TouchView: Mid-Air Touch on Zoomable 2D View for Distant Freehand Selection on a Virtual Reality User Interface

被引:0
作者
Kim, Woojoo [1 ]
Xiong, Shuping [2 ]
机构
[1] Kangwon Natl Univ, Div Liberal Studies, Chunchon 24341, South Korea
[2] Korea Adv Inst Sci & Technol KAIST, Dept Ind & Syst Engn, Daejeon 34141, South Korea
基金
新加坡国家研究基金会;
关键词
virtual reality; selection technique; mid-air interaction; human performance; user behavior; REDUCED TIMING VARIABILITY; OBJECT SELECTION; TARGET SELECTION; 3D SELECTION; ENVIRONMENTS; MANIPULATION; DESIGN;
D O I
10.3390/s24227202
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Selection is a fundamental interaction element in virtual reality (VR) and 3D user interfaces (UIs). Raycasting, one of the most common object selection techniques, is known to have difficulties in selecting small or distant objects. Meanwhile, recent advancements in computer vision technology have enabled seamless vision-based hand tracking in consumer VR headsets, enhancing accessibility to freehand mid-air interaction and highlighting the need for further research in this area. This study proposes a new technique called TouchView, which utilizes a virtual panel with a modern adaptation of the Through-the-Lens metaphor to improve freehand selection for VR UIs. TouchView enables faster and less demanding target selection by allowing direct touch interaction with the magnified object proxies reflected on the panel view. A repeated-measures ANOVA on the results of a follow-up experiment on multitarget selection with 23 participants showed that TouchView outperformed the current market-dominating freehand raycasting technique, Hybrid Ray, in terms of task performance, perceived workload, and preference. User behavior was also analyzed to understand the underlying reasons for these improvements. The proposed technique can be used in VR UI applications to enhance the selection of distant objects, especially for cases with frequent view shifts.
引用
收藏
页数:19
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