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相关论文: On the Use of WGANs for Super-Resolution in Dark-M…

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Generative deep learning methods built upon Convolutional Neural Networks (CNNs) provide a great tool for predicting non-linear structure in cosmology. In this work we predict high resolution dark matter halos from large scale, low…

宇宙学与河外天体物理 · 物理学 2022-04-25 David Schaurecker , Yin Li , Jeremy Tinker , Shirley Ho , Alexandre Refregier

We present an extension of our recently developed Wasserstein optimized model to emulate accurate high-resolution features from computationally cheaper low-resolution cosmological simulations. Our deep physical modelling technique relies on…

宇宙学与河外天体物理 · 物理学 2020-06-17 Doogesh Kodi Ramanah , Tom Charnock , Francisco Villaescusa-Navarro , Benjamin D. Wandelt

Generative adversarial networks (GANs) have received a tremendous amount of attention in the past few years, and have inspired applications addressing a wide range of problems. Despite its great potential, GANs are difficult to train.…

机器学习 · 计算机科学 2017-05-09 Zhimin Chen , Yuguang Tong

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…

High-resolution (HR) precipitation prediction is essential for reducing damage from stationary and localized heavy rainfall; however, HR precipitation forecasts using process-driven numerical weather prediction models remains challenging.…

机器学习 · 计算机科学 2026-05-19 Kenta Shiraishi , Yuka Muto , Atsushi Okazaki , Shunji Kotsuki

Real low-resolution (LR) face images contain degradations which are too varied and complex to be captured by known downsampling kernels and signal-independent noises. So, in order to successfully super-resolve real faces, a method needs to…

图像与视频处理 · 电气工程与系统科学 2022-02-09 Saurabh Goswami , Aakanksha , Rajagopalan A. N

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

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…

宇宙学与河外天体物理 · 物理学 2021-07-06 Andrius Tamosiunas , Hans A. Winther , Kazuya Koyama , David J. Bacon , Robert C. Nichol , Ben Mawdsley

Image super-resolution is important in many fields, such as surveillance and remote sensing. However, infrared (IR) images normally have low resolution since the optical equipment is relatively expensive. Recently, deep learning methods…

图像与视频处理 · 电气工程与系统科学 2022-12-23 Yongsong Huang , Zetao Jiang , Qingzhong Wang , Qi Jiang , Guoming Pang

Generative adversarial networks (GANs) are a machine learning technique capable of producing high-quality synthetic images. In the field of materials science, when a crystallographic dataset includes inadequate or difficult-to-obtain…

One of the most promising ways to observe the Universe is by detecting the 21cm emission from cosmic neutral hydrogen (HI) through radio-telescopes. Those observations can shed light on fundamental astrophysical questions only if accurate…

The study of quantum generative models is well-motivated, not only because of its importance in quantum machine learning and quantum chemistry but also because of the perspective of its implementation on near-term quantum machines. Inspired…

量子物理 · 物理学 2019-11-04 Shouvanik Chakrabarti , Yiming Huang , Tongyang Li , Soheil Feizi , Xiaodi Wu

This paper is on image and face super-resolution. The vast majority of prior work for this problem focus on how to increase the resolution of low-resolution images which are artificially generated by simple bilinear down-sampling (or in a…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Adrian Bulat , Jing Yang , Georgios Tzimiropoulos

In this paper, we consider the problem of super-resolution recons-truction. This is a hot topic because super-resolution reconstruction has a wide range of applications in the medical field, remote sensing monitoring, and criminal…

图像与视频处理 · 电气工程与系统科学 2019-07-25 Qi Zhang , Huafeng Wang , Sichen Yang

In the recent years Generative Adversarial Networks (GANs) have demonstrated significant progress in generating authentic looking data. In this work we introduce our simple method to exploit the advancements in well established image-based…

机器学习 · 计算机科学 2019-10-31 Eoin Brophy , Zhengwei Wang , Tomas E. Ward

Weakly-supervised learning has become a popular technology in recent years. In this paper, we propose a novel medical image classification algorithm, called Weakly-Supervised Generative Adversarial Networks (WSGAN), which only uses a small…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Qi Huang

In real-life applications, certain images utilized are corrupted in which the image pixels are damaged or missing, which increases the complexity of computer vision tasks. In this paper, a deep learning architecture is proposed to deal with…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Vaishnav Chandak , Priyansh Saxena , Manisha Pattanaik , Gaurav Kaushal

In recent years, deep learning models have been successfully employed for augmenting low-resolution cosmological simulations with small-scale information, a task known as "super-resolution". So far, these cosmological super-resolution…

宇宙学与河外天体物理 · 物理学 2024-11-14 Andreas Schanz , Florian List , Oliver Hahn

Generative Adversarial Networks (GANs) have been successful in producing outstanding results in areas as diverse as image, video, and text generation. Building on these successes, a large number of empirical studies have validated the…

机器学习 · 计算机科学 2021-06-21 Gérard Biau , Maxime Sangnier , Ugo Tanielian

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
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