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Machine learning has significant potential for optimizing various industrial processes. However, data acquisition remains a major challenge as it is both time-consuming and costly. Synthetic data offers a promising solution to augment…

Artificial Intelligence · Computer Science 2025-11-12 Georg Rottenwalter , Marcel Tilly , Christian Bielenberg , Katharina Obermeier

While synthetic data hold great promise for privacy protection, their statistical analysis poses significant challenges that necessitate innovative solutions. The use of deep generative models (DGMs) for synthetic data generation is known…

Despite the fact that data imbalance is becoming more and more common in real-world Spoken Language Understanding (SLU) applications, it has not been studied extensively in the literature. To the best of our knowledge, this paper presents…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-07 Judith Gaspers , Quynh Do , Fabian Triefenbach

Recent years have witnessed a surge in the popularity of Machine Learning (ML), applied across diverse domains. However, progress is impeded by the scarcity of training data due to expensive acquisition and privacy legislation. Synthetic…

Machine Learning · Computer Science 2024-02-05 André Bauer , Simon Trapp , Michael Stenger , Robert Leppich , Samuel Kounev , Mark Leznik , Kyle Chard , Ian Foster

Synthetic data serves as an alternative in training machine learning models, particularly when real-world data is limited or inaccessible. However, ensuring that synthetic data mirrors the complex nuances of real-world data is a challenging…

Machine Learning · Computer Science 2023-10-27 Lasse Hansen , Nabeel Seedat , Mihaela van der Schaar , Andrija Petrovic

Synthetic data is useful only when the added samples fill missing parts of the training distribution that matter for the downstream task. We introduce LiBaGS, a lightweight, generator-agnostic method for targeted synthetic training data…

Machine Learning · Computer Science 2026-05-14 Abhishek Moturu , Anna Goldenberg , Babak Taati

Electrocardiogram (ECG) datasets tend to be highly imbalanced due to the scarcity of abnormal cases. Additionally, the use of real patients' ECGs is highly regulated due to privacy issues. Therefore, there is always a need for more ECG…

Machine Learning · Computer Science 2022-08-25 Edmond Adib , Fatemeh Afghah , John J. Prevost

Autonomous driving techniques have been flourishing in recent years while thirsting for huge amounts of high-quality data. However, it is difficult for real-world datasets to keep up with the pace of changing requirements due to their…

Image and Video Processing · Electrical Eng. & Systems 2024-02-29 Zhihang Song , Zimin He , Xingyu Li , Qiming Ma , Ruibo Ming , Zhiqi Mao , Huaxin Pei , Lihui Peng , Jianming Hu , Danya Yao , Yi Zhang

Accurately evaluating model performance is crucial for deploying machine learning systems in real-world applications. Traditional methods often require a sufficiently large labeled test set to ensure a reliable evaluation. However, in many…

Machine Learning · Computer Science 2025-11-04 Hai Hoang Thanh , Duy-Tung Nguyen , Hung The Tran , Khoat Than

Despite extensive research spanning several decades, class imbalance is still considered a profound difficulty for both machine learning and deep learning models. While data oversampling is the foremost technique to address this issue,…

Machine Learning · Computer Science 2025-02-12 Sukumar Kishanthan , Asela Hevapathige

Synthetic data can improve generalization when real data is scarce, but excessive reliance may introduce distributional mismatches that degrade performance. In this paper, we present a learning-theoretic framework to quantify the trade-off…

Machine Learning · Statistics 2026-04-02 Amitis Shidani , Tyler Farghly , Yang Sun , Habib Ganjgahi , George Deligiannidis

Machine learning has the potential to assist many communities in using the large datasets that are becoming more and more available. Unfortunately, much of that potential is not being realized because it would require sharing data in a way…

Machine Learning · Computer Science 2018-07-02 James Jordon , Jinsung Yoon , Mihaela van der Schaar

Long-tailed distributions in image recognition pose a considerable challenge due to the severe imbalance between a few dominant classes with numerous examples and many minority classes with few samples. Recently, the use of large generative…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Guangxi Li , Yinsheng Song , Mingkai Zheng

As insufficient data volume and quality remain the key impediments to the adoption of modern subsymbolic AI, techniques of synthetic data generation are in high demand. Simulation offers an apt, systematic approach to generating diverse…

Artificial Intelligence · Computer Science 2026-02-18 Xiaoran Liu , Istvan David

The standard approach to tackling computer vision problems is to train deep convolutional neural network (CNN) models using large-scale image datasets which are representative of the target task. However, in many scenarios, it is often…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Alhassan Mumuni , Fuseini Mumuni , Nana Kobina Gerrar

This study investigates the possibility of mitigating the demographic biases that affect face recognition technologies through the use of synthetic data. Demographic biases have the potential to impact individuals from specific demographic…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Pietro Melzi , Christian Rathgeb , Ruben Tolosana , Ruben Vera-Rodriguez , Aythami Morales , Dominik Lawatsch , Florian Domin , Maxim Schaubert

Synthetic data, or data generated by machine learning models, is increasingly emerging as a solution to the data access problem. However, its use introduces significant governance and accountability challenges, and potentially debases…

Computers and Society · Computer Science 2025-06-03 Madhavendra Thakur , Jason Hausenloy

Within the evolving landscape of deep learning, the dilemma of data quantity and quality has been a long-standing problem. The recent advent of Large Language Models (LLMs) offers a data-centric solution to alleviate the limitations of…

Computation and Language · Computer Science 2024-06-24 Lin Long , Rui Wang , Ruixuan Xiao , Junbo Zhao , Xiao Ding , Gang Chen , Haobo Wang

Synthetic image data generation represents a promising avenue for training deep learning models, particularly in the realm of transfer learning, where obtaining real images within a specific domain can be prohibitively expensive due to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Yuhang Li , Xin Dong , Chen Chen , Jingtao Li , Yuxin Wen , Michael Spranger , Lingjuan Lyu

Generative text-to-image models enable us to synthesize unlimited amounts of images in a controllable manner, spurring many recent efforts to train vision models with synthetic data. However, every synthetic image ultimately originates from…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Scott Geng , Cheng-Yu Hsieh , Vivek Ramanujan , Matthew Wallingford , Chun-Liang Li , Pang Wei Koh , Ranjay Krishna