期刊
INTERNATIONAL JOURNAL OF HUMAN-COMPUTER INTERACTION
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10447318.2023.2291620
关键词
6-DOF tracking device; manipulation; scaling task; mid-air interaction
This study examines methods for controlling the scaling property of 3D models in virtual reality applications, proposes a scaling manipulation framework that combines the advantages of different schemes, and validates its accuracy and efficiency through a user study.
In virtual reality applications, translation, orientation, and scaling are the three basic properties of 3D model manipulation. The 6-DOF tracking device can be used to directly manipulate the former two properties. However, the scaling property cannot be directly mapped with a hand-held tracking device because it is physically impossible. In this study, we first compare various schemes for mapping the translation and orientation of a handheld tracking device to the 3D model's scaling property. Next, we propose a scaling manipulation framework that combines the advantages of different schemes. This enables accurate and natural wide-range scaling with the orthogonal combination design of the translation and orientation data of the tracking device. The efficiency and accuracy of the proposed framework were examined in a user study, which verified that it improved the scaling error of wide-range scaling by over 55% without a significant decrease in time performance. Finally, two scaling scenarios for the application of this framework were presented.
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