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Stochastic subgrid-scale parametrizations aim to incorporate effects of unresolved processes in an effective model by sampling from a distribution usually described in terms of resolved modes. This is an active research area in climate,…

计算物理 · 物理学 2021-12-01 Jeric Alcala , Ilya Timofeyev

Generative adversarial networks (GANs) are a method based on the training of two neural networks, one called generator and the other discriminator, competing with each other to generate new instances that resemble those of the probability…

人工智能 · 计算机科学 2023-02-21 Jordi de la Torre

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

In recent years, Generative Adversarial Networks (GANs) have seen significant advancements, leading to their widespread adoption across various fields. The original GAN architecture enables the generation of images without any specific…

机器学习 · 计算机科学 2024-09-04 Anis Bourou , Valérie Mezger , Auguste Genovesio

Image content is a predominant factor in marketing campaigns, websites and banners. Today, marketers and designers spend considerable time and money in generating such professional quality content. We take a step towards simplifying this…

计算机视觉与模式识别 · 计算机科学 2021-05-17 Shradha Agrawal , Shankar Venkitachalam , Dhanya Raghu , Deepak Pai

Generative adversarial networks (GANs) are a powerful approach to unsupervised learning. They have achieved state-of-the-art performance in the image domain. However, GANs are limited in two ways. They often learn distributions with low…

机器学习 · 统计学 2019-10-11 Adji B. Dieng , Francisco J. R. Ruiz , David M. Blei , Michalis K. Titsias

We introduce Kernel Density Discrimination GAN (KDD GAN), a novel method for generative adversarial learning. KDD GAN formulates the training as a likelihood ratio optimization problem where the data distributions are written explicitly via…

机器学习 · 计算机科学 2021-07-14 Abdelhak Lemkhenter , Adam Bielski , Alp Eren Sari , Paolo Favaro

We propose a quantum algorithm for sampling from a solution of stochastic differential equations (SDEs). Using differentiable quantum circuits (DQCs) with a feature map encoding of latent variables, we represent the quantile function for an…

量子物理 · 物理学 2023-08-21 Annie E. Paine , Vincent E. Elfving , Oleksandr Kyriienko

We investigate artificial neural networks as a parametrization tool for stochastic inputs in numerical simulations. We address parametrization from the point of view of emulating the data generating process, instead of explicitly…

机器学习 · 计算机科学 2019-04-10 Shing Chan , Ahmed H. Elsheikh

Generative adversarial networks (GANs) have been remarkably successful in learning complex high dimensional real word distributions and generating realistic samples. However, they provide limited control over the generation process.…

机器学习 · 计算机科学 2020-10-27 Arunava Chakraborty , Rahul Ragesh , Mahir Shah , Nipun Kwatra

We present a new category of physics-informed neural networks called physics informed variational embedding generative adversarial network (PI-VEGAN), that effectively tackles the forward, inverse, and mixed problems of stochastic…

机器学习 · 计算机科学 2023-07-24 Ruisong Gao , Yufeng Wang , Min Yang , Chuanjun Chen

Probabilistic diffusion models have achieved state-of-the-art results for image synthesis, inpainting, and text-to-image tasks. However, they are still in the early stages of generating complex 3D shapes. This work proposes Diffusion-SDF, a…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Gene Chou , Yuval Bahat , Felix Heide

Reliable training of generative adversarial networks (GANs) typically require massive datasets in order to model complicated distributions. However, in several applications, training samples obey invariances that are \textit{a priori}…

We develop a class of data-driven generative models that approximate the solution operator for parameter-dependent partial differential equations (PDE). We propose a novel probabilistic formulation of the operator learning problem based on…

数值分析 · 数学 2026-04-21 Ting Wang , Petr Plechac , Jaroslaw Knap

Diffusion models have emerged as a dominant framework for generative modeling, but their mathematical foundations are often presented separately through diffusion probabilistic models, score-based modeling, stochastic differential…

机器学习 · 计算机科学 2026-05-29 Jiayi Fu , Yuxia Wang

The Generative Adversarial Network (GAN) was recently introduced in the literature as a novel machine learning method for training generative models. It has many applications in statistics such as nonparametric clustering and nonparametric…

机器学习 · 统计学 2023-06-26 Sehwan Kim , Qifan Song , Faming Liang

Simulating parameter-dependent stochastic differential equations (SDEs) presents significant computational challenges, as separate high-fidelity simulations are typically required for each parameter value of interest. Despite the success of…

机器学习 · 统计学 2026-02-03 Minglei Yang , Sicheng He

Neuromorphic data carries information in spatio-temporal patterns encoded by spikes. Accordingly, a central problem in neuromorphic computing is training spiking neural networks (SNNs) to reproduce spatio-temporal spiking patterns in…

机器学习 · 计算机科学 2021-11-03 Bleema Rosenfeld , Osvaldo Simeone , Bipin Rajendran

Generative adversarial networks (GANs) are frequently utilized in astronomy to construct an emulator of numerical simulations. Nevertheless, training GANs can prove to be a precarious task, as they are prone to instability and often lead to…

天体物理仪器与方法 · 物理学 2023-11-14 Xiaosheng Zhao , Yuan-Sen Ting , Kangning Diao , Yi Mao

We present a deep learning model for data-driven simulations of random dynamical systems without a distributional assumption. The deep learning model consists of a recurrent neural network, which aims to learn the time marching structure,…

机器学习 · 计算机科学 2022-04-12 Kyongmin Yeo , Zan Li , Wesley M. Gifford