Unsupervised Learning-Based Non-Invasive Fetal ECG Muti-Level Signal Quality Assessment [PDF]
Bioengineering, 2023 Objective: To monitor fetal health and growth, fetal heart rate is a critical indicator. The non-invasive fetal electrocardiogram is a widely employed measurement for fetal heart rate estimation, which is extracted from the electrodes placed on the ...
Xintong Shi +4 more
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BCG Signal Quality Assessment Based on Time-Series Imaging Methods [PDF]
Sensors, 2023 This paper describes a signal quality classification method for arm ballistocardiogram (BCG), which has the potential for non-invasive and continuous blood pressure measurement. An advantage of the BCG signal for wearable devices is that it can easily be
Sungtae Shin +6 more
doaj +2 more sources
Signal Quality Assessment of a Novel ECG Electrode for Motion Artifact Reduction [PDF]
Sensors, 2021 Background: The presence of noise is problematic in the analysis and interpretation of the ECG, especially in ambulatory monitoring. Restricting the analysis to high-quality signal segments only comes with the risk of excluding significant arrhythmia ...
Hesam Halvaei +2 more
doaj +2 more sources
Automatic signal quality assessment of raw trans-abdominal biopotential recordings for non-invasive fetal electrocardiography [PDF]
Frontiers in Bioengineering and Biotechnology, 2023 Introduction: Wearable monitoring systems for non-invasive multi-channel fetal electrocardiography (fECG) can support fetal surveillance and diagnosis during pregnancy, thus enabling prompt treatment. In these embedded systems, power saving is the key to
Giulia Baldazzi +6 more
doaj +2 more sources
Optimized Signal Quality Assessment for Photoplethysmogram Signals Using Feature Selection. [PDF]
IEEE Trans Biomed Eng, 2022 With the increasing use of wearable healthcare devices for remote patient monitoring, reliable signal quality assessment (SQA) is required to ensure the high accuracy of interpretation and diagnosis on the recorded data from patients. Photoplethysmographic (PPG) signals non-invasively measured by wearable devices are extensively used to provide ...
Mohagheghian F +16 more
europepmc +3 more sources
A Robust Approach Assisted by Signal Quality Assessment for Fetal Heart Rate Estimation from Doppler Ultrasound Signal [PDF]
Sensors, 2023 Fetal heart rate (FHR) monitoring, typically using Doppler ultrasound (DUS) signals, is an important technique for assessing fetal health. In this work, we develop a robust DUS-based FHR estimation approach complemented by DUS signal quality assessment ...
Xintong Shi +5 more
doaj +2 more sources
Recurrence Plot and Machine Learning for Signal Quality Assessment of Photoplethysmogram in Mobile Environment [PDF]
Sensors, 2021 The purpose of this study was to develop a machine learning model that could accurately evaluate the quality of a photoplethysmogram based on the shape of the photoplethysmogram and the phase relevance in a pulsatile waveform without requiring ...
Donggeun Roh, Hangsik Shin
doaj +2 more sources
Automated Signal Quality Assessment of Single-Lead ECG Recordings for Early Detection of Silent Atrial Fibrillation [PDF]
Sensors, 2023 Atrial fibrillation (AF) is an arrhythmic cardiac disorder with a high and increasing prevalence in aging societies, which is associated with a risk for stroke and heart failure.
Markus Lueken +4 more
doaj +2 more sources
Signal Quality Assessment and Reconstruction of PPG-Derived Signals for Heart Rate and Variability Estimation in In-Vehicle Applications: A Comparative Review and Empirical Validation [PDF]
SensorsElectrocardiography (ECG) is widely recognized as the gold standard for measuring heart rate (HR) and heart rate variability (HRV). However, photoplethysmography (PPG) presents notable advantages in terms of wearability, affordability, and ease of ...
Ruimin Gao +4 more
doaj +2 more sources
Template Matching and Matrix Profile for Signal Quality Assessment of Carotid and Femoral Laser Doppler Vibrometer Signals [PDF]
Frontiers in Physiology, 2022 Background: Laser-Doppler Vibrometry (LDV) is a laser-based technique that allows measuring the motion of moving targets with high spatial and temporal resolution.
Silvia Seoni +10 more
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