Results 71 to 80 of about 3,566 (223)
Gels for CO2 geo‐storage and conformance control: A systemic review of behavior and performance
Deep Underground Science and Engineering, Volume 4, Issue 4, Page 612-637, December 2025.This review provides a systemic evaluation of potential sealants used in CO2 subsurface storage practices. Critical analyses of how external factors like CO2, pH, brine salinity and hardness, rock mineralogy, pressure, temperature, and injectivity could affect the performance of different sealants are provided. Abstract Carbon capture and storage (CCS)
Funsho Afolabi +6 more
wiley +1 more source
Comparative Analysis of Color Models for improved rPPG Signals in Remote Blood Pressure Measurement
Current Directions in Biomedical EngineeringThe quality of remote photoplethysmography (rPPG) signals presents a significant challenge in contactless optical blood pressure measurement. Feature and morphologybased approaches heavily rely on subtle changes in signal characteristics, but rPPG ...
Wuerich Carolin +3 more
doaj +1 more source
Continuous Pulse Rate Monitoring from Facial Video Using rPPG
, 2023 Cardiovascular activity causes some imperceptible changes in different regions of human body. These changes set the stage for isolated systolic hypertension, diastolic dysfunction and heart failure, atrioventricular conduction defects and aorta valve calcification.
null Yi, Kokila Harshani, Trisha Dehrone
openaire +1 more source
Journal of Intelligent Medicine, Volume 2, Issue 4, Page 169-178, December 2025.Abstract Sudden cardiac death (SCD) remains one of the leading causes of mortality worldwide, with coronary artery disease (CAD) as its predominant underlying condition. However, noninvasive and accessible screening approaches for CAD are still limited.
Zhaoying Li +4 more
wiley +1 more source
Improved Remote Photoplethysmography Using Machine Learning-Based Filter Bank
Applied SciencesRemote photoplethysmography (rPPG) is a non-contact technology that monitors heart activity by detecting subtle color changes within the facial blood vessels.
Jukyung Lee, Hyosung Joo, Jihwan Woo
doaj +1 more source
IEEE Access, 2021 Remote photoplethysmography (rPPG) is a method to measure cardiac activities without any contact sensors. Non-contact sensors include radar, laser, and digital cameras, and there have been wide developments regarding the measurement of rPPG signals using
Dongrae Cho +3 more
doaj +1 more source
ReViSe: Remote Vital Signs Measurement Using Smartphone Camera
IEEE Access, 2022 Remote Photoplethysmography (rPPG) is a fast, effective, inexpensive and convenient method for collecting biometric data as it enables vital signs estimation using face videos.
Donghao Qiao +4 more
doaj +1 more source
Women's experiences of participating in a randomised trial comparing alternative policies for timing of cord clamping at very preterm birth: a questionnaire study [PDF]
, 2019 BACKGROUND: The Cord Pilot Trial compared two alternative policies for cord-clamping at very preterm birth at eight UK tertiary maternity units: clamping after at least 2 min and immediate neonatal care with cord intact, or clamping within 20 s and ...
Armstrong-Buisseret, L. +5 more
core +2 more sources
Advanced Science, Volume 12, Issue 25, July 3, 2025.This review explores the cutting‐edge development of bio‐integrated flexible electronics for real‐time hemodynamic monitoring in cardiovascular healthcare. It covers key physiological indicators, innovative sensing mechanisms, and materials considerations. This paper highlights the application of both invasive and non‐invasive devices in cardiovascular
Ke Huang, Zhiqiang Ma, Bee Luan Khoo
wiley +1 more source
Informatics, 2022 Over the last few years, a rich amount of research has been conducted on remote vital sign monitoring of the human body. Remote photoplethysmography (rPPG) is a camera-based, unobtrusive technology that allows continuous monitoring of changes in vital ...
Smera Premkumar, Duraisamy Jude Hemanth
doaj +1 more source