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In this paper, we propose a ground-based monocular UAV localisation system that detects and localises an LED marker attached to the underside of a UAV. Our system removes the need for extensive infrastructure and calibration unlike existing…

机器人学 · 计算机科学 2023-11-07 Xueyan Oh , Ryan Lim , Leonard Loh , Chee How Tan , Shaohui Foong , U-Xuan Tan

This paper investigates the problem of classification of unmanned aerial vehicles (UAVs) from radio frequency (RF) fingerprints at the low signal-to-noise ratio (SNR) regime. We use convolutional neural networks (CNNs) trained with both RF…

信号处理 · 电气工程与系统科学 2020-09-22 Ender Ozturk , Fatih Erden , Ismail Guvenc

State-of-the-art object detection approaches such as Fast/Faster R-CNN, SSD, or YOLO have difficulties detecting dense, small targets with arbitrary orientation in large aerial images. The main reason is that using interpolation to align…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Wentong Liao , Xiang Chen , Jingfeng Yang , Stefan Roth , Michael Goesele , Michael Ying Yang , Bodo Rosenhahn

Ultra-wideband (UWB) is the state-of-the-art and most popular technology for wireless localization. Nevertheless, precise ranging and localization in non-line-of-sight (NLoS) conditions is still an open research topic. Indeed, multipath…

机器学习 · 计算机科学 2021-05-06 Simone Angarano , Vittorio Mazzia , Francesco Salvetti , Giovanni Fantin , Marcello Chiaberge

Recently, change detection methods for synthetic aperture radar (SAR) images based on convolutional neural networks (CNN) have gained increasing research attention. However, existing CNN-based methods neglect the interactions among…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Desen Meng , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Non-Line-of-Sight (NLOS) imaging aims at recovering the 3D geometry of objects that are hidden from the direct line of sight. In the past, this method has suffered from the weak available multibounce signal limiting scene size, capture…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Ji Hyun Nam , Eric Brandt , Sebastian Bauer , Xiaochun Liu , Eftychios Sifakis , Andreas Velten

In this work, we consider a multi-unmanned aerial vehicle (UAV) cooperative sensing system where UAVs are deployed to sense multiple targets in terrain-aware line of sight (LoS) conditions in uneven terrain equipped with directional…

网络与互联网体系结构 · 计算机科学 2025-11-05 Rushi Moliya , Dhaval K. Patel , Brijesh Soni , Miguel López-Benítez

For emergency response scenarios like firefighting in urban environments, there is a need to both localize emergency responders inside the building and also support a high bandwidth communication link between the responders and a…

信号处理 · 电气工程与系统科学 2025-01-15 Gaurav Duggal , R. Michael Buehrer , Nishith Tripathi , Jeffrey H. Reed

Synthetic Aperture Radar (SAR) images are prone to be contaminated by noise, which makes it very difficult to perform target recognition in SAR images. Inspired by great success of very deep convolutional neural networks (CNNs), this paper…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Moussa Amrani , Abdelatif Bey , Abdenour Amamra

Accurate lane localization and lane change detection are crucial in advanced driver assistance systems and autonomous driving systems for safer and more efficient trajectory planning. Conventional localization devices such as Global…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Zhensong Wei , Chao Wang , Peng Hao , Matthew Barth

Supporting reliable and seamless wireless connectivity for unmanned aerial vehicles (UAVs) has recently become a critical requirement to enable various different use cases of UAVs. Due to their widespread deployment footprint, cellular…

信号处理 · 电气工程与系统科学 2021-07-05 Sung Joon Maeng , Yavuz Yapıcı , İsmail Güvenç , Arupjyoti Bhuyan , Huaiyu Dai

In this paper, a novel approach that uses an unmanned aerial vehicle (UAV)-carried intelligent reflector (IR) is proposed to enhance the performance of millimeter wave (mmW) networks. In particular, the UAV-IR is used to intelligently…

信息论 · 计算机科学 2019-08-21 Qianqian Zhang , Walid Saad , Mehdi Bennis

In wireless sensor networks (WSNs), utilizing the unmanned aerial vehicle (UAV) as a mobile data collector for the ground sensor nodes (SNs) is an energy-efficient technique to prolong the network lifetime. Specifically, since the UAV can…

信息论 · 计算机科学 2017-08-02 Cheng Zhan , Yong Zeng , Rui Zhang

We propose a novel method for geolocalizing Unmanned Aerial Vehicles (UAVs) in environments lacking Global Navigation Satellite Systems (GNSS). Current state-of-the-art techniques employ an offline-trained encoder to generate a vector…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Theo Di Piazza , Enric Meinhardt-Llopis , Gabriele Facciolo , Benedicte Bascle , Corentin Abgrall , Jean-Clement Devaux

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

信息论 · 计算机科学 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

This letter introduces a novel unmanned aerial vehicle (UAV)-intelligent reflecting surface (IRS) structure into near-field localization systems to enhance the design flexibility of IRS, thereby obtaining additional performance gains.…

信号处理 · 电气工程与系统科学 2024-04-25 Hanfu Zhang , Yidan Mei , Erwu Liu , Rui Wang

Unmanned Aerial Vehicles (UAV) have been standing out due to the wide range of applications in which they can be used autonomously. However, they need intelligent systems capable of providing a greater understanding of what they perceive to…

机器人学 · 计算机科学 2022-09-15 Matheus G. Mateus , Ricardo B. Grando , Paulo L. J. Drews-Jr

Non-line-of-sight (NLOS) imaging aims at reconstructing targets obscured from the direct line of sight. Existing NLOS imaging algorithms require dense measurements at rectangular grid points in a large area of the relay surface, which…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Xintong Liu , Jianyu Wang , Leping Xiao , Zuoqiang Shi , Xing Fu , Lingyun Qiu

Deployment of cellular networks in urban areas requires addressing various challenges. For example, high-rise buildings with varying geometrical shapes and heights contribute to signal attenuation, reflection, diffraction, and scattering…

信号处理 · 电气工程与系统科学 2025-04-02 Mushfiqur Rahman , Ismail Guvenc , David Ramirez , Chau-Wai Wong

Reconfigurable intelligent surface (RIS) is an emerging technology that is used to improve the system performance in beyond 5G systems. In this letter, we propose a novel convolutional neural network (CNN)-based autoencoder to jointly…

机器学习 · 计算机科学 2025-03-19 Nipuni Ginige , Nandana Rajatheva , Matti Latva-aho