Designing a Vibrotactile Head-Mounted Display for Spatial Awareness in 3D Spaces
Designing a Vibrotactile Head-Mounted Display for Spatial Awareness in 3D Spaces
复制标题
设计用于 3D 空间空间感知的振动触觉头戴式显示器
DOI：
10.1109/tvcg.2017.2657238
复制
发表时间：
2017
影响因子：
5.2
通讯作者：
Anderson Maciel
中科院分区：
文献类型：
--
作者：
Victor Adriel de Jesus Oliveira;L. Brayda;L. Nedel;Anderson Maciel
由于头部的感知特性，振动触觉头盔显示器的致动器密度较低。因此，振动触觉制导主要是通过指向方位平面上的对象来评估的。当涉及到3D环境中的多感官交互时，传达关于立面中对象的信息也很重要。在本文中，我们设计并评估了一种适用于3D环境的触觉导航技术。首先，我们探索了振动频率的调制来指示物体在仰面上的位置。然后，我们评估了一种振动触觉头盔显示器，它通过改变刺激轨迹和振动频率来呈现对象周围3D空间中对象的位置。结果表明，在主动头部指向任务中，用二次增长函数调制频率可以实现更准确、更精确和更快的目标定位。该技术为沉浸式VR设置中跨不同场景的触觉搜索提供了高度的可用性和强大的学习效果。
Due to the perceptual characteristics of the head, vibrotactile Head-mounted Displays are built with low actuator density. Therefore, vibrotactile guidance is mostly assessed by pointing towards objects in the azimuthal plane. When it comes to multisensory interaction in 3D environments, it is also important to convey information about objects in the elevation plane. In this paper, we design and assess a haptic guidance technique for 3D environments. First, we explore the modulation of vibration frequency to indicate the position of objects in the elevation plane. Then, we assessed a vibrotactile HMD made to render the position of objects in a 3D space around the subject by varying both stimulus loci and vibration frequency. Results have shown that frequencies modulated with a quadratic growth function allowed a more accurate, precise, and faster target localization in an active head pointing task. The technique presented high usability and a strong learning effect for a haptic search across different scenarios in an immersive VR setup.