English
Related papers

Related papers: Optimizing Photoplethysmography-Based Sleep Stagin…

200 papers

In this paper we propose a robust approach to model photoplethysmography (PPG) signals. After decomposing the signal into two components, we focus the analysis on the pulsatile part, related to cardiac information. The goal is to enable a…

Applications · Statistics 2019-05-28 M. Regis , L. M. Eerikäinen , R. Haakma , E. R. van den Heuvel , P. Serra

Photoplethysmography (PPG) signals, which measure changes in blood volume in the skin using light, have recently gained attention in biometric authentication because of their non-invasive acquisition, inherent liveness detection, and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Arfina Rahman , Mahesh Banavar

Polysomnographic recordings are essential for diagnosing many sleep disorders, yet their detailed analysis presents considerable challenges. With the rise of machine learning methodologies, researchers have created various algorithms to…

Advances in wearable computing and AI have increased interest in leveraging PPG for health monitoring over the past decade. One of the biggest challenges in developing health algorithms based on such biosignals is the sparsity of clinical…

Camera-based photoplethysmography (PPG) obtained from smartphones has shown great promise for personalized healthcare and secure authentication. This paper presents a multimodal biometric system that integrates PPG signals extracted from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Xue Xian Zheng , M. M. Ur Rahma , Bilal Taha , Mudassir Masood , Dimitrios Hatzinakos , Tareq Al-Naffouri

Efficient and accurate evaluation of long-term photoplethysmography (PPG) recordings is essential for both clinical assessments and consumer products. In 2021, the top opensource peak detectors were benchmarked on the Multi-Ethnic Study of…

Medical Physics · Physics 2023-07-21 Márton Á. Goda , Peter H. Charlton , Joachim A. Behar

Hypertension is a medical condition characterized by high blood pressure, and classifying it into its various stages is crucial to managing the disease. In this project, a novel method is proposed for classifying stages of hypertension…

Machine Learning · Computer Science 2023-04-17 Graham Frederick , Yaswant T , Brintha Therese A

Sleep quality impacts well-being. Therefore, healthcare providers and individuals need accessible and reliable forecasting tools for preventive interventions. This paper introduces an interpretable, individualized adaptive spatial-temporal…

Machine Learning · Computer Science 2026-02-23 Xueyi Wang , Claudine J. C. Lamoth , Elisabeth Wilhelm

Diabetes is a prevalent chronic condition that compromises the health of millions of people worldwide. Minimally invasive methods are needed to prevent and control diabetes but most devices for measuring glucose levels are invasive and not…

Despite continued advancement in machine learning algorithms and increasing availability of large data sets, there is still no universally acceptable solution for automatic sleep staging of human sleep recordings. One reason is that a…

Neurons and Cognition · Quantitative Biology 2018-01-10 Kaare Mikkelsen , Maarten de Vos

Wearable devices are widely used for continuous health monitoring, yet reliable sleep tracking on emerging platforms remains underexplored due to reliance on proprietary algorithms and device-specific activity representations. We present a…

Emerging Technologies · Computer Science 2026-05-18 Wei Shao , Ehsan Kourkchi , Krishi Prashant Shah , Zequan Liang , Setareh Rafatirad , Houman Homayoun

Sleep disorders, such as sleep apnea, parasomnias, and hypersomnia, affect 50-70 million adults in the United States (Hillman et al., 2006). Overnight polysomnography (PSG), including brain monitoring using electroencephalography (EEG), is…

Machine Learning · Computer Science 2017-07-27 Siddharth Biswal , Joshua Kulas , Haoqi Sun , Balaji Goparaju , M Brandon Westover , Matt T Bianchi , Jimeng Sun

Sleeping problems have become one of the major diseases all over the world. To tackle this issue, the basic tool used by specialists is the Polysomnogram, which is a collection of different signals recorded during sleep. After its…

Machine Learning · Computer Science 2021-03-31 Enrique Fernandez-Blanco , Daniel Rivero , Alejandro Pazos

Sleep stages pattern provides important clues in diagnosing the presence of sleep disorder. By analyzing sleep stages pattern and extracting its features from EEG, EOG, and EMG signals, we can classify sleep stages. This study presents a…

Machine Learning · Computer Science 2016-10-07 Endang Purnama Giri , Mohamad Ivan Fanany , Aniati Murni Arymurthy

Sleep is known to be a key factor in emotional regulation and overall mental health. In this study, we explore the integration of sleep measures from the previous night into wearable-based mood recognition. To this end, we propose NapTune,…

Signal Processing · Electrical Eng. & Systems 2024-09-10 Debaditya Shome , Nasim Montazeri Ghahjaverestan , Ali Etemad

Recently there has seen promising results on automatic stage scoring by extracting spatio-temporal features from electroencephalogram (EEG). Such methods entail laborious manual feature engineering and domain knowledge. In this study, we…

Signal Processing · Electrical Eng. & Systems 2022-04-08 Lingwei Zhu , Koki Odani , Ziwei Yang , Guang Shi , Yirong Kan , Zheng Chen , Renyuan Zhang

Sleep is particularly important to the health of infants, children, and adolescents, and sleep scoring is the first step to accurate diagnosis and treatment of potentially life-threatening conditions. But pediatric sleep is severely…

Signal Processing · Electrical Eng. & Systems 2022-10-27 Harlin Lee , Aaqib Saeed

High-frequency physiological waveform modality offers deep, real-time insights into patient status. Recently, physiological foundation models based on Photoplethysmography (PPG), such as PPG-GPT, have been shown to predict critical events,…

Machine Learning · Computer Science 2025-09-29 Saurabh Kataria , Davood Fattahi , Minxiao Wang , Ran Xiao , Matthew Clark , Timothy Ruchti , Mark Mai , Xiao Hu

The regulation of the autonomic nervous system changes with the sleep stages causing variations in the physiological variables. We exploit these changes with the aim of classifying the sleep stages in awake or asleep using pulse oximeter…

Signal Processing · Electrical Eng. & Systems 2020-08-11 Ramiro Casal , Leandro E. Di Persia , Gastón Schlotthauer

Smartphone-based heart rate (HR) monitoring apps using finger-over-camera photoplethysmography (PPG) face significant challenges in performance evaluation and device compatibility due to device variability and fragmentation. Manual testing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Ming-Zher Poh , Jonathan Wang , Jonathan Hsu , Lawrence Cai , Eric Teasley , James A. Taylor , Jameson K. Rogers , Anupam Pathak , Shwetak Patel