Vasomotor assessment by camera-based photoplethysmography
Trumpp Alexander, Schell Joachim, Malberg Hagen and 1 more
Current Directions in Biomedical Engineering · 2016
doi:10.1515/cdbme-2016-0045 (opens in a new tab)
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Abstract
Camera-based photoplethysmography (cbPPG) is a novel technique that allows the contactless acquisition of cardio-respiratory signals. Previous works on cbPPG most often focused on heart rate extraction. This contribution is directed at the assessment of vasomotor activity by means of cameras. In an experimental study, we show that vasodilation and vasoconstriction both lead to significant changes in cbPPG signals. Our findings underline the potential of cbPPG to monitor vasomotor functions in real-life applications.
Abstract licence: CC BY-NC-ND
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