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Cardiovascular disease remains the leading cause of global mortality, yet scalable cardiac monitoring is hindered by the gap between diagnostic-rich ECG and ubiquitous wearable PPG. Bridging this gap requires representations that are…

Machine Learning · Computer Science 2026-05-12 Zhangdaihong Liu , Chang Liu , Fenglin Liu , Yixuan Chen , Yang Yang , David A. Clifton , Xiao Gu

Cardiotocography (CTG) is a key element when it comes to monitoring fetal well-being. Obstetricians use it to observe the fetal heart rate (FHR) and the uterine contraction (UC). The goal is to determine how the fetus reacts to the…

Signal Processing · Electrical Eng. & Systems 2022-10-03 Julien Bertieaux , Mohammadhadi Shateri , Fabrice Labeau , Thierry Dutoit

Biophysical signals such as Electrocardiogram (ECG) and Photoplethysmogram (PPG) are key to the sensing of vital parameters for wellbeing. Coincidentally, ECG and PPG are signals, which provide a "different window" into the same phenomena,…

Signal Processing · Electrical Eng. & Systems 2022-02-02 Abhinandan Panda , Srinivas Pinisetty , Partha Roop

In this work, we propose a denoising diffusion generative model (DDGM) trained with healthy electrocardiogram (ECG) data that focuses on ECG morphology and inter-lead dependence. Our results show that this innovative generative model can…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Gabriel V. Cardoso , Lisa Bedin , Josselin Duchateau , Rémi Dubois , Eric Moulines

Echocardiography (ECHO) video is widely used for cardiac examination. In clinical, this procedure heavily relies on operator experience, which needs years of training and maybe the assistance of deep learning-based systems for enhanced…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Xinrui Zhou , Yuhao Huang , Wufeng Xue , Haoran Dou , Jun Cheng , Han Zhou , Dong Ni

Biomedical signal processing extract meaningful information from physiological signals like electrocardiograms (ECGs), electroencephalograms (EEGs), and electromyograms (EMGs) to diagnose, monitor, and treat medical conditions and diseases…

Signal Processing · Electrical Eng. & Systems 2025-08-13 Justin London

Photoplethsmography (PPG)-based individual identification aiming at recognizing humans via intrinsic cardiovascular activities has raised extensive attention due to its high security and resistance to mimicry. However, this kind of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Riling Wei , Hanjie Chen , Kelu Yao , Chuanguang Yang , Jun Wang , Chao Li

Echocardiography video is a primary modality for diagnosing heart diseases, but the limited data poses challenges for both clinical teaching and machine learning training. Recently, video generative models have emerged as a promising…

Image and Video Processing · Electrical Eng. & Systems 2024-08-01 Junxuan Yu , Rusi Chen , Yongsong Zhou , Yanlin Chen , Yaofei Duan , Yuhao Huang , Han Zhou , Tan Tao , Xin Yang , Dong Ni

Multi-channel photoplethysmography (PPG) sensors have found widespread adoption in wearable devices for monitoring cardiac health. Channels thereby serve different functions -- whereas green is commonly used for metrics such as heart rate…

Signal Processing · Electrical Eng. & Systems 2024-12-24 Manuel Meier , Berken Utku Demirel , Christian Holz

Photoplethysmography (PPG) refers to the measurement of variations in blood volume using light and is a feature of most wearable devices. The PPG signals provide insight into the body's circulatory system and can be employed to extract…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Yuyang Miao , Harry J. Davies , Danilo P. Mandic

Blood pressure (BP) is a key indicator of cardiovascular health. As hypertension remains a global cause of morbidity and mortality, accurate, continuous, and non-invasive BP monitoring is therefore of paramount importance.…

Signal Processing · Electrical Eng. & Systems 2025-10-20 Bálint Tóth , Dominik Senti , Thorir Mar Ingolfsson , Jeffrey Zweidler , Alexandre Elsig , Luca Benini , Yawei Li

Within cardiovascular disease detection using deep learning applied to ECG signals, the complexities of handling physiological signals have sparked growing interest in leveraging deep generative models for effective data augmentation. In…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Nour Neifar , Achraf Ben-Hamadou , Afef Mdhaffar , Mohamed Jmaiel

An electrocardiogram (ECG) captures the heart's electrical signal to assess various heart conditions. In practice, ECG data is stored as either digitized signals or printed images. Despite the emergence of numerous deep learning models for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Ju-Hyeon Nam , Seo-Hyung Park , Su Jung Kim , Sang-Chul Lee

The generation of high-quality medical time series data is essential for advancing healthcare diagnostics and safeguarding patient privacy. Specifically, synthesizing realistic phonocardiogram (PCG) signals offers significant potential as a…

Machine Learning · Computer Science 2024-12-24 Ainaz Jamshidi , Muhammad Arif , Sabir Ali Kalhoro , Alexander Gelbukh

Medical generative models, acknowledged for their high-quality sample generation ability, have accelerated the fast growth of medical applications. However, recent works concentrate on separate medical generation models for distinct medical…

Image and Video Processing · Electrical Eng. & Systems 2024-03-08 Chenlu Zhan , Yu Lin , Gaoang Wang , Hongwei Wang , Jian Wu

Recent unified models such as GPT-5 have achieved encouraging progress on vision-language tasks. However, these unified models typically fail to correctly understand ECG signals and provide accurate medical diagnoses, nor can they correctly…

Computation and Language · Computer Science 2025-09-24 Jiarui Jin , Haoyu Wang , Xiang Lan , Jun Li , Gaofeng Cheng , Hongyan Li , Shenda Hong

Doppler echocardiography offers critical insights into cardiac function and phases by quantifying blood flow velocities and evaluating myocardial motion. However, previous methods for automating Doppler analysis, ranging from initial signal…

Image and Video Processing · Electrical Eng. & Systems 2023-11-16 Jaeik Jeon , Jiyeon Kim , Yeonggul Jang , Yeonyee E. Yoon , Dawun Jeong , Youngtaek Hong , Seung-Ah Lee , Hyuk-Jae Chang

Cardiovascular disease remains a significant problem in modern society. Among non-invasive techniques, the electrocardiogram (ECG) is one of the most reliable methods for detecting abnormalities in cardiac activities. However, ECG…

Signal Processing · Electrical Eng. & Systems 2023-03-22 Huy Pham , Konstantin Egorov , Alexey Kazakov , Semen Budennyy

The 12-lead electrocardiogram (ECG) is the gold standard for cardiovascular monitoring, offering superior diagnostic granularity and specificity compared to photoplethysmography (PPG). However, existing 12-lead ECG systems rely on…

Machine Learning · Computer Science 2025-10-01 Hui Ji , Wei Gao , Pengfei Zhou

By generating synthetic biosignals, the quantity and variety of health data can be increased. This is especially useful when training machine learning models by enabling data augmentation and introduction of more physiologically plausible…

Machine Learning · Computer Science 2024-08-30 Katri Karhinoja , Antti Vasankari , Jukka-Pekka Sirkiä , Antti Airola , David Wong , Matti Kaisti