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Addressing the challenges of climate change requires accurate and high-resolution mapping of geospatial data, especially climate and weather variables. However, many existing geospatial datasets, such as the gridded outputs of the…

机器学习 · 计算机科学 2024-08-08 Guiye Li , Guofeng Cao

Generative Adversarial Networks (GANs) have shown impressive results in various image synthesis tasks. Vast studies have demonstrated that GANs are more powerful in feature and expression learning compared to other generative models and…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Omar De Mitri , Ruyu Wang , Marco F. Huber

In this work, we provide an efficient and realistic data-driven approach to simulate astronomical images using deep generative models from machine learning. Our solution is based on a variant of the generative adversarial network (GAN) with…

机器学习 · 计算机科学 2019-09-27 Mohamad Dia , Elodie Savary , Martin Melchior , Frederic Courbin

Modern Generative Adversarial Networks are capable of creating artificial, photorealistic images from latent vectors living in a low-dimensional learned latent space. It has been shown that a wide range of images can be projected into this…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Jonas Wulff , Antonio Torralba

While cloud/sky image segmentation has extensive real-world applications, a large amount of labelled data is needed to train a highly accurate models to perform the task. Scarcity of such volumes of cloud/sky images with corresponding…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Mayank Jain , Conor Meegan , Soumyabrata Dev

Weak gravitational lensing mass maps play a crucial role in understanding the evolution of structures in the universe and our ability to constrain cosmological models. The prediction of these mass maps is based on expensive N-body…

宇宙学与河外天体物理 · 物理学 2021-05-07 Nathanaël Perraudin , Sandro Marcon , Aurelien Lucchi , Tomasz Kacprzak

A promise of Generative Adversarial Networks (GANs) is to provide cheap photorealistic data for training and validating AI models in autonomous driving. Despite their huge success, their performance on complex images featuring multiple…

计算机视觉与模式识别 · 计算机科学 2023-05-17 George Eskandar , Youssef Farag , Tarun Yenamandra , Daniel Cremers , Karim Guirguis , Bin Yang

Generative Adversarial Networks (GAN) have received wide attention in the machine learning field for their potential to learn high-dimensional, complex real data distribution. Specifically, they do not rely on any assumptions about the…

机器学习 · 计算机科学 2019-03-01 Yongjun Hong , Uiwon Hwang , Jaeyoon Yoo , Sungroh Yoon

To this day, accurately simulating local-scale precipitation and reliably reproducing its distribution remains a challenging task. The limited horizontal resolution of Global Climate Models is among the primary factors undermining their…

大气与海洋物理 · 物理学 2025-03-18 Marcello Iotti , Paolo Davini , Jost von Hardenberg , Giuseppe Zappa

A method is proposed and evaluated to model large and inconvenient phase space files used in Monte Carlo simulations by a compact Generative Adversarial Network (GAN). The GAN is trained based on a phase space dataset to create a neural…

医学物理 · 物理学 2019-10-07 David Sarrut , Nils Krah , Jean-Michel Létang

Generative adversarial networks (GANs) are one of the most robust and versatile techniques in the field of generative artificial intelligence. In this work, we report on an application of GANs in the domain of synthetic spectral data…

Generative Adversarial Networks (GANs) are very popular frameworks for generating high-quality data, and are immensely used in both the academia and industry in many domains. Arguably, their most substantial impact has been in the area of…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Gilad Cohen , Raja Giryes

Adapting to the changing climate requires accurate local climate information, a computationally challenging problem. Recent studies have used Generative Adversarial Networks (GANs), a type of deep learning, to learn complex distributions…

机器学习 · 计算机科学 2024-06-06 Kiri Daust , Adam Monahan

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…

宇宙学与河外天体物理 · 物理学 2016-10-26 Yu Yu , Pengjie Zhang , Yipeng Jing

In recent years, Generative Adversarial Networks (GANs) have shown substantial progress in modeling complex distributions of data. These networks have received tremendous attention since they can generate implicit probabilistic models that…

信号处理 · 电气工程与系统科学 2018-10-25 Mehdi Ahmadi , Timothy Nest , Mostafa Abdelnaim , Thanh-Dung Le

Generative Adversarial Networks (GANs) and their extensions have carved open many exciting ways to tackle well known and challenging medical image analysis problems such as medical image de-noising, reconstruction, segmentation, data…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Salome Kazeminia , Christoph Baur , Arjan Kuijper , Bram van Ginneken , Nassir Navab , Shadi Albarqouni , Anirban Mukhopadhyay

Generative Adversarial Networks (GANs) are machine learning methods that are used in many important and novel applications. For example, in imaging science, GANs are effectively utilized in generating image datasets, photographs of human…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Soheyla Amirian , Thiab R. Taha , Khaled Rasheed , Hamid R. Arabnia

The ability of the Generative Adversarial Networks (GANs) framework to learn generative models mapping from simple latent distributions to arbitrarily complex data distributions has been demonstrated empirically, with compelling results…

机器学习 · 计算机科学 2017-04-05 Jeff Donahue , Philipp Krähenbühl , Trevor Darrell

Simulations of the dark matter distribution throughout the Universe are essential in order to analyse data from cosmological surveys. $N$-body simulations are computationally expensive, and many cheaper alternatives (such as lognormal…

宇宙学与河外天体物理 · 物理学 2025-01-07 Prabh Bhambra , Benjamin Joachimi , Ofer Lahav , Davide Piras

Understanding the nature of dark matter in the Universe is an important goal of modern cosmology. A key method for probing this distribution is via weak gravitational lensing mass-mapping - a challenging ill-posed inverse problem where one…

宇宙学与河外天体物理 · 物理学 2025-10-13 Jessica J. Whitney , Tobías I. Liaudat , Matthew A. Price , Matthijs Mars , Jason D. McEwen