Real-Time Respiratory Rate Estimation using Imaging Photoplethysmography Inter-Beat Intervals

Imaging photoplethysmography (iPPG) has emerged as a contactless heart-rate monitoring technique. As the respiratory activity modulates the heart rate, we investigate the accuracy of iPPG in conveying the inter-beat variation due to the respiratory modulation of the heart rate. The instantaneous respiratory rate was estimated in real-time from the iPPG inter-beat variations with an algorithm based on a bank of short FIR notch filters. The comparison of the iPPG-based respiratory rate estimates to ECG-based estimates showed that the iPPG ones were only slightly less accurate in spite of the challenging conditions related to this contacless technique.


Published in:
Computing in cardiology, 43
Presented at:
Computing in cardiology, Vancouver, Canada, September 11-14, 2016
Year:
2016
Publisher:
IEEE
Keywords:
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 Record created 2016-09-22, last modified 2018-01-28

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