"assessing widefield hemodynamic pulsatility using computational biophotonic imaging: a co-integration of biomedical optics, electronic control, image processing and machine learning"
Abstract: Shifting from acute toward preventive healthcare is an important step for reducing the impact of heart-related illnesses. An important part of this shift is developing technologies for non-intrusive physiological monitoring. Photoplethysmography imaging systems are optical solutions for non-contact cardiovascular monitoring from a distance. These camera-based technologies assess vascular pulsatility across a large tissue area, providing new means for assessing cardiovascular function. In this talk, I will present our imaging system, coded hemodynamic imaging (CHI), which is capable of spatial and temporal hemodynamic assessment through the co-integration of light-tissue optics models, electronic control, and biomedical image processing. The design of these subcomponents will be presented, as well as recent results in areas such as pulse transit visualization, automatic pulse signal extraction from videos, and a machine learning method for arrhythmia detection.
Bio: Robert Amelard is an NSERC Postdoctoral Fellow at the Schlegel-University of Waterloo Research Institute for Aging, Canada. His primary research focus is on the development of new biophotonic systems for cardiovascular monitoring, encompassing the fields of biophotonic modeling, biomedical device design, image and signal processing, and machine learning. His research has gained international media attention, including being featured on The Discovery Channel, and was nominated for the Millennium Technology Prize.
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