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Artificial Intelligence (AI)-based models can help in diagnosing COVID-19 from lung CT scans and X-ray images; however, these models require large amounts of data for training and validation. Many researchers studied Generative Adversarial…

Image and Video Processing · Electrical Eng. & Systems 2023-04-10 Hazrat Ali , Christer Gronlund , Zubair Shah

This study is part of a larger project focused on measuring, understanding, and improving student engagement in programming education. We investigate whether synthetic data generation can help identify at-risk students earlier in a small,…

Computers and Society · Computer Science 2025-05-26 Daniel Flood , Matthew England , Beate Grawemeyer

Due to confidentiality issues, it can be difficult to access or share interesting datasets for methodological development in actuarial science, or other fields where personal data are important. We show how to design three different types…

Machine Learning · Statistics 2020-08-17 Marie-Pier Cote , Brian Hartman , Olivier Mercier , Joshua Meyers , Jared Cummings , Elijah Harmon

The rapid advancement of generative models, such as Stable Diffusion, raises a key question: how can synthetic data from these models enhance predictive modeling? While they can generate vast amounts of datasets, only a subset meaningfully…

Machine Learning · Statistics 2025-05-09 Jialong Jiang , Wenkang Hu , Jian Huang , Yuling Jiao , Xu Liu

Hashing has been a widely-adopted technique for nearest neighbor search in large-scale image retrieval tasks. Recent research has shown that leveraging supervised information can lead to high quality hashing. However, the cost of annotating…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Zhaofan Qiu , Yingwei Pan , Ting Yao , Tao Mei

The importance of Synthetic Data Generation (SDG) has increased significantly in domains where data quality is poor or access is limited due to privacy and regulatory constraints. One such domain is recruitment, where publicly available…

Machine Learning · Computer Science 2025-11-24 Andrea Iommi , Antonio Mastropietro , Riccardo Guidotti , Anna Monreale , Salvatore Ruggieri

Synthetic data generation has been widely adopted in software testing, data privacy, imbalanced learning, and artificial intelligence explanation. In all such contexts, it is crucial to generate plausible data samples. A common assumption…

Artificial Intelligence · Computer Science 2024-10-16 Martina Cinquini , Fosca Giannotti , Riccardo Guidotti

Recently, realistic data augmentation using neural networks especially generative neural networks (GAN) has achieved outstanding results. The communities main research focus is visual image processing. However, automotive cars and robots…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Maximilian Pöpperl , Raghavendra Gulagundi , Senthil Yogamani , Stefan Milz

Sampling the phase space of molecular systems -- and, more generally, of complex systems effectively modeled by stochastic differential equations -- is a crucial modeling step in many fields, from protein folding to materials discovery.…

Machine Learning · Computer Science 2023-12-12 Ellis R. Crabtree , Juan M. Bello-Rivas , Andrew L. Ferguson , Ioannis G. Kevrekidis

Generative Adversarial Networks (GANs) is a powerful family of models that learn an underlying distribution to generate synthetic data. Many existing studies of GANs focus on improving the realness of the generated image data for visual…

Machine Learning · Computer Science 2021-11-04 Si-An Chen , Chun-Liang Li , Hsuan-Tien Lin

Time series forecasting is essential across domains from finance to supply chain management. This paper introduces ForecastGAN, a novel decomposition based adversarial framework addressing limitations in existing approaches for…

Machine Learning · Computer Science 2025-11-07 Syeda Sitara Wishal Fatima , Afshin Rahimi

Data scarcity and the high cost of annotation have long been persistent challenges in the field of materials science. Inspired by its potential in other fields like computer vision, we propose the MatWheel framework, which train the…

Machine Learning · Computer Science 2025-04-15 Wentao Li , Yizhe Chen , Jiangjie Qiu , Xiaonan Wang

Class imbalance in a dataset is a major problem for classifiers that results in poor prediction with a high true positive rate (TPR) but a low true negative rate (TNR) for a majority positive training dataset. Generally, the pre-processing…

Machine Learning · Computer Science 2022-03-29 Anuraganand Sharma , Prabhat Kumar Singh , Rohitash Chandra

The prevalence of networked sensors and actuators in many real-world systems such as smart buildings, factories, power plants, and data centers generate substantial amounts of multivariate time series data for these systems. The rich sensor…

Machine Learning · Computer Science 2019-01-17 Dan Li , Dacheng Chen , Lei Shi , Baihong Jin , Jonathan Goh , See-Kiong Ng

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…

Machine Learning · Computer Science 2024-08-08 Guiye Li , Guofeng Cao

This paper presents a deep-learning framework, Multi-load Generative Adversarial Network (MultiLoad-GAN), for generating a group of synthetic load profiles (SLPs) simultaneously. The main contribution of MultiLoad-GAN is the capture of…

Signal Processing · Electrical Eng. & Systems 2023-08-25 Yi Hu , Yiyan Li , Lidong Song , Han Pyo Lee , PJ Rehm , Matthew Makdad , Edmond Miller , Ning Lu

The Generative Adversarial Networks (GANs) have demonstrated impressive performance for data synthesis, and are now used in a wide range of computer vision tasks. In spite of this success, they gained a reputation for being difficult to…

Machine Learning · Statistics 2017-12-07 Tatjana Chavdarova , François Fleuret

High-fidelity generative models are increasingly needed in privacy-sensitive scenarios, where access to data is severely restricted due to regulatory and copyright constraints. This scarcity hampers model development--ironically, in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Xuemei Jia , Jiawei Du , Hui Wei , Jun Chen , Joey Tianyi Zhou , Zheng Wang

Time series data are essential for a wide range of applications, particularly in developing robust machine learning models. However, access to high-quality datasets is often limited due to privacy concerns, acquisition costs, and labeling…

Machine Learning · Computer Science 2026-02-02 Jaime Vale , Vanessa Freitas Silva , Maria Eduarda Silva , Fernando Silva

The banking sector faces challenges in using deep learning due to data sensitivity and regulatory constraints, but generative AI may offer a solution. Thus, this study identifies effective algorithms for generating synthetic financial…

Machine Learning · Computer Science 2024-12-20 Fabian Sven Karst , Sook-Yee Chong , Abigail A. Antenor , Enyu Lin , Mahei Manhai Li , Jan Marco Leimeister