Problem
Research questions and friction points this paper is trying to address.
unimanual scaling
gaze and hand interactions
XR environments
spatial manipulation
UniScale: Exploring Unimanual Gesture Mapping Strategies for Gaze+Pinch-based Scaling Interaction
🤖 AI Summary
研究通过目光和手势探索单手缩放XR环境中物体的方法，提出五种基于物理隐喻的策略，并与双手操作对比，发现单手技术在无离合条件下表现更佳。
📝 Abstract
Object scaling serves as a fundamental spatial manipulation that enables complex and productive tasks in XR environments. This paper investigates unimanual scaling techniques for XR using gaze and hand interactions. We propose UniScale, a set of unimanual alternatives to the standard bimanual pinch, allowing users to scale objects while preserving hand availability for concurrent spatial manipulations. We design five distinct mapping strategies based on physical metaphors, exploring unimanual control that varies depth, angle, micro-gestures, and finger-distance input. We then compare these techniques against a standard bimanual baseline, in which users adjust the inter-hand distance via a bimanual pinch gesture. In a user study, we evaluate their effectiveness in a 3D object scaling task under both clutching and clutching-free conditions. The results indicate that while bimanual scaling relies on clutching for stable control, unimanual techniques excel in clutching-free conditions, significantly reducing physical hand movement. From the results, we derive valuable design implications for developing efficient 3D multimodal interactions in XR.
Innovation
Methods, ideas, or system contributions that make the work stand out.
Unimanual Scaling
Gaze+Pinch Interaction
XR Environments
Clutching-free Control
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