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Integrated sensing and communication (ISAC) at terahertz (THz) frequencies holds significant promise for unifying ultra-high-speed wireless connectivity with fine-grained environmental awareness. Realistic and interpretable channel modeling…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Yejian Lyu , Zhiqiang Yuan , Henk Wymeersch , Chong Han

Radio maps provide metrics such as power spectral density for every location in a geographic area and find numerous applications such as UAV communications, interference control, spectrum management, resource allocation, and network…

Signal Processing · Electrical Eng. & Systems 2021-09-10 Yves Teganya , Daniel Romero

Real-time and contactless monitoring of vital signs, such as respiration and heartbeat, alongside reliable communication, is essential for modern healthcare systems, especially in remote and privacy-sensitive environments. Traditional…

Signal Processing · Electrical Eng. & Systems 2025-10-15 Yinchao Yang , Yahao Ding , Zhaohui Yang , Chongwen Huang , Zhaoyang Zhang , Dusit Niyato , Mohammad Shikh-Bahaei

Deep networks can be trained to map images into a low-dimensional latent space. In many cases, different images in a collection are articulated versions of one another; for example, same object with different lighting, background, or pose.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Rakib Hyder , M. Salman Asif

Compressed Sensing (CS) is suitable for remote acquisition of hyperspectral images for earth observation, since it could exploit the strong spatial and spectral correlations, llowing to simplify the architecture of the onboard sensors.…

Information Theory · Computer Science 2014-03-10 Simeon Kamdem Kuiteing , Giulio Coluccia , Alessandro Barducci , Mauro Barni , Enrico Magli

Global Positioning System (GPS) satellites broadcast at frequencies of 1,575.42 MHz (L1) and of 1,227.60 MHz (L2). The dispersive property of the ionosphere can be used to combine independent measurements at the two frequencies to estimate…

Astrophysics · Physics 2007-05-23 E. Ros , J. M. Marcaide , J. C. Guirado , E. Sardon , I. I. Shapiro

Event cameras are neuromorphic sensors that capture asynchronous and sparse event stream when per-pixel brightness changes. The state-of-the-art processing methods for event signals typically aggregate events into a frame or a grid.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Beibei Yang , Weiling Li , Yan Fang

Solar eclipses provide an excellent opportunity to study the effects of a sudden localized change in photoionization flux in the Earth's ionosphere and its consequent repercussion in the Geomagnetic field. We have focused on a subset of the…

Atmospheric and Oceanic Physics · Physics 2022-01-12 Amalia Meza , Guillermo Bosch , Maria Paula Natali , Bernardo Eylenstein

Transmission Electron Microscopy (TEM) is a powerful tool for imaging material structure and characterizing material chemistry. Recent advances in data collection technology for TEM have enabled high-volume and high-resolution data…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Josh Kacher , Yao Xie , Sven P. Voigt , Shixiang Zhu , Henry Yuchi , Jordan Key , Surya R. Kalidindi

Ion Cyclotron Emission (ICE) is a ubiquitous magnetised plasma phenomenon previously detected on virtually all large magnetic fusion devices and whose diagnostic potential for future power plants rests upon an accurate mapping of plasma…

Plasma Physics · Physics 2026-05-19 Ethan Attwood , J. W. S. Cook , Peter Hill

Over the past years, thermionic energy conversion (TEC) with a reduced inter-electrode vacuum gap has been studied as an effective way to mitigate a large potential barrier due to space charge accumulation. However, existing theoretical…

Applied Physics · Physics 2021-04-06 Devon Jensen , Mohammad Ghashami , Keunhan Park

Nowadays, modern Earth Observation systems continuously collect massive amounts of satellite information. The unprecedented possibility to acquire high resolution Satellite Image Time Series (SITS) data (series of images with high revisit…

Computer Vision and Pattern Recognition · Computer Science 2020-05-01 Dino Ienco , Yawogan Jean Eudes Gbodjo , Roberto Interdonato , Raffaele Gaetano

The integration of Non-Terrestrial Networks (NTNs) with Low Earth Orbit (LEO) satellite constellations into 5G and Beyond is essential to achieve truly global connectivity. A distinctive characteristic of LEO mega constellations is that…

Networking and Internet Architecture · Computer Science 2026-03-16 Israel Leyva-Mayorga , Fabio Saggese , Lintao Li , Petar Popovski

We present Compressible Atmospheric Model-Network (CAM-NET), an AI model designed to predict neutral atmospheric variables from the Earth's surface to the ionosphere with high accuracy and computational efficiency. Accurate modeling of the…

Space Physics · Physics 2025-07-03 Jiahui Hu , Wenjun Dong

Terahertz imaging shows significant potential across diverse fields, yet the cost-effectiveness of multi-pixel imaging equipment remains an obstacle for many researchers. To tackle this issue, the utilization of single-pixel imaging arises…

Signal Processing · Electrical Eng. & Systems 2024-05-02 Doğan Tunca Arık , Asaf Behzat Şahin , Özgün Ersoy

Transition Edge Sensor (TES) bolometers are a well-established technology with a strong track record in experimental cosmology, making them ideal for current and future radio astronomy instruments. The Tomographic Ionized-carbon Mapping…

Instrumentation and Methods for Astrophysics · Physics 2025-10-06 Victoria L. Butler , James J. Bock , Dongwoo T. Chung , Abigail T. Crites , King Lau , Ian Lowe , Dan P. Marrone , Evan C. Mayer , Benjamin J. Vaughan , Michael Zemcov

Cryo-electron microscopy (cryo-EM) enables the atomic-resolution visualization of biomolecules; however, modern direct detectors generate data volumes that far exceed the available storage and transfer bandwidth, thereby constraining…

Image and Video Processing · Electrical Eng. & Systems 2026-03-31 Zain Shabeeb , Daniel Saeedi , Darin Tsui , Vida Jamali , Amirali Aghazadeh

Radio Frequency (RF) sensing is attracting interest in research, standardization, and industry, especially for its potential in Internet of Things (IoT) applications. By leveraging the properties of the ElectroMagnetic (EM) waves used in…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Federica Fieramosca , Vittorio Rampa , Michele D'Amico , Stefano Savazzi

The ionosphere is the propagation medium for radio waves transmitted by an over-the-horizon radar (OTHR). Ionospheric parameters, typically, virtual ionospheric heights (VIHs), are required to perform coordinate registration for OTHR…

Systems and Control · Electrical Eng. & Systems 2020-05-06 Zhen Guo , Zengfu Wang , Hua Lan , Quan Pan , Kun Lu

A universal interatomic potential for an arbitrary set of chemical elements is urgently needed in computational materials science. Graph convolution neural network (GCN) has rich expressive power, but previously was mainly employed to…

Computational Physics · Physics 2022-03-17 So Takamoto , Satoshi Izumi , Ju Li