English
Related papers

Related papers: Performance analysis of the Karhunen-Lo\`{e}ve Tra…

200 papers

Precise measurements of semileptonic kaon decay rates at KLOE provide the measurement of the CKM mixing matrix element \vus\ and information about lepton universality. Leptonic kaon decays provide an independent measurement of…

High Energy Physics - Experiment · Physics 2019-08-14 Erika De Lucia

We introduce a transformer-based neural network for the accurate classification of real and bogus transient detections in astronomical images. This network advances beyond the conventional convolutional neural network (CNN) methods, widely…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Adi Inada , Masao Sako , Tatiana Acero-Cuellar , Federica Bianco

With the low Earth orbit environment becoming increasingly populated with artificial satellites, rockets, and debris, it is important to understand the effects they have on radio astronomy. In this work, we undertake a multi-frequency,…

Earth and Planetary Astrophysics · Physics 2025-01-29 Dylan Grigg , Steven Tingay , Steve Prabu , Marcin Sokolowski , Balthasar Indermuehle

In this work, we develop two spectroscopic diagnostic methods to derive the peak reduced electric field in Transient Luminous Events (TLEs) from their optical signals. These methods could be used to analyze the optical signature of TLEs…

Atmospheric and Oceanic Physics · Physics 2019-11-05 F. J. Pérez-Invernón , A. Luque , F. J. Gordillo-Vázquez , M. Sato , T. Ushio , T. Adachi , A. B. Chen

The increasing adoption of satellite Internet with low-Earth-orbit (LEO) satellites in mega-constellations allows ubiquitous connectivity to rural and remote areas. However, weather events have a significant impact on the performance and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Wenxuan Zhang , Peng Hu

The exploitation of present and future synoptic (multi-band and multi-epoch) surveys requires an extensive use of automatic methods for data processing and data interpretation. In this work, using data extracted from the Catalina Real Time…

Instrumentation and Methods for Astrophysics · Physics 2016-02-29 Antonio D'Isanto , Stefano Cavuoti , Massimo Brescia , Ciro Donalek , Giuseppe Longo , Giuseppe Riccio , Stanislav G. Djorgovski

Vehicular visible light communications (V-VLC) is a promising intelligent transportation systems (ITS) technology for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications with the utilization of light-emitting diodes…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Bugra Turan , O. Nuri Koc , Emrah Kar , Sinem Coleri

With the growing number of projects dedicated to the search for extrasolar planets via transits, there is a need to develop fast, automatic, robust methods with a statistical background in order to efficiently do the analysis. We propose a…

Astrophysics · Physics 2007-05-23 A. Schwarzenberg-Czerny , J. -Ph. Beaulieu

Astrometric detection involves a precise measurement of stellar positions, and is widely regarded as the leading concept presently ready to find earth-mass planets in temperate orbits around nearby sun-like stars. The TOLIMAN space…

Lyman-$\alpha$ photons enable the cosmic dawn 21-cm signal through a process called the Wouthuysen-Field effect. An accurate model of the signal in this epoch hinges on the accuracy of the computation of the Ly$\alpha$ coupling, which…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-18 Shikhar Mittal , Girish Kulkarni , Thibault Garel

We propose an adaptive learning-based framework for uplink massive multiple-input multiple-output (MIMO) systems with one-bit analog-to-digital converters. Learning-based detection does not need to estimate channels, which overcomes a key…

Signal Processing · Electrical Eng. & Systems 2022-11-15 Yunseong Cho , Jinseok Choi , Brian L. Evans

Spectroscopic redshift surveys are key tools to trace the large-scale structure (LSS) of the Universe and test the $\Lambda$CDM model. However, using redshifts as distance proxies introduces distortions in the 3D galaxy distribution. If…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-09 Edoardo Maragliano , Punyakoti Ganeshaiah Veena , Giulia Degni , Enzo Franco Branchini

Neutron Resonance Transmission Analysis (NRTA) uses resonant absorption of neutrons to infer the absolute isotopic composition of a target object, enabling applications in a broad range of fields such as archaeology, materials analysis of…

Instrumentation and Detectors · Physics 2020-01-29 Ezra M. Engel , Ethan A. Klein , Areg Danagoulian

Optimal extraction of the non-Gaussian information encoded in the Large-Scale Structure (LSS) of the universe lies at the forefront of modern precision cosmology. We propose achieving this task through the use of the Wavelet Scattering…

Cosmology and Nongalactic Astrophysics · Physics 2022-05-30 Georgios Valogiannis , Cora Dvorkin

This work presents an objective, repeatable, automatic, and fast methodology for assessing the representativeness of geophysical variables sampled by Earth-observing satellites. The primary goal is to identify and mitigate potential…

Computational Engineering, Finance, and Science · Computer Science 2025-10-14 Negin Esmaeili , Paul T. Grogan

In this paper, we introduce a novel method designed to enhance label efficiency in satellite imagery analysis by integrating semi-supervised learning (SSL) with active learning strategies. Our approach utilizes contrastive learning together…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 David Pogorzelski , Peter Arlinghaus , Wenyan Zhang

This paper presents a systematic literature review focusing on the application of machine learning techniques for deriving observational constraints in cosmology. The goal is to evaluate and synthesize existing research to identify…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-14 Luis Rojas , Sebastián Espinoza , Esteban González , Carlos Maldonado , Fei Luo

In astronomical imaging, the low photon count of exposures necessitates extensive post-processing steps, including contamination removal and denoising. This paper evaluates deep-learning denoising methods that can be trained without clean…

Instrumentation and Methods for Astrophysics · Physics 2026-04-21 Omid Vaheb , Sebastien Fabbro , Stark Draper

Recent measurements from the CMB and from high-redshift galaxy observations have placed rough constraints on the midpoint and duration of the Epoch of Reionization. Detailed measurements of the ionization history remain elusive, although…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-12 Joëlle-Marie Bégin , Adrian Liu , Adélie Gorce

We develop a Ly-alpha radiative transfer (RT) Monte Carlo code for cosmological simulations.High resolution,along with appropriately treated cooling can result in simulated environments with very high optical depths.Thus,solving the…

Astrophysics · Physics 2009-11-13 Argyro Tasitsiomi