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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…

Generative Adversarial Networks (GANs) have become exceedingly popular in a wide range of data-driven research fields, due in part to their success in image generation. Their ability to generate new samples, often from only a small amount…

Computation and Language · Computer Science 2019-03-19 Thomas Wiest , Nicholas Cummins , Alice Baird , Simone Hantke , Judith Dineley , Björn Schuller

The development of accurate medical image classification models is often constrained by privacy concerns and data scarcity for certain conditions, leading to small and imbalanced datasets. To address these limitations, this study explores…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Iman Khazrak , Shakhnoza Takhirova , Mostafa M. Rezaee , Mehrdad Yadollahi , Robert C. Green , Shuteng Niu

Conditional generative models map input variables to complex, high-dimensional distributions, enabling realistic sample generation in a diverse set of domains. A critical challenge with these models is the absence of calibrated uncertainty,…

Machine Learning · Computer Science 2026-02-02 Qidong Yang , Qianyu Julie Zhu , Jonathan Giezendanner , Youssef Marzouk , Stephen Bates , Sherrie Wang

The availability of rich 3D datasets corresponding to the geometrical complexity of the built environments is considered an ongoing challenge for 3D deep learning methodologies. To address this challenge, we introduce GenScan, a generative…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Mohammad Keshavarzi , Oladapo Afolabi , Luisa Caldas , Allen Y. Yang , Avideh Zakhor

Deep generative models have achieved significant progress in speech synthesis to date, while high-fidelity singing voice synthesis is still an open problem for its long continuous pronunciation, rich high-frequency parts, and strong…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-08 Rongjie Huang , Chenye Cui , Feiyang Chen , Yi Ren , Jinglin Liu , Zhou Zhao , Baoxing Huai , Zhefeng Wang

Handling imbalance in class distribution when building a classifier over tabular data has been a problem of long-standing interest. One popular approach is augmenting the training dataset with synthetically generated data. While classical…

Machine Learning · Computer Science 2025-02-20 Annie D'souza , Swetha M , Sunita Sarawagi

Data imbalance in training data often leads to biased predictions from trained models, which in turn causes ethical and social issues. A straightforward solution is to carefully curate training data, but given the enormous scale of modern…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Moon Ye-Bin , Nam Hyeon-Woo , Wonseok Choi , Nayeong Kim , Suha Kwak , Tae-Hyun Oh

Data is the lifeblood of the modern world, forming a fundamental part of AI, decision-making, and research advances. With increase in interest in data, governments have taken important steps towards a regulated data world, drastically…

Cryptography and Security · Computer Science 2024-06-11 Sikha Pentyala , Mayana Pereira , Martine De Cock

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

Methods that use neural networks for synthesizing 3D shapes in the form of a part-based representation have been introduced over the last few years. These methods represent shapes as a graph or hierarchy of parts and enable a variety of…

Graphics · Computer Science 2024-09-20 Yanran Guan , Oliver van Kaick

Privacy-preserving synthetic data offers a promising solution to harness segregated data in high-stakes domains where information is compartmentalized for regulatory, privacy, or institutional reasons. This survey provides a comprehensive…

Cryptography and Security · Computer Science 2025-03-28 Viktor Schlegel , Anil A Bharath , Zilong Zhao , Kevin Yee

Large Language Models (LLMs) such as GPT-4 and Llama3 have significantly impacted various fields by enabling high-quality synthetic data generation and reducing dependence on expensive human-generated datasets. Despite this, challenges…

Computation and Language · Computer Science 2025-11-18 Yue Huang , Siyuan Wu , Chujie Gao , Dongping Chen , Qihui Zhang , Yao Wan , Tianyi Zhou , Jianfeng Gao , Chaowei Xiao , Lichao Sun , Xiangliang Zhang

How can we release a massive volume of sensitive data while mitigating privacy risks? Privacy-preserving data synthesis enables the data holder to outsource analytical tasks to an untrusted third party. The state-of-the-art approach for…

Machine Learning · Computer Science 2022-03-08 Shun Takagi , Tsubasa Takahashi , Yang Cao , Masatoshi Yoshikawa

Recently, it has been exposed that some modern facial recognition systems could discriminate specific demographic groups and may lead to unfair attention with respect to various facial attributes such as gender and origin. The main reason…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Parsa Rahimi , Christophe Ecabert , Sebastien Marcel

This study examines the impact of class-imbalanced data on deep learning models and proposes a technique for data balancing by generating synthetic data for the minority class. Unlike random-based oversampling, our method prioritizes…

Machine Learning · Computer Science 2024-02-26 Hung Nguyen , Morris Chang

Due to their data-driven nature, Machine Learning (ML) models are susceptible to bias inherited from data, especially in classification problems where class and group imbalances are prevalent. Class imbalance (in the classification target)…

Machine Learning · Computer Science 2024-09-10 Emmanouil Panagiotou , Arjun Roy , Eirini Ntoutsi

We propose a framework based on Generative Adversarial Networks to disentangle the identity and attributes of faces, such that we can conveniently recombine different identities and attributes for identity preserving face synthesis in open…

Computer Vision and Pattern Recognition · Computer Science 2018-08-10 Jianmin Bao , Dong Chen , Fang Wen , Houqiang Li , Gang Hua

Privacy is an important concern for our society where sharing data with partners or releasing data to the public is a frequent occurrence. Some of the techniques that are being used to achieve privacy are to remove identifiers, alter…

Databases · Computer Science 2018-07-04 Noseong Park , Mahmoud Mohammadi , Kshitij Gorde , Sushil Jajodia , Hongkyu Park , Youngmin Kim

Deep learning-based food image classification enables precise identification of food categories, further facilitating accurate nutritional analysis. However, real-world food images often show a skewed distribution, with some food types…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 GaYeon Koh , Hyun-Jic Oh , Jeonghyun Noh , Won-Ki Jeong