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Timely and reliable decision-making is vital for flood emergency response, yet it remains severely hindered by limited and imprecise situational awareness due to various budget and data accessibility constraints. Traditional flood…

Machine Learning · Computer Science 2025-10-21 Qian Sun , Graham Hults , Susu Xu

Evaporating sessile droplets have been known to exhibit oscillations on the air-liquid interface. These are generally over millimeter scales. Using a novel approach, we are able to measure surface height changes of 500 nm amplitude using…

Channel charting is a data-driven baseband processing technique consisting in applying self-supervised machine learning techniques to channel state information (CSI), with the objective of reducing the dimension of the data and extracting…

Signal Processing · Electrical Eng. & Systems 2021-05-03 Paul Ferrand , Alexis Decurninge , Luis G. Ordoñez , Maxime Guillaud

We report the outcome of evaluations of the skill of long-range forecasts from the ocean wave model component of the Navy's global coupled modeling system. Specifically, the model output is taken from a single member of the ensemble system,…

Atmospheric and Oceanic Physics · Physics 2025-10-10 W. E. Rogers , M. A. Janiga

The low-altitude economy is integral to the advancement of numerous sectors, necessitating the development of advanced low-altitude surveillance techniques. Nevertheless, conventional methods encounter limitations of high deployment costs…

Information Theory · Computer Science 2026-01-23 Zhixin Chen , Yixuan Huang , Zhengze Ji , Jie Yang , Shi Jin

The integration of sensing and communication (ISAC) is a key enabler for next-generation technologies. With high-frequency bands and large-scale antenna arrays, the Rayleigh distance extends, necessitating near-field (NF) models where waves…

Signal Processing · Electrical Eng. & Systems 2025-12-25 Yinchao Yang , Jingxuan Zhou , Zhaohui Yang , Mohammad Shikh-Bahaei

This paper presents a novel and efficient wireless channel estimation scheme based on a tapped delay line (TDL) model of wireless signal propagation, where a data-driven machine learning approach is used to estimate the path delays and…

Networking and Internet Architecture · Computer Science 2024-05-28 Zainab Zaidi , Tansu Alpcan , Christopher Leckie , Sarah Efrain

When employing underwater vehicles for the autonomous inspection of assets, it is crucial to consider and assess the water conditions. These conditions significantly impact visibility and directly affect robotic operations. Turbidity can…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Alexandre Cardaillac , Donald G. Dansereau

Inversion of Rayleigh-wave dispersion data is particularly challenging at sites with strong impedance contrasts, where modal energy often transitions smoothly from the fundamental to higher modes at low frequencies. Analysts may…

Geophysics · Physics 2025-12-15 Mrinal Bhaumik , Brady R. Cox

Establishing reliable data exchange in an underwater domain using energy and power-efficient communication methods is crucial and challenging. Radio frequencies are absorbed by the salty and mineral-rich water and optical signals are…

Systems and Control · Electrical Eng. & Systems 2024-05-29 Lukas Schulthess , Philipp Mayer , Luca Benini , Michele Magno

Human pose estimation is fundamental to intelligent perception in the Internet of Things (IoT), enabling applications ranging from smart healthcare to human-computer interaction. While WiFi-based methods have gained traction, they often…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yi Dao , Lankai Zhang , Hao Liu , Haiwei Zhang , Wenbo Wang

Efficient time series forecasting is essential for smart energy systems, enabling accurate predictions of energy demand, renewable resource availability, and grid stability. However, the growing volume of high-frequency data from sensors…

Computational Engineering, Finance, and Science · Computer Science 2025-05-06 Mikkel Bue Lykkegaard , Svend Vendelbo Nielsen , Akanksha Upadhyay , Mikkel Bendixen Copeland , Philipp Trénell

In this paper, we critically review the potential of today's terrestrial wireless communication systems including wireless cellular technologies (GSM, UMTS, LTE, NR), wireless local area networks (WLANs), and wireless sensor networks…

Signal Processing · Electrical Eng. & Systems 2022-12-01 Tomaž Javornik , Andrej Hrovat , Aleš Švigelj

Integrated sensing and communication (ISAC), assisted by reconfigurable intelligent surface (RIS) has emerged as a breakthrough technology to improve the capacity and reliability of 6G wireless network. However, a significant challenge in…

Signal Processing · Electrical Eng. & Systems 2025-04-03 Chen Zhen , Li Jianqing , Zhang Haijun , Zhang Wei

Multi-user integrated sensing and communication (ISAC) assisted by intelligent reflecting surface (IRS) has been recently investigated to provide a high spectral and energy efficiency transmission. This paper proposes a practical channel…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Yu Liu , Ibrahim Al-Nahhal , Octavia A. Dobre , Fanggang Wang , Hyundong Shin

Detection of radar signals without assistance from the radar transmitter is a crucial requirement for emerging and future shared-spectrum wireless networks like Citizens Broadband Radio Service (CBRS). In this paper, we propose a supervised…

Signal Processing · Electrical Eng. & Systems 2023-09-22 Shamik Sarkar , Dongning Guo , Danijela Cabric

Though widely used in image classification, convolutional neural networks (CNNs) are prone to noise interruptions, i.e. the CNN output can be drastically changed by small image noise. To improve the noise robustness, we try to integrate…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Qiufu Li , Linlin Shen , Sheng Guo , Zhihui Lai

We introduce WaveSim, a multi-scale similarity metric for the evaluation of spatial fields in weather and climate applications. WaveSim exploits wavelet transforms to decompose input fields into scale-specific wavelet coefficients. The…

Atmospheric and Oceanic Physics · Physics 2025-12-17 Gabriele Accarino , Viviana Acquaviva , Sara Shamekh , Duncan Watson-Parris , David Lawrence

We propose deep learning based coded waveform design for integrated sensing and communication (ISAC) with orthogonal frequency-division multiplexing (OFDM). Our goal is to design a coded waveform capable of delivering accurate target…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Chenghong Bian , Yumeng Zhang , Meng Hua , Kaitao Meng , Deniz Gunduz

Efficient and sustainable maritime transport increasingly depends on reliable forecasting and adaptive routing, yet operational adoption remains difficult due to forecast latencies and the need for human judgment in rapid decision-making…

Human-Computer Interaction · Computer Science 2025-11-20 Subhashis Hazarika , Leonard Lupin-Jimenez , Rohit Vuppala , Ashesh Chattopadhyay , Hon Yung Wong
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