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Chapitre D'ouvrage Année : 2016

Position-Free Vital Sign Monitoring: Measurements and Processing

Résumé

As traditional electrodes are perturbing for patients in critical cases such as for burn victims or newborn infants, and even to detect life sign under rubble, a contactless monitoring system for the life signs is a necessity. The aim of this chapter is to present a complete process used in detecting cardiopulmonary activities. This includes a microwave Doppler radar system that detects the body wall motion and signal processing techniques in order to extract the heartbeat rate. Measurements are performed at different positions simultaneously with a PC-based electrocardiogram (ECG). For a distance of 1 m between the subject and the antennas, measurements are performed for breathing subject at four positions: front, back, left, and right. Discrete wavelet transform is used to extract the heartbeat signal from the cardiopulmonary signal. The proposed system and signal processing techniques show high accuracy in detecting the cardiopulmonary signals and extracting the heartbeat rate.
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Dates et versions

hal-01348444 , version 1 (27-07-2016)

Identifiants

Citer

Dany Obeid, Sarah Samad, Sawsan Sadek, Gheorghe Zaharia, Ghaïs El Zein. Position-Free Vital Sign Monitoring: Measurements and Processing. Advanced Biosignal Processing and Diagnostic Methods, Intech Open, pp.31-53, 2016, 978-953-51-2520-4. ⟨10.5772/63915⟩. ⟨hal-01348444⟩
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