English
Related papers

Related papers: Extending Galactic foreground emission with neural…

200 papers

A Generative-Adversarial Network (GAN) based on convolutional neural networks is used to simulate the production of pairs of jets at the LHC. The GAN is trained on events generated using MadGraph5 + Pythia8, and Delphes3 fast detector…

High Energy Physics - Experiment · Physics 2020-10-09 Riccardo Di Sipio , Michele Faucci Giannelli , Sana Ketabchi Haghighat , Serena Palazzo

Extracting non-Gaussian information from the next generation weak lensing surveys will require fast and accurate full-sky simulations. This is difficult to achieve in practice with existing simulation methods: ray-traced $N$-body…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-11 Supranta S. Boruah , Pier Fiedorowicz , Rafael Garcia , William R. Coulton , Eduardo Rozo , Giulio Fabbian

Generative adversarial networks (GANs) learn a deep generative model that is able to synthesise novel, high-dimensional data samples. New data samples are synthesised by passing latent samples, drawn from a chosen prior distribution,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 Antonia Creswell , Anil A Bharath

The detection of the redshifted cosmological $21$~cm line signal requires the removal of the Galactic and extragalactic foreground emission, which is orders of magnitude brighter anywhere in the sky. Foreground cleaning methods currently…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-13 M. Spinelli , G. Bernardi , M. G. Santos

In the past decades, the excessive use of the last-generation GAN (Generative Adversarial Networks) models in computer vision has enabled the creation of artificial face images that are visually indistinguishable from genuine ones. These…

Cryptography and Security · Computer Science 2022-03-04 Ehsan Nowroozi , Mauro Conti , Yassine Mekdad

We derive linearly polarized astrophysical component maps in the Northern Sky from the QUIJOTE-MFI data at 11 and 13 GHz in combination with the WMAP K and Ka bands (23 and 33 GHz) and all Planck polarized channels (30-353 GHz), using the…

This paper presents a generative adversarial network (GAN) based approach for radar image enhancement. Although radar sensors remain robust for operations under adverse weather conditions, their application in autonomous vehicles (AVs) is…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Thakshila Thilakanayake , Oscar De Silva , Thumeera R. Wanasinghe , George K. Mann , Awantha Jayasiri

A novel approach of training data augmentation and domain adaptation is presented to support machine learning applications for cognitive radio. Machine learning provides effective tools to automate cognitive radio functionalities by…

Networking and Internet Architecture · Computer Science 2018-04-04 Kemal Davaslioglu , Yalin E. Sagduyu

The PLANCK satellite mission has been launched the 14th of May 2009 and is dedicated to the measurement of the Cosmic Microwave Background (CMB) in temperature and polarization. The presence of diffuse galactic polarized emission…

Cosmology and Nongalactic Astrophysics · Physics 2010-07-20 L. Fauvet , J. F. Macias-Perez , F. X. Desert

Deep Neural Networks (DNNs) come into the limelight in High Energy Physics (HEP) in order to manipulate the increasing amount of data encountered in the next generation of accelerators. Recently, the HEP community has suggested Generative…

Quantum Physics · Physics 2021-01-28 Su Yeon Chang , Sofia Vallecorsa , Elías F. Combarro , Federico Carminati

The deep learning framework is witnessing expansive growth into diverse applications such as biological systems, human cognition, robotics, and the social sciences, thanks to its immense ability to extract essential features from…

Disordered Systems and Neural Networks · Physics 2017-10-16 Zhaocheng Liu , Sean P. Rodrigues , Wenshan Cai

The precipitation nowcasting methods have been elaborated over the centuries because rain has a crucial impact on human life. Not only quantitative precipitation forecast (QPF) models and convolutional long short-term memory (ConvLSTM), but…

Machine Learning · Computer Science 2023-08-22 Jaeho Choi , Yura Kim , Kwang-Ho Kim , Sung-Hwa Jung , Ikhyun Cho

Aims. We present an innovative artificial neural network (ANN) architecture, called Generative ANN (GANN), that computes the forward model, that is it learns the function that relates the unknown outputs (stellar atmospheric parameters, in…

Instrumentation and Methods for Astrophysics · Physics 2016-10-19 C. Dafonte , D. Fustes , M. Manteiga , D. Garabato , M. A. Alvarez , A. Ulla , C. Allende Prieto

Extremely large aperture arrays (ELAAs) benefit the dual functions of integrated sensing and communication (ISAC) systems by enabling high-throughput data streams and high angular resolution with near-field spatial diversity. However,…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Yuan Liu , Xuesong Cai , Dipankar Saha , M. R. Bhavani Shankar , Björn Ottersten

The characterization of the dust polarization foreground to the Cosmic Microwave Background (CMB) is a necessary step towards the detection of the B-mode signal associated with primordial gravitational waves. We present a method to simulate…

We use a model of polarized Galactic emission developed by the the Planck collaboration to assess the impact of foregrounds on B-mode detection at low multipoles. Our main interest is to applications of noisy polarization data and in…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 George Efstathiou , Steven Gratton , Francesco Paci

The Generative Adversarial Network (GAN) is a powerful and flexible tool that can generate high-fidelity synthesized data by learning. It has seen many applications in simulating events in High Energy Physics (HEP), including simulating…

High Energy Physics - Experiment · Physics 2022-12-26 Vincent Dumont , Xiangyang Ju , Juliane Mueller

This thesis investigates the application of state-of-the-art advances in generative neural networks for fast simulation of the Zero Degree Calorimeter (ZDC) neutron detector in the ALICE experiment at CERN. Traditional simulation methods…

Instrumentation and Detectors · Physics 2024-07-25 Maksymilian Wojnar

We present the analysis of high-resolution synthetic dust polarization maps derived from large-scale simulations of magnetized multiphase interstellar turbulence carried out with the AthenaK code on the $Frontier$ exascale supercomputer at…

Astrophysics of Galaxies · Physics 2026-05-11 Alexei G. Kritsuk , Ka Wai Ho , Ka Ho Yuen , Raphael Flauger

Deep learning models have been used for a variety of image processing tasks. However, most of these models are developed through supervised learning approaches, which rely heavily on the availability of large-scale annotated datasets.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Jaden Myers , Keyhan Najafian , Farhad Maleki , Katie Ovens