3 papers
cs.CV2025
egoPPG: Heart Rate Estimation from Eye-Tracking Cameras in Egocentric Systems to Benefit Downstream Vision Tasks
Björn Braun, Rayan Armani, Manuel Meier +2
Egocentric vision systems aim to understand the spatial surroundings and the wearer's behavior inside it, including motions, activities, and interactions. We argue that egocentric…
q-bio.QM2024
Nightbeat: Heart Rate Estimation From a Wrist-Worn Accelerometer During Sleep
Max Moebus, Lars Hauptmann, Nicolas Kopp +3
Today's fitness bands and smartwatches typically track heart rates (HR) using optical sensors. Large behavioral studies such as the UK Biobank use activity trackers without such op…
cs.CV2024
SympCam: Remote Optical Measurement of Sympathetic Arousal
Björn Braun, Daniel McDuff, Tadas Baltrusaitis +3
Recent work has shown that a person's sympathetic arousal can be estimated from facial videos alone using basic signal processing. This opens up new possibilities in the field of t…