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Giant Radio Galaxies (GRGs) are Active Galactic Nuclei (AGN) with radio emission that extends over projected sizes $>0.7\,$Mpc. The large angular sizes associated with GRGs complicate their identification in radio survey images using…

Astrophysics of Galaxies · Physics 2023-11-16 Soren Ramdhanie , Yjan A. Gordon , Heinz Andernach , Eric J. Hooper , Brianna Sampson

We study a sample of 883 sources detected in a deep Very Large Array survey at 1.4 GHz in the Extended Chandra Deep Field South. The paper focuses on the identification of their optical and infrared (IR) counterparts. We use a likelihood…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 M. Bonzini , V. Mainieri , P. Padovani , K. I. Kellermann , N. Miller , P. Rosati , P. Tozzi , S. Vattakunnel , I. Balestra , W. N. Brandt , B. Luo , Y. Q. Xue

The use of probabilistic spintronic devices for infrared radiation detection has introduced a shift in approach to thermal imaging. The integration of probabilistic magnetic tunnel junctions with infrared plasmonic nano-antennas achieves…

Instrumentation and Detectors · Physics 2025-10-09 Utkarsh Singh , Leif Bauer , Angshuman Deka , Mohamed Mousa , Daien He , Sakshi Gupta , Bhagwati Prasad , Zubin Jacob

Recent investigations reveal an important new class of transient radio phenomena that occur on sub-millisecond timescales. Often transient surveys' data volumes are too large to archive exhaustively. Instead, an on-line automatic system…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 David R. Thompson , Kiri L. Wagstaff , Walter Brisken , Adam T. Deller , Walid A. Majid , Steven J. Tingay , Randall B. Wayth

The upcoming Square Kilometer Array (SKA) telescope marks a significant step forward in radio astronomy, presenting new opportunities and challenges for data analysis. Traditional visual models pretrained on optical photography images may…

Instrumentation and Methods for Astrophysics · Physics 2024-11-25 Thomas Cecconello , Simone Riggi , Ugo Becciani , Fabio Vitello , Andrew M. Hopkins , Giuseppe Vizzari , Concetto Spampinato , Simone Palazzo

Radio detection of air showers in the current era has progressed immensely to effectively extract the properties of these air showers. Primary cosmic rays with energies of hundreds of PeV have been successfully measured with the method of…

Instrumentation and Methods for Astrophysics · Physics 2019-10-23 Aswathi Balagopal V. , Andreas Haungs , Thomas Huber , Tim Huege , Matthias Kleifges , Max Renschler , Harald Schieler , Frank G. Schröder , Andreas Weindl

The next generation of observatories will facilitate the discovery of new types of astrophysical transients. The detection of such phenomena, whose characteristics are presently poorly constrained, will hinge on the ability to perform blind…

High Energy Astrophysical Phenomena · Physics 2019-02-15 Iftach Sadeh

Neutrinos at ultrahigh energies can originate both from interactions of cosmic rays at their acceleration sites and through cosmic-ray interactions as they propagate through the universe. These neutrinos are expected to have a low flux…

While the radio detection of cosmic rays has advanced to a standard method in astroparticle physics, the radio detection of neutrinos is just about to start its full bloom. The successes of pilot-arrays have to be accompanied by the…

Detecting small objects, such as drones, over long distances presents a significant challenge with broad implications for security, surveillance, environmental monitoring, and autonomous systems. Traditional imaging-based methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Junran Guo , Tonglin Mu , Keyuan Li , Jianing Li , Ziyang Luo , Ye Chen , Xiaodong Fan , Jinquan Huang , Minjie Liu , Jinbei Zhang , Ruoyang Qi , Naiting Gu , Shihai Sun

Monitoring large areas is presently feasible with high resolution drone cameras, as opposed to time-consuming and expensive ground surveys. In this work we reveal for the first time, the potential of using a state-of-the-art change…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Yura Zharkovsky , Ovadya Menadeva

In this paper, we consider near-field localization and sensing with an extremely large aperture array under partial blockage of array antennas, where spherical wavefront and spatial non-stationarity are accounted for. We propose an Ising…

Signal Processing · Electrical Eng. & Systems 2025-03-03 Huiping Huang , Alireza Pourafzal , Hui Chen , Musa Furkan Keskin , Mengting Li , Yu Ge , Fredrik Tufvesson , Henk Wymeersch , Xuesong Cai

Synthetic aperture radar (SAR) image change detection is a vital yet challenging task in the field of remote sensing image analysis. Most previous works adopt a self-supervised method which uses pseudo-labeled samples to guide subsequent…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Junjie Wang , Feng Gao , Junyu Dong , Shan Zhang , Qian Du

This paper shows how an uncertainty-aware, deep neural network can be trained to detect, recognise and localise objects in 2D RGB images, in applications lacking annotated train-ng datasets. We propose a self-supervising teacher-student…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Irum Mehboob , Li Sun , Alireza Astegarpanah , Rustam Stolkin

The Radio Neutrino Observatory in Greenland (RNO-G) is a radio-based ultra-high energy neutrino detector located at Summit Station, Greenland. It is still being constructed, with 7 stations currently operational. Neutrino detection works by…

High Energy Astrophysical Phenomena · Physics 2023-09-29 Thorsten Glüsenkamp

The liquid argon time projection chamber (LArTPC) detector technology has an excellent capability to measure properties of low-energy neutrinos produced by the sun and supernovae and to look for exotic physics at very low energies. In order…

We introduce a benchmark for system identification based on 75k real-world samples from the Crazyflie 2.1 Brushless nano-quadrotor, a sub-50g aerial vehicle widely adopted in robotics research. The platform presents a challenging testbed…

Systems and Control · Electrical Eng. & Systems 2026-03-03 Riccardo Busetto , Elia Cereda , Marco Forgione , Gabriele Maroni , Dario Piga , Daniele Palossi

Researchers have demonstrated various techniques for fingerprinting and identifying devices. Previous approaches have identified devices from their network traffic or transmitted signals while relying on software or operating system…

Cryptography and Security · Computer Science 2019-09-20 Ioannis Agadakos , Nikolaos Agadakos , Jason Polakis , Mohamed R. Amer

Radio astronomy is entering a new era with new and future radio observatories such as the Low Frequency Array and the Square Kilometer Array. We describe in detail an automated flagging pipeline and evaluate its performance. With only a…

Instrumentation and Methods for Astrophysics · Physics 2010-07-16 A. R. Offringa , A. G. de Bruyn , S. Zaroubi , M. Biehl

Spectrum sensing is a key technology for cognitive radios. We present spectrum sensing as a classification problem and propose a sensing method based on deep learning classification. We normalize the received signal power to overcome the…

Signal Processing · Electrical Eng. & Systems 2019-09-16 Shilian Zheng , Shichuan Chen , Peihan Qi , Huaji Zhou , Xiaoniu Yang
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