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In this work, we propose a Variational Autoencoder (VAE) - Generative Adversarial Networks (GAN) model that can produce highly realistic MRI together with its pixel accurate groundtruth for the application of cine-MR image cardiac…

图像与视频处理 · 电气工程与系统科学 2020-05-25 Youssef Skandarani , Nathan Painchaud , Pierre-Marc Jodoin , Alain Lalande

Synthetic data generation, a cornerstone of Generative Artificial Intelligence, promotes a paradigm shift in data science by addressing data scarcity and privacy while enabling unprecedented performance. As synthetic data becomes more…

机器学习 · 统计学 2024-03-12 Xiaotong Shen , Yifei Liu , Rex Shen

Although mechanical ventilation is a lifesaving intervention in the ICU, it has harmful side-effects, such as barotrauma and volutrauma. These harms can occur due to asynchronies. Asynchronies are defined as a mismatch between the…

计算机视觉与模式识别 · 计算机科学 2022-02-11 A. van Diepen , T. H. G. F. Bakkes , A. J. R. De Bie , S. Turco , R. A. Bouwman , P. H. Woerlee , M. Mischi

Generative AI models hold great potential in creating synthetic brain MRIs that advance neuroimaging studies by, for example, enriching data diversity. However, the mainstay of AI research only focuses on optimizing the visual quality (such…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Wei Peng , Tomas Bosschieter , Jiahong Ouyang , Robert Paul , Ehsan Adeli , Qingyu Zhao , Kilian M. Pohl

Access to medical data is highly restricted due to its sensitive nature, preventing communities from using this data for research or clinical training. Common methods of de-identification implemented to enable the sharing of data are…

信号处理 · 电气工程与系统科学 2019-09-23 Anne Marie Delaney , Eoin Brophy , Tomas E. Ward

We present an empirical evaluation of fMRI data augmentation via synthesis. For synthesis we use generative mod-els trained on real neuroimaging data to produce novel task-dependent functional brain images. Analyzed generative mod-els…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Peiye Zhuang , Alexander G. Schwing , Sanmi Koyejo

Controllable data generation aims to synthesize data by specifying values for target concepts. Achieving this reliably requires modeling the underlying generative factors and their relationships. In real-world scenarios, these factors…

机器学习 · 计算机科学 2025-11-21 Qilong Zhao , Shiyu Wang , Zeeshan Memon , Yang Qiao , Guangji Bai , Bo Pan , Zhaohui Qin , Liang Zhao

The estimation of patient-specific tissue properties in the form of model parameters is important for personalized physiological models. However, these tissue properties are spatially varying across the underlying anatomical model,…

机器学习 · 统计学 2020-05-19 Jwala Dhamala , Sandesh Ghimire , John L. Sapp , B. Milan Horácek , Linwei Wang

Generative Adversarial Networks (GANs) have gained significant attention in several computer vision tasks for generating high-quality synthetic data. Various medical applications including diagnostic imaging and radiation therapy can…

图像与视频处理 · 电气工程与系统科学 2022-07-25 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

We revisit the problem of generating synthetic data under differential privacy. To address the core limitations of marginal-based methods, we propose the Private Adaptive Generative Adversarial Network with Bayes Network Structure…

机器学习 · 统计学 2025-11-12 Ke Jia , Yuheng Ma , Yang Li , Feifei Wang

The development of generative models in the past decade has allowed for hyperrealistic data synthesis. While potentially beneficial, this synthetic data generation process has been relatively underexplored in cancer histopathology. One…

图像与视频处理 · 电气工程与系统科学 2024-12-10 Aakash Madhav Rao , Debayan Gupta

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…

图像与视频处理 · 电气工程与系统科学 2023-04-10 Hazrat Ali , Christer Gronlund , Zubair Shah

Preservation of private user data is of paramount importance for high Quality of Experience (QoE) and acceptability, particularly with services treating sensitive data, such as IT-based health services. Whereas anonymization techniques were…

机器学习 · 计算机科学 2024-03-04 Navid Ashrafi , Vera Schmitt , Robert P. Spang , Sebastian Möller , Jan-Niklas Voigt-Antons

In CT angiography, the accurate segmentation of abdominal aortic aneurysms (AAAs) is difficult due to large anatomical variability, low-contrast vessel boundaries, and the close proximity of organs whose intensities resemble vascular…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Osamah Sufyan , Martin Brückmann , Ralph Wickenhöfer , Babette Dellen , Uwe Jaekel

Natural systems with emergent behaviors often organize along low-dimensional subsets of high-dimensional spaces. For example, despite the tens of thousands of genes in the human genome, the principled study of genomics is fruitful because…

Background: In recent years automated data analysis techniques have drawn great attention and are used in almost every field of research including biomedical. Artificial Neural Networks (ANNs) are one of the Computer- Aided- Diagnosis tools…

神经与进化计算 · 计算机科学 2012-11-08 M. Bazarghan , Y. Jaberi , R. Amandi , M. Abedi

Generalizing to unseen image domains is a challenging problem primarily due to the lack of diverse training data, inaccessible target data, and the large domain shift that may exist in many real-world settings. As such data augmentation is…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Sheng Cheng , Tejas Gokhale , Yezhou Yang

This work introduces AD-SVFD, a deep learning model for the deformable registration of vascular shapes to a pre-defined reference and for the generation of synthetic anatomies. AD-SVFD operates by representing each geometry as a weighted…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Riccardo Tenderini , Luca Pegolotti , Fanwei Kong , Stefano Pagani , Francesco Regazzoni , Alison L. Marsden , Simone Deparis

Deep learning models need a sufficient amount of data in order to be able to find the hidden patterns in it. It is the purpose of generative modeling to learn the data distribution, thus allowing us to sample more data and augment the…

机器学习 · 计算机科学 2024-11-28 José Fernando Núñez , Jamie Arjona , Javier Béjar

Synthetic data generation has emerged as a promising approach to address the challenges of using sensitive financial data in machine learning applications. By leveraging generative models, such as Generative Adversarial Networks (GANs) and…

机器学习 · 计算机科学 2025-10-31 James Meldrum , Basem Suleiman , Fethi Rabhi , Muhammad Johan Alibasa