Pandat , Kanyala Muvva , Punna Rajasekhar , Gopika Vinod , Rohit Shukla