Krzysztof Krejtz

schoolSWPS Universitybar_chart#4343 Global Rank

Total Papers

HCI Rank

#4343

Research Areas

Years Active

Recent Publications

VXSlate: Exploring Combination of Head Movement and Mobile Touch for Large Virtual Display Interaction

Virtual Reality (VR) headsets can open opportunities for users to accomplish complex tasks on large virtual displays using compact and portable devices. However, interacting with such large virtual displays using existing interaction techniques might cause fatigue, especially for precise manipulation tasks, due to the…

CHI '202nd AuthorEye 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…

CHI '182nd AuthorEye Tracking & Gaze Interaction

The Index of Pupillary Activity: Measuring Cognitive Load vis-à-vis Task Difficulty with Pupil Oscillation

A novel eye-tracked measure of the frequency of pupil diameter oscillation is proposed for capturing what is thought to be an indicator of cognitive load. The proposed metric, termed the Index of Pupillary Activity, is shown to discriminate task difficulty vis-a-vis cognitive load (if the implied causality can be ass…

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