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This paper addresses the challenge of energy-constrained maritime monitoring networks by proposing an unmanned aerial vehicle (UAV)-enabled integrated sensing, communication, powering and backhaul transmission scheme with a tailored…

Signal Processing · Electrical Eng. & Systems 2025-06-02 Bohan Li , Jiahao Liu , Yujun Liang , Qian Li , Haochen Liu , Yaoyuan Zhang , Junsheng Mu , Shahid Mumtaz , Sheng Chen

This paper introduces the deployment of unmanned aerial vehicles (UAVs) as lightweight wireless access points that leverage the fixed infrastructure in the context of the emerging open radio access network (O-RAN). More precisely, we…

Systems and Control · Electrical Eng. & Systems 2022-11-22 Hossein Mohammadi , Vuk Marojevic , Bodong Shang

The employment of unmanned aerial vehicles (UAVs) in the lowaltitude economy necessitates precise and real-time radio maps for reliable communication and safe navigation. However, constructing such maps is hindered by the infeasibility of…

Signal Processing · Electrical Eng. & Systems 2025-09-18 Hao Sun , Shicong Liu , Xianghao Yu , Ying Sun

Monocular depth estimation (MDE) is a fundamental task in many applications such as scene understanding and reconstruction. However, most of the existing methods rely on accurately labeled datasets. A weakly-supervised framework based on…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Fang Gao , Jiabao Wang , Jun Yu , Yaoxiong Wang , Feng Shuang

Full-waveform inversion (FWI) is a powerful geophysical imaging technique that infers high-resolution subsurface physical parameters by solving a non-convex optimization problem. However, due to limitations in observation, e.g., limited…

Numerical Analysis · Mathematics 2023-11-09 Xiong-Bin Yan , Keke Wu , Zhi-Qin John Xu , Zheng Ma

High-Frequency (HF) signals are ubiquitous in the industrial world and are of great use for monitoring of industrial assets. Most deep learning tools are designed for inputs of fixed and/or very limited size and many successful applications…

Machine Learning · Computer Science 2022-03-03 Gabriel Michau , Gaetan Frusque , Olga Fink

Ultrasonic guided wave technology has played a significant role in the field of non-destructive testing as it employs acoustic waves that have advantages of high propagation efficiency and low energy consumption during the inspect process.…

Computational Engineering, Finance, and Science · Computer Science 2020-09-15 Qi Li , Yihui Da , Yinghong Zhang , Bin Wang , Dianzi Liu , Zhenghua Qian

The precision of shape representation and the dimensionality of the design space significantly influence the cost and outcomes of aerodynamic optimization. The design space can be represented more compactly by maintaining geometric…

Optimization and Control · Mathematics 2025-04-03 Junlin Li , Yang Zhang , Bo Pang , Junqiang Bai , Jiakuan Xu

Background: Underwater images, in general, suffer from low contrast and high color distortions due to the non-uniform attenuation of the light as it propagates through the water. In addition, the degree of attenuation varies with the…

Image and Video Processing · Electrical Eng. & Systems 2022-01-20 Prasen Kumar Sharma , Ira Bisht , Arijit Sur

Underwater Acoustic (UWA) networks are vital for remote sensing and ocean exploration but face inherent challenges such as limited bandwidth, long propagation delays, and highly dynamic channels. These constraints hinder real-time…

Networking and Internet Architecture · Computer Science 2026-03-24 Fabio Busacca , Andrea Panebianco , Yin Sun

This article explores the concepts of ocean wave multivariate multistep forecasting, reconstruction and feature selection. We introduce recurrent neural network frameworks, integrated with Bayesian hyperparameter optimization and Elastic…

Machine Learning · Computer Science 2020-03-03 Mohammad Pirhooshyaran , Lawrence V. Snyder

Unmanned aerial vehicles (UAVs), especially fixed-wing ones that withstand strong winds, have great potential for oceanic exploration and research. This paper studies a UAV-aided maritime data collection system with a fixed-wing UAV…

Information Theory · Computer Science 2021-12-28 Yifan Zhang , Jiangbin Lyu , Liqun Fu

We present a framework for forecasting significant wave height on the Southwestern Atlantic Ocean using the long short-term memory algorithm (LSTM), trained with the ERA5 database available through Copernicus Climate Data Store (CDS)…

Atmospheric and Oceanic Physics · Physics 2022-12-28 Felipe C. Minuzzi , Leandro Farina

Full-waveform inversion (FWI) is pivotal for reconstructing high-resolution subsurface velocity models but remains computationally intensive and ill-posed. While deep learning approaches promise efficiency, existing Convolutional Neural…

Machine Learning · Computer Science 2026-05-05 Zhenyu Wang , Peiyuan Li , Yongxiang Shi , Ruoyu Wu , Chenfei Liao , Lei Zhang

Oversmoothing remains a persistent problem when applying deep learning to off-axis quantitative phase imaging (QPI). End-to-end U-Nets favour low-frequency content and under-represent fine, diagnostic detail. We trace this issue to spectral…

Image and Video Processing · Electrical Eng. & Systems 2025-06-16 Yi Zhang

Unsupervised depth completion and estimation methods are trained by minimizing reconstruction error. Block artifacts from resampling, intensity saturation, and occlusions are amongst the many undesirable by-products of common data…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yangchao Wu , Tian Yu Liu , Hyoungseob Park , Stefano Soatto , Dong Lao , Alex Wong

Auroral classification plays a crucial role in polar research. However, current auroral classification studies are predominantly based on images taken at a single wavelength, typically 557.7 nm. Images obtained at other wavelengths have…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Qiuju Yang , Hang Su , Lili Liu , Yixuan Wang , Ze-Jun Hu

This study considers a UAV-assisted multi-user massive multiple-input multiple-output (MU-mMIMO) systems, where a decode-and-forward (DF) relay in the form of an unmanned aerial vehicle (UAV) facilitates the transmission of multiple data…

Information Theory · Computer Science 2023-09-22 Mobeen Mahmood , MohammadMahdi Ghadaksaz , Asil Koc , Tho Le-Ngoc

Intelligent reflecting surfaces (IRS) have been proposed in millimeter wave (mmWave) and terahertz (THz) systems to achieve both coverage and capacity enhancement, where the design of hybrid precoders, combiners, and the IRS typically…

Information Theory · Computer Science 2023-05-31 Shuntian Zheng , Sheng Wu , Chunxiao Jiang , Wei Zhang , Xiaojun Jing

Wind speed retrieval at sea surface is of primary importance for scientific and operational applications. Besides weather models, in-situ measurements and remote sensing technologies, especially satellite sensors, provide complementary…

Machine Learning · Computer Science 2022-08-19 Matteo Zambra , Dorian Cazau , Nicolas Farrugia , Alexandre Gensse , Sara Pensieri , Roberto Bozzano , Ronan Fablet