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Deep neural networks have received considerable attention in clinical imaging, particularly with respect to the reduction of radiation risk. Lowering the radiation dose by reducing the photon flux inevitably results in the degradation of…

Image and Video Processing · Electrical Eng. & Systems 2021-09-14 Khalid L. Alsamadony , Ertugrul U. Yildirim , Guenther Glatz , Umair bin Waheed , Sherif M. Hanafy

Deep learning can be used to extract meaningful results from images. In this paper, we used convolutional neural networks combined with recurrent neural networks on images of plasmonic structures and extract absorption data form them. To…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Iman Sajedian , Jeonghyun Kim , Junsuk Rho

A major bottleneck in the quest for scalable many-body quantum technologies is the difficulty in benchmarking their preparations, which suffer from an exponential `curse of dimensionality' inherent to their quantum states. We present an…

Quantum Physics · Physics 2019-07-31 Juan Carrasquilla , Giacomo Torlai , Roger G. Melko , Leandro Aolita

In recent years, the field of implicit neural representation has progressed significantly. Models such as neural radiance fields (NeRF), which uses relatively small neural networks, can represent high-quality scenes and achieve…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 David Dadon , Ohad Fried , Yacov Hel-Or

To take full advantage of the unprecedented power of upcoming weak lensing surveys, understanding the noise, such as cosmic variance and geometry/mask effects, is as important as understanding the signal itself. Accurately quantifying the…

Cosmology and Nongalactic Astrophysics · Physics 2016-10-26 Yu Yu , Pengjie Zhang , Yipeng Jing

Clues to the identity of dark matter have remained surprisingly elusive, given the scope of experimental programs aimed at its identification. While terrestrial experiments may be able to nail down a model, an alternative, and equally…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-23 Stephon Alexander , Sergei Gleyzer , Pranath Reddy , Marcos Tidball , Michael W. Toomey

Deep artificial neural networks are powerful tools with many possible applications in nanophotonics. Here, we demonstrate how a deep neural network can be used as a fast, general purpose predictor of the full near-field and far-field…

Computational Physics · Physics 2020-01-28 Peter R. Wiecha , Otto L. Muskens

Quantifying image distortions caused by strong gravitational lensing and estimating the corresponding matter distribution in lensing galaxies has been primarily performed by maximum likelihood modeling of observations. This is typically a…

Instrumentation and Methods for Astrophysics · Physics 2017-09-20 Yashar D. Hezaveh , Laurence Perreault Levasseur , Philip J. Marshall

One of the fundamental problems in machine learning is the estimation of a probability distribution from data. Many techniques have been proposed to study the structure of data, most often building around the assumption that observations…

Machine Learning · Statistics 2013-02-22 Oren Rippel , Ryan Prescott Adams

We train deep learning models on thousands of galaxy catalogues from the state-of-the-art hydrodynamic simulations of the CAMELS project to perform regression and inference. We employ Graph Neural Networks (GNNs), architectures designed to…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-10 Pablo Villanueva-Domingo , Francisco Villaescusa-Navarro

With the availability of thousands of type Ia supernovae in the near future the magnitude scatter induced by lensing will become a major issue as it affects parameter estimation. Current N-body simulations are too time consuming to be…

Cosmology and Nongalactic Astrophysics · Physics 2013-09-10 Valerio Marra , Miguel Quartin , Luca Amendola

Computer-assisted diagnosis (CAD) based on deep learning has become a crucial diagnostic technology in the medical industry, effectively improving diagnosis accuracy. However, the scarcity of brain tumor Magnetic Resonance (MR) image…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Panjian Huang , Xu Liu , Yongzhen Huang

Deep generative models have shown immense potential in generating unseen data that has properties of real data. These models learn complex data-generating distributions starting from a smaller set of latent dimensions. However, generative…

Solar and Stellar Astrophysics · Physics 2026-02-23 Subhamoy Chatterjee , Andres Munoz-Jaramillo , Anna Malanushenko

Generative adversarial networks (GANs) have been recently applied as a novel emulation technique for large scale structure simulations. Recent results show that GANs can be used as a fast, efficient and computationally cheap emulator for…

Cosmology and Nongalactic Astrophysics · Physics 2021-07-06 Andrius Tamosiunas , Hans A. Winther , Kazuya Koyama , David J. Bacon , Robert C. Nichol , Ben Mawdsley

Deep Generative Models (DGMs) have been shown to be powerful tools for generating tabular data, as they have been increasingly able to capture the complex distributions that characterize them. However, to generate realistic synthetic data,…

Machine Learning · Computer Science 2024-02-08 Mihaela Cătălina Stoian , Salijona Dyrmishi , Maxime Cordy , Thomas Lukasiewicz , Eleonora Giunchiglia

Deep learning has become a prominent computational modeling tool in the areas of computer vision and image processing in recent years. This research comprehensively analyzes the different deep-learning methods used for image-to-image…

Image and Video Processing · Electrical Eng. & Systems 2023-03-17 Yuda Bi

To maximize the amount of information extracted from cosmological datasets, simulations that accurately represent these observations are necessary. However, traditional simulations that evolve particles under gravity by estimating…

Weak gravitational lensing is a promising tool for the study of the mass distribution in the Universe. Here we report some partial results that show how lensing maps can be used to differentiate between cosmological models. We pay special…

Astrophysics · Physics 2007-05-23 Antonio C. C. Guimarães

The galaxy total mass inside the effective radius encode important information on the dark matter and galaxy evolution model. Total "central" masses can be inferred via galaxy dynamics or with gravitational lensing, but these methods have…

Astrophysics of Galaxies · Physics 2025-12-01 Sirui Wu , Nicola R. Napolitano , Crescenzo Tortora , Rodrigo von Marttens , Luciano Casarini , Rui Li , Weipeng Lin

This paper deals with a method for generating realistic labeled masses. Recently, there have been many attempts to apply deep learning to various bio-image computing fields including computer-aided detection and diagnosis. In order to learn…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Jae-Hyeok Lee , Seong Tae Kim , Hakmin Lee , Yong Man Ro