2 papers
physics.med-ph2021
Deformation of Heartbeat Pulse Waveform Caused by Sensor Binding Force
Jiesheng He, Wei Wu
Photoplethysmography (PPG) is a method of detecting variation in blood volume commonly through contact with the skin and involving the usage of one or multiple sensors. PPG is typi…
physics.med-ph2021
External Factors that Affect the Photoplethysmography Waveforms
Irene Pi, Isleen Pi, Wei Wu
Photoplethysmography (PPG) is a simple and inexpensive technology used in many smart devices to monitor cardiovascular health. The PPG sensors use LED lights to penetrate into the…