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Background: Medical images are more difficult to acquire and annotate than natural images, which results in data augmentation technologies often being used in medical image segmentation tasks. Most data augmentation technologies used in…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Lianting Hu , Huiying Liang , Jiajie Tang , Xin Li , Li Huang , Long Lu

Accurate and robust medical image classification is a challenging task, especially in application domains where available annotated datasets are small and present high imbalance between target classes. Considering that data acquisition is…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Neil De La Fuente , Mireia Majó , Irina Luzko , Henry Córdova , Gloria Fernández-Esparrach , Jorge Bernal

One of the biggest issues facing the use of machine learning in medical imaging is the lack of availability of large, labelled datasets. The annotation of medical images is not only expensive and time consuming but also highly dependent on…

The clinical deployment of deep learning models for high-stakes tasks such as diabetic retinopathy (DR) grading requires demonstrable reliability. While models achieve high accuracy, their clinical utility is limited by a lack of robust…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Rizwan Ahamed , Annahita Amireskandari , Joel Palko , Carol Laxson , Binod Bhattarai , Prashnna Gyawali

In order to reduce overfitting, neural networks are typically trained with data augmentation, the practice of artificially generating additional training data via label-preserving transformations of existing training examples. While these…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Cecilia Summers , Michael J. Dinneen

The deep Convolutional Neural Network (CNN) became very popular as a fundamental technique for image classification and objects recognition. To improve the recognition accuracy for the more complex tasks, deeper networks have being…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Hideki Oki , Takio Kurita

Data augmentation reduces the generalization error by forcing a model to learn invariant representations given different transformations of the input image. In computer vision, on top of the standard image processing functions, data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Rowel Atienza

In computational pathology, researchers often face challenges due to the scarcity of labeled pathology datasets. Data augmentation emerges as a crucial technique to mitigate this limitation. In this study, we introduce an efficient data…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Jiamu Wang , Jin Tae Kwak

Data augmentation has become a de facto component of deep learning-based medical image segmentation methods. Most data augmentation techniques used in medical imaging focus on spatial and intensity transformations to improve the diversity…

Image and Video Processing · Electrical Eng. & Systems 2023-08-21 Berke Doga Basaran , Weitong Zhang , Mengyun Qiao , Bernhard Kainz , Paul M. Matthews , Wenjia Bai

Several studies indicate that deep learning models can learn to detect breast cancer from mammograms (X-ray images of the breasts). However, challenges with overfitting and poor generalisability prevent their routine use in the clinic.…

Image and Video Processing · Electrical Eng. & Systems 2025-02-05 Emir Ahmed , Spencer A. Thomas , Ciaran Bench

Deep learning models for echocardiography segmentation often struggle to generalise across institutions, scanners, and patient populations, where collecting large, consistently annotated datasets is infeasible. Data augmentation is widely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Soroush Elyasi , Sara Adibzadeh , Nasim Dadashi Serej , Julie Wall , Massoud Zolgharni

Conventional data augmentation realized by performing simple pre-processing operations (\eg, rotation, crop, \etc) has been validated for its advantage in enhancing the performance for medical image segmentation. However, the data generated…

Image and Video Processing · Electrical Eng. & Systems 2020-02-25 Tiexin Qin , Ziyuan Wang , Kelei He , Yinghuan Shi , Yang Gao , Dinggang Shen

Data augmentation is a powerful technique to improve performance in applications such as image and text classification tasks. Yet, there is little rigorous understanding of why and how various augmentations work. In this work, we consider a…

Machine Learning · Computer Science 2023-07-28 Sen Wu , Hongyang R. Zhang , Gregory Valiant , Christopher Ré

Chest X-rays (CXR) are essential for diagnosing a variety of conditions, but when used on new populations, model generalizability issues limit their efficacy. Generative AI, particularly denoising diffusion probabilistic models (DDPMs),…

Deep learning based disease detection and segmentation algorithms promise to improve many clinical processes. However, such algorithms require vast amounts of annotated training data, which are typically not available in the medical context…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Moritz Platscher , Jonathan Zopes , Christian Federau

Data augmentation is of paramount importance in biomedical image processing tasks, characterized by inadequate amounts of labelled data, to best use all of the data that is present. In-use techniques range from intensity transformations and…

Image and Video Processing · Electrical Eng. & Systems 2023-07-06 Subhradeep Kayal , Florian Dubost , Harm A. W. M. Tiddens , Marleen de Bruijne

Data augmentation is a ubiquitous technique for increasing the size of labeled training sets by leveraging task-specific data transformations that preserve class labels. While it is often easy for domain experts to specify individual…

Machine Learning · Statistics 2018-12-10 Alexander J. Ratner , Henry R. Ehrenberg , Zeshan Hussain , Jared Dunnmon , Christopher Ré

Training segmentation networks requires large annotated datasets, which in medical imaging can be hard to obtain. Despite this fact, data augmentation has in our opinion not been fully explored for brain tumor segmentation. In this project…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Marco Domenico Cirillo , David Abramian , Anders Eklund

Recent progress in material data mining has been driven by high-capacity models trained on large datasets. However, collecting experimental data (real data) has been extremely costly since the amount of human effort and expertise required.…

Data augmentation is essential to achieve state-of-the-art performance in many deep learning applications. However, the most effective augmentation techniques become computationally prohibitive for even medium-sized datasets. To address…

Machine Learning · Computer Science 2023-07-21 Tian Yu Liu , Baharan Mirzasoleiman