Results 21 to 30 of about 53,782 (273)

Real-Time Non-Contact Millimeter Wave Radar-Based Vital Sign Detection

open access: yesSensors, 2022
In this paper, the extraction of the life activity spectrum based on the millimeter (mm) wave radar is designed to realize the detection of target objects and the threshold trigger module.
Zhiqiang Gao   +7 more
doaj   +1 more source

Detection of irregular heartbeats using tensors [PDF]

open access: yes2015 Computing in Cardiology Conference (CinC), 2015
Automatic classification of heartbeats in different categories is important for ECG analysis. The number of irregular heartbeats in a signal can for example be used as a risk stratifier for sudden cardiac death. Current heart-beat classification methods typically use time or frequency domain features to characterize heartbeats.
Goovaerts, Griet   +4 more
openaire   +2 more sources

Atrial Fibrillation Detection Algorithm Based on Graph Convolution Network

open access: yesIEEE Access, 2023
Atrial fibrillation (AF) is a common type of arrhythmia with a high incidence and risk, and it is difficult to monitor. Deep learning-based algorithms for AF detection have made preliminary progress, with Recurrent Convolution Neural Networks (RCNN ...
Hua Ma, Lingnan Xia
doaj   +1 more source

Heartbeat sound classification using a hybrid adaptive neuro-fuzzy inferences system (ANFIS) and artificial bee colony

open access: yesDigital Health, 2023
Cardiovascular disease is one of the main causes of death worldwide which can be easily diagnosed by listening to the murmur sound of heartbeat sounds using a stethoscope.
Pantea Keikhosrokiani   +4 more
doaj   +1 more source

Psychological Stress Level Detection Based on Heartbeat Mode

open access: yesApplied Sciences, 2022
The effective detection and quantification of mental health has always been an important research topic. Heart rate variability (HRV) analysis is a useful tool for detecting psychological stress levels.
Dun Hu, Lifu Gao
doaj   +1 more source

A spectrum estimation approach for accurate heartbeat detection using Doppler radar based on combination of FTPR and TWV

open access: yesEURASIP Journal on Advances in Signal Processing, 2022
Non-contact heartbeat detection using Doppler radar is extremely valuable for remotely monitoring and medical diagnosis on special occasions. Nevertheless, fast and accurate heart rate (HR) detection endures several challenges due to influential ...
Haipeng Pan, Yongyang Zou, Minming Gu
doaj   +1 more source

ECG Signal Reconstruction via Doppler Sensor by Hybrid Deep Learning Model With CNN and LSTM

open access: yesIEEE Access, 2020
An Electrocardiogram (ECG) is a typical method used to detect heartbeat, and an ECG signal analysis enables the detection of some heart diseases. However, the ECG-based heartbeat detection requires device attachment, which is not preferred for daily use.
Kohei Yamamoto   +2 more
doaj   +1 more source

A Multi-Target Localization and Vital Sign Detection Method Using Ultra-Wide Band Radar

open access: yesSensors, 2023
Life detection technology using ultra-wideband (UWB) radar is a non-contact, active detection technology, which can be used to search for survivors in disaster rescues.
Jingwen Zhang   +6 more
doaj   +1 more source

Heartbeat counting is unrelated to heartbeat detection: A comparison of methods to quantify interoception [PDF]

open access: yesPsychophysiology, 2018
AbstractRecent research has identified individual differences in interoceptive sensitivity as a key source of variation in action, cognition, and emotion. This research has relied heavily on a single method for assessing interoceptive sensitivity: the accuracy of counting heartbeats while at rest.
Christopher, Ring, Jasper, Brener
openaire   +2 more sources

The effects of vibrotactile masking on heartbeat detection: Evidence that somatosensory mechanoreceptors transduce heartbeat sensations [PDF]

open access: yesPsychophysiology, 2021
AbstractThe ability to detect heartbeat sensations is the most common basis for inferring individual differences in sensitivity to the interoceptive stimuli generated by the visceral activity. While the sensory sources of heartbeat sensations have yet to be identified, there is a growing consensus that visceral sensation, in general, is supported not ...
Kelley Knapp‐Kline   +3 more
openaire   +2 more sources

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