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Pupillary Light Reflex Correction for Robust Pupillometry in Virtual Reality
2022
Proceedings of the ACM on Computer Graphics and Interactive Techniques
Virtual reality (VR) headsets with an integrated eye tracker enable the measurement of pupil size fluctuations correlated with cognition during a VR experience. We present a method to correct for the light-induced pupil size changes, otherwise masking the more subtle cognitively-driven effects, such as cognitive load and emotional state. We explore multiple calibration sequences to find individual mapping functions relating the luminance to pupil dilation that can be employed in real-time
doi:10.1145/3530798
fatcat:za2ngrlrvfhazjqyo7kue46xxa