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Many machine learning methods have been recently developed to circumvent the high computational cost of the gradient-based topology optimization. These methods typically require extensive and costly datasets for training, have a difficult…

机器学习 · 计算机科学 2021-05-10 Mohammad Mahdi Behzadi , Horea T. Ilies

Stochastic differential equations (SDEs) have been widely used to model real world random phenomena. Existing works mainly focus on the case where the time series is modeled by a single SDE, which might be restrictive for modeling time…

机器学习 · 计算机科学 2024-01-23 Zhongchang Sun , Yousef El-Laham , Svitlana Vyetrenko

Conditional sequence generation aims to instruct the generation procedure by conditioning the model with additional context information, which is a self-supervised learning issue (a form of unsupervised learning with supervision information…

人工智能 · 计算机科学 2020-09-21 Yi Yu , Abhishek Srivastava , Rajiv Ratn Shah

Generating high-fidelity time series data using generative adversarial networks (GANs) remains a challenging task, as it is difficult to capture the temporal dependence of joint probability distributions induced by time-series data. Towards…

机器学习 · 计算机科学 2024-04-09 Hang Lou , Siran Li , Hao Ni

Machine learning-based data-driven modeling can allow computationally efficient time-dependent solutions of PDEs, such as those that describe subsurface multiphysical problems. In this work, our previous approach of conditional generative…

计算工程、金融与科学 · 计算机科学 2022-08-31 T. Kadeethum , D. O'Malley , Y. Choi , H. S. Viswanathan , N. Bouklas , H. Yoon

As a new way of training generative models, Generative Adversarial Nets (GAN) that uses a discriminative model to guide the training of the generative model has enjoyed considerable success in generating real-valued data. However, it has…

机器学习 · 计算机科学 2017-08-28 Lantao Yu , Weinan Zhang , Jun Wang , Yong Yu

Many real-world tasks are plagued by limitations on data: in some instances very little data is available and in others, data is protected by privacy enforcing regulations (e.g. GDPR). We consider limitations posed specifically on…

机器学习 · 计算机科学 2022-05-24 Padmanaba Srinivasan , William J. Knottenbelt

This paper develops a generative model by minimizing the second-order Wasserstein loss (the $W_2$ loss) through a distribution-dependent ordinary differential equation (ODE), whose dynamics involves the Kantorovich potential associated with…

机器学习 · 统计学 2026-05-14 Yu-Jui Huang , Zachariah Malik

In this study, a novel topology optimization approach based on conditional Wasserstein generative adversarial networks (CWGAN) is developed to replicate the conventional topology optimization algorithms in an extremely computationally…

机器学习 · 计算机科学 2019-01-16 Sharad Rawat , M. -H. Herman Shen

This paper proposes a new theoretical lens to view Wasserstein generative adversarial networks (WGANs). To minimize the Wasserstein-1 distance between the true data distribution and our estimate of it, we derive a distribution-dependent…

机器学习 · 统计学 2025-02-05 Zachariah Malik , Yu-Jui Huang

A common problem when forecasting rare events, such as recessions, is limited data availability. Recent advancements in deep learning and generative adversarial networks (GANs) make it possible to produce high-fidelity synthetic data in…

机器学习 · 计算机科学 2023-02-22 Sam Dannels

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

This paper introduces Structured Noise Space GAN (SNS-GAN), a novel approach in the field of generative modeling specifically tailored for class-conditional generation in both image and time series data. It addresses the challenge of…

机器学习 · 计算机科学 2023-12-21 Hamidreza Gholamrezaei , Alireza Koochali , Andreas Dengel , Sheraz Ahmed

Time-series data augmentation plays a crucial role in regression-oriented forecasting tasks, where limited data restricts the performance of deep learning models. While Generative Adversarial Networks (GANs) have shown promise in synthetic…

机器学习 · 计算机科学 2026-05-01 Ci Lin , Futong Li , Tet Yeap , Iluju Kiringa

Generative Adversarial Net (GAN) has been proven to be a powerful machine learning tool in image data analysis and generation. In this paper, we propose to use Conditional Generative Adversarial Net (CGAN) to learn and simulate time series…

机器学习 · 统计学 2019-04-26 Rao Fu , Jie Chen , Shutian Zeng , Yiping Zhuang , Agus Sudjianto

Generative models that satisfy hard constraints are critical in many scientific and engineering applications, where physical laws or system requirements must be strictly respected. Many existing constrained generative models, especially…

Conditional generative models have achieved considerable success in the past few years, but usually require a lot of labeled data. Recently, ClusterGAN combines GAN with an encoder to achieve remarkable clustering performance via…

机器学习 · 计算机科学 2021-04-06 Fei Ding , Feng Luo , Yin Yang

We developed a new class of physics-informed generative adversarial networks (PI-GANs) to solve in a unified manner forward, inverse and mixed stochastic problems based on a limited number of scattered measurements. Unlike standard GANs…

机器学习 · 统计学 2018-11-07 Liu Yang , Dongkun Zhang , George Em Karniadakis

Generative models have attracted significant interest due to their ability to handle uncertainty by learning the inherent data distributions. However, two prominent generative models, namely Generative Adversarial Networks (GANs) and…

机器学习 · 计算机科学 2023-04-25 Yu Wang , Zhiwei Liu , Liangwei Yang , Philip S. Yu

Synthetic data is becoming an increasingly promising technology, and successful applications can improve privacy, fairness, and data democratization. While there are many methods for generating synthetic tabular data, the task remains…

机器学习 · 计算机科学 2023-02-27 Alexander Norcliffe , Bogdan Cebere , Fergus Imrie , Pietro Lio , Mihaela van der Schaar