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Unmanned aerial vehicles (UAVs) operating within Flying Ad-hoc Networks (FANETs) encounter security challenges due to the dynamic and distributed nature of these networks. Previous studies focused predominantly on centralized intrusion…

Cryptography and Security · Computer Science 2025-06-27 Ozlem Ceviz , Pinar Sadioglu , Sevil Sen , Vassilios G. Vassilakis

Unsupervised graph representation learning aims to learn low-dimensional node embeddings without supervision while preserving graph topological structures and node attributive features. Previous graph neural networks (GNN) require a large…

Machine Learning · Computer Science 2020-09-04 Yanqiao Zhu , Yichen Xu , Feng Yu , Shu Wu , Liang Wang

The rapid proliferation of unmanned aerial vehicles (UAVs) and their applications in diverse domains, such as surveillance, disaster management, agriculture, and defense, have revolutionized modern technology. While the potential benefits…

Cryptography and Security · Computer Science 2025-12-01 Kanchon Gharami , Shafika Showkat Moni

Graph clustering has been popularly studied in recent years. However, most existing graph clustering methods focus on node-level clustering, i.e., grouping nodes in a single graph into clusters. In contrast, graph-level clustering, i.e.,…

Machine Learning · Computer Science 2023-11-27 Mengling Hu , Chaochao Chen , Weiming Liu , Xinyi Zhang , Xinting Liao , Xiaolin Zheng

The increasing demand for data usage in wireless communications requires using wider bands in the spectrum, especially for backhaul links. Yet, allocations in the spectrum for non-communication systems inhibit merging bands to achieve wider…

Machine Learning · Computer Science 2024-11-19 Kürşat Tekbıyık , Güneş Karabulut Kurt , Antoine Lesage-Landry

In this paper, the energy-efficient unmanned aerial vehicle (UAV) swarm assisted mobile edge computing (MEC) with dynamic clustering and scheduling is studied. In the considered system model, UAVs are divided into multiple swarms, with each…

Networking and Internet Architecture · Computer Science 2024-03-01 Jialiuyuan Li , Jiayuan Chen , Changyan Yi , Tong Zhang , Kun Zhu , Jun Cai

Aerial image classification is of great significance in remote sensing community, and many researches have been conducted over the past few years. Among these studies, most of them focus on categorizing an image into one semantic label,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Yuansheng Hua , Lichao Mou , Xiao Xiang Zhu

The use of supervised learning with various sensing techniques such as audio, visual imaging, thermal sensing, RADAR, and radio frequency (RF) have been widely applied in the detection of unmanned aerial vehicles (UAV) in an environment.…

Signal Processing · Electrical Eng. & Systems 2021-04-15 Olusiji O Medaiyese , Martins Ezuma , Adrian P Lauf , Ismail Guvenc

The proliferation of unmanned aerial vehicles (UAVs) has created urgent demand for precise UAV monitoring. Existing RGB-based systems rely on spatial cues that degrade at small scales, particularly with high inter-type similarity,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yihang Luo , Jun Chen , Chao Xiao , Yingqian Wang , Zhaoxu Li , Qiang Ling , Xu He , Nuo Chen , Gaowei Guo , Hongge Li , Miao Li , Longguang Wang , Yulan Guo , Li Liu , Wei An , Zhijie Chen

Synthetic aperture radar (SAR) imaging technology is commonly used to provide 24-hour all-weather earth observation. However, it still has some drawbacks in SAR target classification, especially in fine-grained classification of aircraft:…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Bingying Yue , Jianhao Li , Hao Shi , Yupei Wang , Honghu Zhong

Unmanned aerial vehicle (UAV) swarms are increasingly deployed in vast low-altitude applications, owing to their capabilities in distributed sensing, flexible communication, and autonomous coordination. Nevertheless, the open and highly…

Cryptography and Security · Computer Science 2026-05-27 Yuntao Wang , Haojia Yang , Han Liu , Jianle Ba , Zhou Su

In this article, we study the problem of air-to-ground ultra-reliable and low-latency communication (URLLC) for a moving ground user. This is done by controlling multiple unmanned aerial vehicles (UAVs) in real time while avoiding inter-UAV…

Multiagent Systems · Computer Science 2021-05-25 Won Joon Yun , Byungju Lim , Soyi Jung , Young-Chai Ko , Jihong Park , Joongheon Kim , Mehdi Bennis

Periodical inspection and maintenance of critical infrastructure such as dams, penstocks, and locks are of significant importance to prevent catastrophic failures. Conventional manual inspection methods require inspectors to climb along a…

Computer Vision and Pattern Recognition · Computer Science 2018-09-19 Ty Nguyen , Tolga Ozaslan , Ian D. Miller , James Keller , Giuseppe Loianno , Camillo J. Taylor , Daniel D. Lee , Vijay Kumar , Joseph H. Harwood , Jennifer Wozencraft

Existing methods for object detection in UAV images ignored an important challenge - imbalanced class distribution in UAV images - which leads to poor performance on tail classes. We systematically investigate existing solutions to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Weiping Yu , Taojiannan Yang , Chen Chen

The rise of unmanned aerial vehicle (UAV) operations, as well as the vulnerability of the UAVs' sensors, has led to the need for proper monitoring systems for detecting any abnormal behavior of the UAV. This work addresses this problem by…

Systems and Control · Electrical Eng. & Systems 2023-10-18 Antreas Palamas , Nicolas Souli , Tania Panayiotou , Panayiotis Kolios , Georgios Ellinas

Multi-view subspace clustering (MSC) is a popular unsupervised method by integrating heterogeneous information to reveal the intrinsic clustering structure hidden across views. Usually, MSC methods use graphs (or affinity matrices) fusion…

Machine Learning · Computer Science 2023-08-15 Yidi Wang , Xiaobing Pei , Haoxi Zhan

This study investigates the problem of multi-view subspace clustering, the goal of which is to explore the underlying grouping structure of data collected from different fields or measurements. Since data do not always comply with the…

Machine Learning · Computer Science 2021-03-25 Qinghai Zheng , Jihua Zhu , Yuanyuan Ma , Zhongyu Li , Zhiqiang Tian

Unsupervised feature selection (UFS) is an important task in data engineering. However, most UFS methods construct models from a single perspective and often fail to simultaneously evaluate feature importance and preserve their inherent…

Machine Learning · Computer Science 2025-05-28 Jingjing Liu , Xiansen Ju , Xianchao Xiu , Wanquan Liu

The usage of unmanned aerial vehicles (UAVs) in civil and military applications continues to increase due to the numerous advantages that they provide over conventional approaches. Despite the abundance of such advantages, it is imperative…

Machine Learning · Computer Science 2021-08-25 Ilyes Mrad , Lutfi Samara , Alaa Awad Abdellatif , Abubakr Al-Abbasi , Ridha Hamila , Aiman Erbad

Current self-supervised learning (SSL) methods (e.g., SimCLR, DINO, VICReg,MOCOv3) target primarily on representations at instance level and do not generalize well to dense prediction tasks, such as object detection and segmentation.Towards…

Machine Learning · Computer Science 2023-11-07 Qing Su , Anton Netchaev , Hai Li , Shihao Ji