"PPG Sensor"

fSense: Unlocking the Dimension of Force for Gestural Interactions using Smartwatch PPG Sensor
ACM Augmented Human International Conference (AH 2019)
Thisum Buddhika, Haimo Zhang, Samantha Chan, Vipula Dissanayake, Suranga Nanayakkara, Roger Zimmermann
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fSense: Unlocking the Dimension of Force for Gestural Interactions using Smartwatch PPG Sensor