Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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PAPERS: Human Experience in Product and Interface Design Location: 40 George Square, LG.11 Zoom Link Accessibility: https://www.accessable.co.uk/the-university-of-edinburgh/central-area/access-guides/george-square-40-lecture-theatres Session Chair: Anca Horvath, The Hong Kong University of Science and Technology | |
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Can the Thumb Point Effectively in VR? An Evaluation of Different 3D Pointing Techniques 1: Modern Industrial Design Institute, Zhejiang University, Hangzhou, China; 2: iQOO Software Technology Co., Ltd., Shanghai, China Technological advances have made VR interactions more natural, yet fatigue and social awkwardness persist. Microgestures offer a promising solution. However, prior research has focused mainly on the index finger, leaving the thumb’s potential as a stable, low-fatigue ray-casting modality underexplored. This study conducted two experiments to examine whether the thumb can function as an effective technique for 3D pointing in VR. Experiment 1 compared four input methods: VR controller, hand tracking, index-finger pointing, and thumb pointing. The controller was most efficient, while hand tracking provided greater stability but higher fatigue. Both microgestures outperformed hand tracking in efficiency and fatigue reduction. Experiment 2 examined thumb and index-finger pointing on horizontal and vertical target planes. Vertical layouts facilitated faster and more efficient pointing. The index finger was more efficient overall, but the thumb caused slightly less fatigue during vertical interactions. These findings provide valuable guidance for the design of microgesture-based VR interaction. View Paper: https://doi.org/10.21606/drs.2026.1918
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