Per Bækgaard

schoolTechnical University of Denmarkbar_chart#6111 Global Rank

Total Papers

HCI Rank

#6111

Research Areas

Years Active

Recent Publications

Classifying Head Movements to Separate Head-Gaze and Head Gestures as Distinct Modes of Input

Head movement is widely used as a uniform type of input for human-computer interaction. However, there are fundamental differences between head movements coupled with gaze in support of our visual system, and head movements performed as gestural expression. Both Head-Gaze and Head Gestures are of utility for interacti…

CHI '20CorrespondingEye Tracking & Gaze Interaction +1

The Low/High Index of Pupillary Activity

A novel eye-tracked measure of pupil diameter oscillation is derived as an indicator of cognitive load. The new metric, termed the Low/High Index of Pupillary Activity (LHIPA), is able to discriminate cognitive load (vis-a-vis task difficulty) in several experiments where the Index of Pupillary Activity fails to do so…

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