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Remote photoplethysmography (rPPG) is a non-contact technique for measuring cardiac signals from facial videos. High-quality rPPG pulse signals are urgently demanded in many fields, such as health monitoring and emotion recognition.…

图像与视频处理 · 电气工程与系统科学 2020-06-05 Rencheng Song , Huan Chen , Juan Cheng , Chang Li , Yu Liu , Xun Chen

Cardiovascular diseases are a major cause of mortality globally, and electrocardiograms (ECGs) are crucial for diagnosing them. Traditionally, ECGs are printed on paper. However, these printouts, even when scanned, are incompatible with…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Kshama Kodthalu Shivashankara , Deepanshi , Afagh Mehri Shervedani , Gari D. Clifford , Matthew A. Reyna , Reza Sameni

We present CardiacGen, a Deep Learning framework for generating synthetic but physiologically plausible cardiac signals like ECG. Based on the physiology of cardiovascular system function, we propose a modular hierarchical generative model…

机器学习 · 计算机科学 2022-11-16 Tushar Agarwal , Emre Ertin

The development of machine learning for cardiac care is severely hampered by privacy restrictions on sharing real patient electrocardiogram (ECG) data. Although generative AI offers a promising solution, the real-world use of existing…

Electroencephalogram (EEG) data is crucial for diagnosing mental health conditions but is costly and time-consuming to collect at scale. Synthetic data generation offers a promising solution to augment datasets for machine learning…

信号处理 · 电气工程与系统科学 2025-07-08 Gideon Vos , Maryam Ebrahimpour , Liza van Eijk , Zoltan Sarnyai , Mostafa Rahimi Azghadi

Photoplethysmogram (PPG) is increasingly used to provide monitoring of the cardiovascular system under ambulatory conditions. Wearable devices like smartwatches use PPG to allow long term unobtrusive monitoring of heart rate in free living…

机器学习 · 计算机科学 2019-03-22 Shyam A , Vignesh Ravichandran , Preejith S. P , Jayaraj Joseph , Mohanasankar Sivaprakasam

Photoplethysmography (PPG) is one of the most widely captured biosignals for clinical prediction tasks, yet PPG-based algorithms are typically trained on small-scale datasets of uncertain quality, which hinders meaningful algorithm…

机器学习 · 计算机科学 2026-03-24 Mohammad Moulaeifard , Philip J. Aston , Peter H. Charlton , Nils Strodthoff

Research on fetal phonocardiogram (fPCG) is challenged by the limited number of abdominal recordings, substantial maternal interference, and marked transmissioninduced signal attenuation that complicate reproducible benchmarking. We present…

信号处理 · 电气工程与系统科学 2026-01-26 Yingtong Zhou , Yiang Zhou , Zhengxian Qu , Kang Liu , Ting Tan

Heart murmurs provide valuable information about mechanical activity of the heart, which aids in diagnosis of various heart valve diseases. This work does automatic and accurate heart murmur detection from phonocardiogram (PCG) recordings.…

信号处理 · 电气工程与系统科学 2024-12-04 Ahmed Patwa , Muhammad Mahboob Ur Rahman , Tareq Y. Al-Naffouri

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…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Nour Neifar , Achraf Ben-Hamadou , Afef Mdhaffar , Mohamed Jmaiel

Diagnosing pre-existing heart diseases early in life is important as it helps prevent complications such as pulmonary hypertension, heart rhythm problems, blood clots, heart failure and sudden cardiac arrest. To identify such diseases,…

Background: Heart failure (HF) research is constrained by limited access to large, shareable datasets due to privacy regulations and institutional barriers. Synthetic data generation offers a promising solution to overcome these challenges…

Analyzing medical data to find abnormalities is a time-consuming and costly task, particularly for rare abnormalities, requiring tremendous efforts from medical experts. Artificial intelligence has become a popular tool for the automatic…

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…

机器学习 · 计算机科学 2022-01-17 Emily Muller , Xu Zheng , Jer Hayes

Phonocardiogram (PCG) signal analysis is a critical, widely-studied technology to noninvasively analyze the heart's mechanical activity. Through evaluating heart sounds, this technology has been chiefly leveraged as a preliminary solution…

信号处理 · 电气工程与系统科学 2021-10-13 Reza Khanmohammadi , Mitra Sadat Mirshafiee , Mohammad Mahdi Ghassemi , Tuka Alhanai

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…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Menghan Yu , Sourabh Kulhare , Courosh Mehanian , Charles B Delahunt , Daniel E Shea , Zohreh Laverriere , Ishan Shah , Matthew P Horning

Recent introduction of wearable single-lead ECG devices of diverse configurations has caught the intrigue of the medical community. While these devices provide a highly affordable support tool for the caregivers for continuous monitoring…

信号处理 · 电气工程与系统科学 2018-11-21 Kahkashan Afrin , Parikshit Verma , Sanjay S. Srivatsa , Satish T. S. Bukkapatnam

Deep learning image processing models have had remarkable success in recent years in generating high quality images. Particularly, the Improved Denoising Diffusion Probabilistic Models (DDPM) have shown superiority in image quality to the…

信号处理 · 电气工程与系统科学 2023-05-23 Edmond Adib , Amanda Fernandez , Fatemeh Afghah , John Jeff Prevost

The bio-acoustic information contained within heart sound signals are utilized by physicians world-wide for auscultation purpose. However, the heart sounds are inherently susceptible to noise contamination. Various sources of noises like…

信号处理 · 电气工程与系统科学 2023-10-03 Ayan Mukherjee , Rohan Banerjee , Avik Ghose

Early identification of abnormal physiological patterns is essential for the timely detection of cardiac disease. This work introduces a hybrid quantum-classical convolutional neural network (QCNN) designed to classify S3 and murmur…

机器学习 · 计算机科学 2025-11-05 Yasaman Torabi , Shahram Shirani , James P. Reilly