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Generative adversarial networks (GANs) are a learning framework that rely on training a discriminator to estimate a measure of difference between a target and generated distributions. GANs, as normally formulated, rely on the generated…

Machine Learning · Statistics 2018-02-23 R Devon Hjelm , Athul Paul Jacob , Tong Che , Adam Trischler , Kyunghyun Cho , Yoshua Bengio

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…

Machine Learning · Computer Science 2019-10-31 Eoin Brophy , Zhengwei Wang , Tomas E. Ward

It is known that the inconsistent distribution and representation of different modalities, such as image and text, cause the heterogeneity gap that makes it challenging to correlate such heterogeneous data. Generative adversarial networks…

Multimedia · Computer Science 2018-04-27 Yuxin Peng , Jinwei Qi , Yuxin Yuan

In recent years, financial institutions and firms have increasingly adopted synthetic data to address data scarcity and to generate counterfactual market scenarios. However, reproducing all the statistical properties of financial time…

Machine Learning · Computer Science 2026-05-27 Giuseppe Masi , Andrea Coletta , Novella Bartolini

We introduce COT-GAN, an adversarial algorithm to train implicit generative models optimized for producing sequential data. The loss function of this algorithm is formulated using ideas from Causal Optimal Transport (COT), which combines…

Machine Learning · Statistics 2020-10-23 Tianlin Xu , Li K. Wenliang , Michael Munn , Beatrice Acciaio

Research and education in machine learning needs diverse, representative, and open datasets that contain sufficient samples to handle the necessary training, validation, and testing tasks. Currently, the Recommender Systems area includes a…

Information Retrieval · Computer Science 2023-03-03 Jesús Bobadilla , Abraham Gutiérrez , Raciel Yera , Luis Martínez

Generative Adversarial Networks are used for generating the data using a generator and a discriminator, GANs usually produce high-quality images, but training GANs in an adversarial setting is a difficult task. GANs require high computation…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Md Nurul Muttakin , Malik Shahid Sultan , Robert Hoehndorf , Hernando Ombao

Signal measurements appearing in the form of time series are one of the most common types of data used in medical machine learning applications. However, such datasets are often small, making the training of deep neural network…

Machine Learning · Computer Science 2022-06-28 Xiaomin Li , Vangelis Metsis , Huangyingrui Wang , Anne Hee Hiong Ngu

This work presents the first statistical performance guarantees for group-invariant generative models. Many real data, such as images and molecules, are invariant to certain group symmetries, which can be taken advantage of to learn more…

Machine Learning · Statistics 2025-03-12 Ziyu Chen , Markos A. Katsoulakis , Luc Rey-Bellet , Wei Zhu

Engineering design tasks often require synthesizing new designs that meet desired performance requirements. The conventional design process, which requires iterative optimization and performance evaluation, is slow and dependent on initial…

Machine Learning · Computer Science 2021-06-08 Amin Heyrani Nobari , Wei Chen , Faez Ahmed

Recently introduced generative adversarial network (GAN) has been shown numerous promising results to generate realistic samples. The essential task of GAN is to control the features of samples generated from a random distribution. While…

Machine Learning · Computer Science 2019-04-02 Minhyeok Lee , Junhee Seok

Generative Adversarial Networks (GANs) are proficient at generating synthetic data but continue to suffer from mode collapse, where the generator produces a narrow range of outputs that fool the discriminator but fail to capture the full…

Machine Learning · Computer Science 2025-11-03 Mahsa Valizadeh , Rui Tuo , James Caverlee

Time series synthesis is an important research topic in the field of deep learning, which can be used for data augmentation. Time series data types can be broadly classified into regular or irregular. However, there are no existing…

Machine Learning · Computer Science 2022-10-12 Jinsung Jeon , Jeonghak Kim , Haryong Song , Seunghyeon Cho , Noseong Park

The utility of tabular data for tasks ranging from model training to large-scale data analysis is often constrained by privacy concerns or regulatory hurdles. While existing data generation methods, particularly those based on Generative…

Machine Learning · Computer Science 2025-10-29 Tu Anh Hoang Nguyen , Dang Nguyen , Tri-Nhan Vo , Thuc Duy Le , Sunil Gupta

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…

Machine Learning · Statistics 2023-06-26 Sehwan Kim , Qifan Song , Faming Liang

Face aging is to render a given face to predict its future appearance, which plays an important role in the information forensics and security field as the appearance of the face typically varies with age. Although impressive results have…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Zhizhong Huang , Shouzhen Chen , Junping Zhang , Hongming Shan

As a revolutionary generative paradigm of deep learning, generative adversarial networks (GANs) have been widely applied in various fields to synthesize realistic data. However, it is challenging for conventional GANs to synthesize raw…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Weidong Wang , Jiancheng An , Hongshu Liao , Lu Gan , Chau Yuen

In standard generative deep learning models, such as autoencoders or GANs, the size of the parameter set is proportional to the complexity of the generated data distribution. A significant challenge is to deploy resource-hungry deep…

Machine Learning · Computer Science 2021-10-29 Shreshth Tuli , Shikhar Tuli , Giuliano Casale , Nicholas R. Jennings

In this work, we propose a method for training distributed GAN with sequential temporary discriminators. Our proposed method tackles the challenge of training GAN in the federated learning manner: How to update the generator with a flow of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Hui Qu , Yikai Zhang , Qi Chang , Zhennan Yan , Chao Chen , Dimitris Metaxas

Thanks to their remarkable generative capabilities, GANs have gained great popularity, and are used abundantly in state-of-the-art methods and applications. In a GAN based model, a discriminator is trained to learn the real data…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Firas Shama , Roey Mechrez , Alon Shoshan , Lihi Zelnik-Manor