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Related papers: Aortic Valve Disease Detection from PPG via Physio…

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Mitral regurgitation (MR) is a heart valve disease with potentially fatal consequences that can only be forestalled through timely diagnosis and treatment. Traditional diagnosis methods are expensive, labor-intensive and require clinical…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Ke Xiao , Erik Learned-Miller , Evangelos Kalogerakis , James Priest , Madalina Fiterau

This paper is targeted in the area of biometric data enabled security system based on the machine learning for the digital health. The disadvantages of traditional authentication systems include the risks of forgetfulness, loss, and theft.…

Cryptography and Security · Computer Science 2019-12-03 Amang Song-Kyoo Kim , Chan Yeob Yeun , Paul D. Yoo

Despite the population of the noninvasive, economic, comfortable, and easy-to-install photoplethysmography (PPG), it is still lacking a mathematically rigorous and stable algorithm which is able to simultaneously extract from a…

Neurons and Cognition · Quantitative Biology 2017-09-05 Antonio Cicone , Hau-Tieng Wu

Blood pressure (BP) is one of the most influential bio-markers for cardiovascular diseases and stroke; therefore, it needs to be regularly monitored to diagnose and prevent any advent of medical complications. Current cuffless approaches to…

Machine Learning · Computer Science 2021-11-30 Rishi Vardhan K , Vedanth S , Poojah G , Abhishek K , Nitish Kumar M , Vineeth Vijayaraghavan

Photoplethysmography (PPG) signals have become a key technology in many fields, such as medicine, well-being, or sports. Our work proposes a set of pipelines to extract remote PPG signals (rPPG) from the face robustly, reliably, and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Constantino Álvarez Casado , Miguel Bordallo López

Camera-based physiological measurement is a fast growing field of computer vision. Remote photoplethysmography (rPPG) utilizes imaging devices (e.g., cameras) to measure the peripheral blood volume pulse (BVP) via photoplethysmography, and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Xin Liu , Girish Narayanswamy , Akshay Paruchuri , Xiaoyu Zhang , Jiankai Tang , Yuzhe Zhang , Soumyadip Sengupta , Shwetak Patel , Yuntao Wang , Daniel McDuff

Self-supervised learning (SSL) has emerged as a promising paradigm for addressing the annotation bottleneck in medical imaging by learning representations from unlabeled data. However, its effectiveness depends heavily on the design of the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Chathura Wimalasiri

Cardiovascular diseases (CVDs) are the main cause of deaths all over the world. Heart murmurs are the most common abnormalities detected during the auscultation process. The two widely used publicly available phonocardiogram (PCG) datasets…

The recent research in semi-supervised learning (SSL) is mostly dominated by consistency regularization based methods which achieve strong performance. However, they heavily rely on domain-specific data augmentations, which are not easy to…

Machine Learning · Computer Science 2021-04-20 Mamshad Nayeem Rizve , Kevin Duarte , Yogesh S Rawat , Mubarak Shah

The paper proposes accurate Blood Pressure Monitoring (BPM) based on a single-site Photoplethysmographic (PPG) sensor and provides an energy-efficient solution on edge cuffless wearable devices. Continuous PPG signal preprocessed and used…

Signal Processing · Electrical Eng. & Systems 2021-08-03 Wenrui Lin , Berken Utku Demirel , Mohammad Abdullah Al Faruque , G. P. Li

In an ideal medical environment, real-time coagulation monitoring can enable early detection and prompt remediation of risks. However, traditional Thromboelastography (TEG), a widely employed diagnostic modality, can only provide such…

Machine Learning · Computer Science 2026-01-13 Yulu Wang , Ziqian Zeng , Jianjun Wu , Zhifeng Tang

Supervised learning algorithms based on Convolutional Neural Networks have become the benchmark for medical image segmentation tasks, but their effectiveness heavily relies on a large amount of labeled data. However, annotating medical…

Image and Video Processing · Electrical Eng. & Systems 2023-11-20 Tao Wang , Yuanbin Chen , Xinlin Zhang , Yuanbo Zhou , Junlin Lan , Bizhe Bai , Tao Tan , Min Du , Qinquan Gao , Tong Tong

Heart rate (HR) and heart rate variability (HRV) are important vital signs for human physical and mental health. Recent research has demonstrated that photoplethysmography (PPG) sensors can infer HR and HRV. However, it is difficult to find…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Jingye Xu , Yuntong Zhang , Wei Wang , Mimi Xie , Dakai Zhu

Facial video-based remote physiological measurement is a promising research area for detecting human vital signs (e.g., heart rate, respiration frequency) in a non-contact way. Conventional approaches are mostly supervised learning,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Zijie Yue , Miaojing Shi , Hanli Wang , Shuai Ding , Qijun Chen , Shanlin Yang

Self-supervised learning (SSL) is an emerging paradigm that exploits supervisory signals generated from the data itself, and many recent studies have leveraged SSL to conduct graph anomaly detection. However, we empirically found that three…

Machine Learning · Computer Science 2025-07-01 Zhong Li , Yuhang Wang , Matthijs van Leeuwen

Self-supervised learning (SSL) models have achieved considerable improvements in automatic speech recognition (ASR). In addition, ASR performance could be further improved if the model is dedicated to audio content information learning…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-08 Genshun Wan , Tan Liu , Hang Chen , Jia Pan , Cong Liu , Zhongfu Ye

Objectives: This study examines human Photoplethysmogram (PPG) along with Electrocardiogram (ECG) signals to study cardiac autonomic imbalance in epileptic seizures. The significance and the prevalence of changes in PPG morphological…

Signal Processing · Electrical Eng. & Systems 2019-12-12 Seyede Mahya Safavi , Ninaz Valisharifabad , Robert Sabino , Hsinchung Chen , Ali HeydariGorji , Demi Tran , Jack Lin , Beth Lopour , Pai H. Chou

Pre-training datasets, like ImageNet, have become the gold standard in medical image analysis. However, the emergence of self-supervised learning (SSL), which leverages unlabeled data to learn robust features, presents an opportunity to…

Image and Video Processing · Electrical Eng. & Systems 2024-02-09 Soroosh Tayebi Arasteh , Leo Misera , Jakob Nikolas Kather , Daniel Truhn , Sven Nebelung

Spatial transcriptomics (ST) is a novel technology that enables the observation of gene expression at the resolution of individual spots within pathological tissues. ST quantifies the expression of tens of thousands of genes in a tissue…

Machine Learning · Computer Science 2025-11-25 Kaito Shiku , Kazuya Nishimura , Shinnosuke Matsuo , Yasuhiro Kojima , Ryoma Bise

Blood oxygen saturation (SpO2) is a vital marker for healthcare monitoring. Traditional SpO2 estimation methods often rely on complex clinical calibration, making them unsuitable for low-power, wearable applications. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2026-01-12 Zequan Liang , Ruoyu Zhang , Wei Shao , krishna Karthik , Ehsan Kourkchi , Setareh Rafatirad , Houman Homayoun
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