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Recent years have witnessed a growing academic and industrial interest in deep learning (DL) for medical imaging. To perform well, DL models require very large labeled datasets. However, most medical imaging datasets are small, with a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Minh H. Vu , Lorenzo Tronchin , Tufve Nyholm , Tommy Löfstedt

As generative AI progresses rapidly, new synthetic image generators continue to emerge at a swift pace. Traditional detection methods face two main challenges in adapting to these generators: the forensic traces of synthetic images from new…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Aref Azizpour , Tai D. Nguyen , Manil Shrestha , Kaidi Xu , Edward Kim , Matthew C. Stamm

Electrocardiograms (ECGs) are vital for monitoring cardiac health, enabling the assessment of heart rate variability (HRV), detection of arrhythmias, and diagnosis of cardiovascular conditions. However, ECG signals recorded from wearable…

Machine Learning · Computer Science 2025-12-17 Sharmad Kalpande , Nilesh Kumar Sahu , Haroon Lone

An important paradigm in smart health is developing diagnosis tools and monitoring a patient's heart activity through processing Electrocardiogram (ECG) signals is a key example, sue to high mortality rate of heart-related disease. However,…

Signal Processing · Electrical Eng. & Systems 2018-11-02 Jiaming Chen , Ali Valehi , Abolfazl Razi

The use of synthetic images in medical imaging Artificial Intelligence (AI) solutions has been shown to be beneficial in addressing the limited availability of diverse, unbiased, and representative data. Despite the extensive use of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Elay Dahan , Hedda Cohen Indelman , Angeles M. Perez-Agosto , Carmit Shiran , Gopal Avinash , Doron Shaked , Nati Daniel

Acquiring large quantities of data and annotations is known to be effective for developing high-performing deep learning models, but is difficult and expensive to do in the healthcare context. Adding synthetic training data using generative…

Image and Video Processing · Electrical Eng. & Systems 2023-10-06 Menghan Yu , Sourabh Kulhare , Courosh Mehanian , Charles B Delahunt , Daniel E Shea , Zohreh Laverriere , Ishan Shah , Matthew P Horning

A brain-computer interface (BCI) enables direct communication between the human brain and external devices. Electroencephalography (EEG) based BCIs are currently the most popular for able-bodied users. To increase user-friendliness, usually…

Human-Computer Interaction · Computer Science 2024-12-05 Ziwei Wang , Siyang Li , Jingwei Luo , Jiajing Liu , Dongrui Wu

Objective: The use of deep learning for electroencephalography (EEG) classification tasks has been rapidly growing in the last years, yet its application has been limited by the relatively small size of EEG datasets. Data augmentation,…

Machine Learning · Computer Science 2022-11-16 Cédric Rommel , Joseph Paillard , Thomas Moreau , Alexandre Gramfort

Current medical image synthetic augmentation techniques rely on intensive use of generative adversarial networks (GANs). However, the nature of GAN architecture leads to heavy computational resources to produce synthetic images and the…

Image and Video Processing · Electrical Eng. & Systems 2022-12-21 Meng Li , Brian Lovell

In medical imaging, chromosome straightening plays a significant role in the pathological study of chromosomes and in the development of cytogenetic maps. Whereas different approaches exist for the straightening task, typically geometric…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Sifan Song , Daiyun Huang , Yalun Hu , Chunxiao Yang , Jia Meng , Fei Ma , Frans Coenen , Jiaming Zhang , Jionglong Su

EEG-based brain-computer interfaces (BCIs) have shown promise in various applications, such as motor imagery and cognitive state monitoring. However, decoding visual representations from EEG signals remains a significant challenge due to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Tariq Mehmood , Hamza Ahmad , Muhammad Haroon Shakeel , Murtaza Taj

Synthetic data augmentation helps language models learn new knowledge in data-constrained domains. However, naively scaling existing synthetic data methods by training on more synthetic tokens or using stronger generators yields diminishing…

Machine Learning · Computer Science 2026-03-31 Seungju Han , Konwoo Kim , Chanwoo Park , Benjamin Newman , Suhas Kotha , Jaehun Jung , James Zou , Yejin Choi

Class imbalance can often degrade predictive performance of supervised learning algorithms. Balanced classes can be obtained by oversampling exact copies, with noise, or interpolation between nearest neighbours (as in traditional SMOTE…

Machine Learning · Computer Science 2022-01-17 Emily Muller , Xu Zheng , Jer Hayes

While medical image segmentation is an important task for computer aided diagnosis, the high expertise requirement for pixelwise manual annotations makes it a challenging and time consuming task. Since conventional data augmentations do not…

Image and Video Processing · Electrical Eng. & Systems 2021-06-21 Dwarikanath Mahapatra , Ankur Singh

Electrocardiography (ECG) analysis is crucial for cardiac diagnosis, yet existing foundation models often fail to capture the periodicity and diverse features required for varied clinical tasks. We propose ECG-MoE, a hybrid architecture…

Artificial Intelligence · Computer Science 2026-03-06 Yuhao Xu , Xiaoda Wang , Yi Wu , Wei Jin , Xiao Hu , Carl Yang

Electrocardiogram (ECG) interpretation requires specialized expertise, often involving synthesizing insights from ECG signals with complex clinical queries posed in natural language. The scarcity of labeled ECG data coupled with the diverse…

Machine Learning · Computer Science 2025-05-09 Jialu Tang , Tong Xia , Yuan Lu , Cecilia Mascolo , Aaqib Saeed

Deep learning based image enhancement models have largely improved the readability of fundus images in order to decrease the uncertainty of clinical observations and the risk of misdiagnosis. However, due to the difficulty of acquiring…

Image and Video Processing · Electrical Eng. & Systems 2023-02-24 Erjian Guo , Huazhu Fu , Luping Zhou , Dong Xu

We propose a method for generating an electrocardiogram (ECG) signal for one cardiac cycle using a variational autoencoder. Using this method we extracted a vector of new 25 features, which in many cases can be interpreted. The generated…

Signal Processing · Electrical Eng. & Systems 2020-02-04 V. V. Kuznetsov , V. A. Moskalenko , N. Yu. Zolotykh

Cardiovascular disease (CVD) is a leading cause of mortality worldwide. Electrocardiograms (ECGs) are the most widely used non-invasive tool for cardiac assessment, yet large, well-annotated ECG corpora are scarce due to cost, privacy, and…

Machine Learning · Computer Science 2025-11-14 Xiaoda Wang , Kaiqiao Han , Yuhao Xu , Xiao Luo , Yizhou Sun , Wei Wang , Carl Yang

We propose a deep neural architecture that performs uncertainty-aware multi-view classification of arrhythmia from ECG. Our method learns two different views (1D and 2D) of single-lead ECG to capture different types of information. We use a…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Mohd Ashhad , Sana Rahmani , Mohammed Fayiz , Ali Etemad , Javad Hashemi