Results 51 to 60 of about 593,568 (322)

Non-Contact Heart Rate Monitoring Method Based on Wi-Fi CSI Signal

open access: yesSensors
This paper introduces an innovative non-contact heart rate monitoring method based on Wi-Fi Channel State Information (CSI). This approach integrates both amplitude and phase information of the CSI signal through rotational projection, aiming to optimize
Juncong Sun, Xin Bian, Mingqi Li
doaj   +1 more source

Heart Rate Variability Based Estimation of Maximal Oxygen Uptake in Athletes Using Supervised Regression Models

open access: yesSensors, 2023
Wearable Heart Rate monitors are used in sports to provide physiological insights into athletes’ well-being and performance. Their unobtrusive nature and ability to provide reliable heart rate measurements facilitate the estimation of cardiorespiratory ...
Vaishali Balakarthikeyan   +4 more
doaj   +1 more source

Photoplethysmography-Based Heart Rate Monitoring in Physical Activities via Joint Sparse Spectrum Reconstruction

open access: yes, 2015
Goal: A new method for heart rate monitoring using photoplethysmography (PPG) during physical activities is proposed. Methods: It jointly estimates spectra of PPG signals and simultaneous acceleration signals, utilizing the multiple measurement vector ...
Zhang, Zhilin
core   +1 more source

Enabling Smartphone-based Estimation of Heart Rate

open access: yesCoRR, 2019
4 pages, 5 ...
Nutta Homdee   +5 more
openaire   +2 more sources

Are Anesthesiology Providers Good Guessers? Heart Rate and Oxygen Saturation Estimation in a Simulation Setting

open access: yesAnesthesiology Research and Practice, 2019
Background. Anesthesia providers may need to interpret the output of vital sign monitors based on auditory cues, in the context of multitasking in the operating room.
Efrain Riveros Perez   +5 more
doaj   +1 more source

Noninvasive prediction of Blood Lactate through a machine learning-based approach. [PDF]

open access: yes, 2019
We hypothesized that blood lactate concentration([Lac]blood) is a function of cardiopulmonary variables, exercise intensity and some anthropometric elements during aerobic exercise.
Casaburi, Richard   +6 more
core   +3 more sources

New estimators and guidelines for better use of fetal heart rate estimators with Doppler ultrasound devices [PDF]

open access: yes, 2013
International audienceCharacterizing fetal wellbeing with a Doppler ultrasound device requires computation of a score based on fetal parameters. In order to analyze the parameters derived from the fetal heart rate correctly, an accuracy of 0.25 beats per
Girault, Jean-Marc   +3 more
core   +7 more sources

RhythmEdge: Enabling Contactless Heart Rate Estimation on the Edge

open access: yes2022 IEEE International Conference on Smart Computing (SMARTCOMP), 2022
The primary contribution of this paper is designing and prototyping a real-time edge computing system, RhythmEdge, that is capable of detecting changes in blood volume from facial videos (Remote Photoplethysmography; rPPG), enabling cardio-vascular health assessment instantly.
Zahid Hasan   +4 more
openaire   +2 more sources

Adherence to Protocol Recommendations for Children With Wilms Tumour in Two Consecutive Studies in the United Kingdom and Ireland—Does Variation Matter?

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background and Aims Wilms tumour (WT) has excellent event‐free and overall survival (OS). However, small differences exist between countries participating in the same international study. This led us to examine variation in adherence to protocol recommendations as a potential contributing factor.
Suzanne Tugnait   +23 more
wiley   +1 more source

Real-Time Heart Rate Estimation Using a Standard Camera

open access: yesProceedings of the International Conference on Applied Innovations in IT
Health indicators are among the most important ways to assess health status and predict sudden health relapses. Non-contact health monitoring is critical for overcoming limitations of traditional vital sign measurement methods, such as infection risks ...
Ali Sameer Salim   +1 more
doaj   +1 more source

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