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In this work, we propose data augmentation via pairwise mixup across subgroups to improve group fairness. Many real-world applications of machine learning systems exhibit biases across certain groups due to under-representation or training…

Machine Learning · Statistics 2023-09-14 Madeline Navarro , Camille Little , Genevera I. Allen , Santiago Segarra

Machine learning (ML) models have difficulty generalizing when the number of training class instances are numerically imbalanced. The problem of generalization in the face of data imbalance has largely been attributed to the lack of…

Machine Learning · Computer Science 2024-07-16 Damien A. Dablain , Nitesh V. Chawla

Recent state-of-the-art forecasting methods are trained on collections of time series. These methods, often referred to as global models, can capture common patterns in different time series to improve their generalization performance.…

Machine Learning · Computer Science 2024-04-30 Vitor Cerqueira , Nuno Moniz , Ricardo Inácio , Carlos Soares

Machine learning has gained widespread attention as a powerful tool to identify structure in complex, high-dimensional data. However, these techniques are ostensibly inapplicable for experimental systems where data is scarce or expensive to…

Current data augmentation techniques and transformations are well suited for improving the size and quality of natural image datasets but are not yet optimized for medical imaging. We hypothesize that sub-optimal data augmentations can…

Image and Video Processing · Electrical Eng. & Systems 2023-01-06 Tara M. Pattilachan , Ugur Demir , Elif Keles , Debesh Jha , Derk Klatte , Megan Engels , Sanne Hoogenboom , Candice Bolan , Michael Wallace , Ulas Bagci

Subspace clustering is the classical problem of clustering a collection of data samples that approximately lie around several low-dimensional subspaces. The current state-of-the-art approaches for this problem are based on the…

Machine Learning · Computer Science 2023-01-26 Maryam Abdolali , Nicolas Gillis

Data augmentation in deep neural networks is the process of generating artificial data in order to reduce the variance of the classifier with the goal to reduce the number of errors. This idea has been shown to improve deep neural network's…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Hassan Ismail Fawaz , Germain Forestier , Jonathan Weber , Lhassane Idoumghar , Pierre-Alain Muller

The generation of artificial data based on existing observations, known as data augmentation, is a technique used in machine learning to improve model accuracy, generalisation, and to control overfitting. Augmentor is a software package,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Marcus D. Bloice , Christof Stocker , Andreas Holzinger

Data Augmentation (DA) is frequently used to provide additional training data without extra human annotation automatically. However, data augmentation may introduce noisy data that impairs training. To guarantee the quality of augmented…

Computation and Language · Computer Science 2024-02-01 Tianqing Fang , Wenxuan Zhou , Fangyu Liu , Hongming Zhang , Yangqiu Song , Muhao Chen

Medical image analysis suffers from a lack of labeled data due to several challenges including patient privacy and lack of experts. Although some AI models only perform well with large amounts of data, we will move to data augmentation…

Image and Video Processing · Electrical Eng. & Systems 2025-11-26 Khadija Rais , Mohamed Amroune , Mohamed Yassine Haouam , Abdelmadjid Benmachiche

Data augmentation is widely applied and has shown its benefits in different machine learning tasks. However, as recently observed, it may have an unfair effect in multi-class classification. While data augmentation generally improves the…

Computers and Society · Computer Science 2025-07-01 Yunpeng Jiang , Yutong Ban , Paul Weng

Contrary to most machine learning models, modern deep artificial neural networks typically include multiple components that contribute to regularization. Despite the fact that some (explicit) regularization techniques, such as weight decay…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Alex Hernández-García , Peter König

In many machine learning tasks, known symmetries can be used as an inductive bias to improve model performance. In this paper, we consider learning group equivariance through training with data augmentation. We summarize results from a…

Machine Learning · Statistics 2025-02-11 Oskar Nordenfors , Axel Flinth

Multi-label classification poses challenges due to imbalanced and noisy labels in training data. We propose a unified data augmentation method, named BalanceMix, to address these challenges. Our approach includes two samplers for imbalanced…

Machine Learning · Computer Science 2023-12-13 Hwanjun Song , Minseok Kim , Jae-Gil Lee

Data augmentation has emerged as a powerful technique for improving the performance of deep neural networks and led to state-of-the-art results in computer vision. However, state-of-the-art data augmentation strongly distorts training…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Amil Merchant , Barret Zoph , Ekin Dogus Cubuk

Data augmentation is an important technique to reduce overfitting and improve learning performance, but existing works on data augmentation for 3D point cloud data are based on heuristics. In this work, we instead propose to automatically…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Wanyue Zhang , Xun Xu , Fayao Liu , Le Zhang , Chuan-Sheng Foo

Data augmentation has been widely used to improve deep neural networks in many research fields, such as computer vision. However, less work has been done in the context of text, partially due to its discrete nature and the complexity of…

Computation and Language · Computer Science 2021-01-12 Ping Yu , Ruiyi Zhang , Yang Zhao , Yizhe Zhang , Chunyuan Li , Changyou Chen

Despite the impressive progress brought by deep network in visual object recognition, robot vision is still far from being a solved problem. The most successful convolutional architectures are developed starting from ImageNet, a large scale…

Computer Vision and Pattern Recognition · Computer Science 2017-05-08 Antonio D'Innocente , Fabio Maria Carlucci , Mirco Colosi , Barbara Caputo

Data augmentation techniques play an important role in enhancing the performance of deep learning models. Despite their proven benefits in computer vision tasks, their application in the other domains remains limited. This paper proposes a…

Machine Learning · Computer Science 2024-01-23 Yousef El-Laham , Elizabeth Fons , Dillon Daudert , Svitlana Vyetrenko

We present a method for expanding a dataset by incorporating knowledge from the wide distribution of pre-trained latent diffusion models. Data augmentations typically incorporate inductive biases about the image formation process into the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Orest Kupyn , Christian Rupprecht