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Deep learning has a great potential to alleviate diagnosis and prognosis for various clinical procedures. However, the lack of a sufficient number of medical images is the most common obstacle in conducting image-based analysis using deep…

Image and Video Processing · Electrical Eng. & Systems 2022-05-23 Marija Habijan , Irena Galic

Electrocardiogram (ECG) acquisition requires an automated system and analysis pipeline for understanding specific rhythm irregularities. Deep neural networks have become a popular technique for tracing ECG signals, outperforming human…

High-quality synthetic data can support the development of effective predictive models for biomedical tasks, especially in rare diseases or when subject to compelling privacy constraints. These limitations, for instance, negatively impact…

Machine Learning · Computer Science 2023-01-24 Lorenzo Simone , Davide Bacciu

Electrocardiogram (ECG) data collection during emergency situations is challenging, making ECG data generation an efficient solution for dealing with highly imbalanced ECG training datasets. In this paper, we propose a novel approach for…

Signal Processing · Electrical Eng. & Systems 2023-06-06 Nour Neifar , Achraf Ben-Hamadou , Afef Mdhaffar , Mohamed Jmaiel , Bernd Freisleben

A generative adversarial network (GAN) based fully automatic electrocardiogram (ECG) arrhythmia classification system with high performance is presented in this paper. The generator (G) in our GAN is designed to generate various coupling…

Machine Learning · Computer Science 2021-03-16 Zhanhong Zhou , Xiaolong Zhai , Chung Tin

Electrocardiogram (ECG) is a widely used non-invasive diagnostic tool for heart diseases. Many studies have devised ECG analysis models (e.g., classifiers) to assist diagnosis. As an upstream task, researches have built generative models to…

Machine Learning · Computer Science 2023-05-30 Jintai Chen , Kuanlun Liao , Kun Wei , Haochao Ying , Danny Z. Chen , Jian Wu

Generating training examples for supervised tasks is a long sought after goal in AI. We study the problem of heart signal electrocardiogram (ECG) synthesis for improved heartbeat classification. ECG synthesis is challenging: the generation…

Signal Processing · Electrical Eng. & Systems 2020-06-30 Tomer Golany , Daniel Freedman , Kira Radinsky

Electrocardiograms (ECGs) and photoplethysmograms (PPGs) are generally used to monitor an individual's cardiovascular health. In clinical settings, ECGs and fingertip PPGs are the main signals used for assessing cardiovascular health, but…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Nathan C. L. Kong , Dae Lee , Huyen Do , Dae Hoon Park , Cong Xu , Hongda Mao , Jonathan Chung

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…

Image and Video Processing · Electrical Eng. & Systems 2020-05-25 Youssef Skandarani , Nathan Painchaud , Pierre-Marc Jodoin , Alain Lalande

Cardiac amyloidosis (CA) is a rare and underdiagnosed infiltrative cardiomyopathy, and available datasets for machine-learning models are typically small, imbalanced and heterogeneous. This paper presents a Generative Adversarial Network…

Machine Learning · Computer Science 2026-01-14 Francesco Speziale , Ugo Lomoio , Fabiola Boccuto , Pierangelo Veltri , Pietro Hiram Guzzi

Automating arrhythmia detection from ECG requires a robust and trusted system that retains high accuracy under electrical disturbances. Many machine learning approaches have reached human-level performance in classifying arrhythmia from…

Signal Processing · Electrical Eng. & Systems 2022-10-14 Khondker Fariha Hossain , Sharif Amit Kamran , Alireza Tavakkoli , Xingjun Ma

Generative models are undoubtedly a hot topic in Artificial Intelligence, among which the most common type is Generative Adversarial Networks (GANs). These architectures let one synthesise artificial datasets by implicitly modelling the…

Machine Learning · Computer Science 2020-07-07 Francisco J. Ibarrola , Nishant Ravikumar , Alejandro F. Frangi

Cardiac disease is the leading cause of death in the US. Accurate heart disease detection is of critical importance for timely medical treatment to save patients' lives. Routine use of electrocardiogram (ECG) is the most common method for…

Signal Processing · Electrical Eng. & Systems 2022-10-21 Zekai Wang , Stavros Stavrakis , Bing Yao

Mammogram inspection in search of breast tumors is a tough assignment that radiologists must carry out frequently. Therefore, image analysis methods are needed for the detection and delineation of breast masses, which portray crucial…

Chest X-ray (CXR) is a low-cost medical imaging technique. It is a common procedure for the identification of many respiratory diseases compared to MRI, CT, and PET scans. This paper presents the use of generative adversarial networks (GAN)…

Image and Video Processing · Electrical Eng. & Systems 2020-09-15 Faizan Munawar , Shoaib Azmat , Talha Iqbal , Christer Grönlund , Hazrat Ali

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

Image translation across domains for unpaired datasets has gained interest and great improvement lately. In medical imaging, there are multiple imaging modalities, with very different characteristics. Our goal is to use cross-modality…

Image and Video Processing · Electrical Eng. & Systems 2022-02-07 Leo Segre , Or Hirschorn , Dvir Ginzburg , Dan Raviv

Medical images with specific pathologies are scarce, but a large amount of data is usually required for a deep convolutional neural network (DCNN) to achieve good accuracy. We consider the problem of segmenting the left ventricular (LV)…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Felix Lau , Tom Hendriks , Jesse Lieman-Sifry , Berk Norman , Sean Sall , Daniel Golden

One of the most challenges in medical imaging is the lack of data. It is proven that classical data augmentation methods are useful but still limited due to the huge variation in images. Using generative adversarial networks (GAN) is a…

Image and Video Processing · Electrical Eng. & Systems 2021-04-16 Amine Amyar , Su Ruan , Pierre Vera , Pierre Decazes , Romain Modzelewski

Conditional generative adversarial networks (cGAN) have led to large improvements in the task of conditional image generation, which lies at the heart of computer vision. The major focus so far has been on performance improvement, while…

Machine Learning · Computer Science 2019-03-14 Grigorios G. Chrysos , Jean Kossaifi , Stefanos Zafeiriou
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