Xiaotian Zhang, Weiping He, Mark Billinghurst, Yunfei Qin, Lingxiao Yang, Daisong Liu, Zenglei Wang
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引用次数: 0
Abstract
Manual precise manipulation of objects is an essential skill in everyday life, and Augmented Reality (AR) is increasingly being used to support such operations. In this study, we investigate whether detailed visualizations of position and orientation deviations are helpful for AR-assisted manual precise manipulation of objects. We developed three AR instructions with different visualizations of deviations: the logical deviation baseline instruction, the precise numerical deviations-based instruction, and the intuitive color-mapped deviations-based instruction. All three instructions visualized the required directions for manipulation and the logical values of whether the object met the accuracy requirements. Additionally, the latter two instructions provided detailed visualizations of deviations through numerical text and color-mapping respectively. A user study was conducted with 18 participants to compare the three AR instructions. The results showed that there were no significant differences found in speed, accuracy, perceived ease-of-use, and perceived workload between the three AR instructions. We found that the visualizations of the required directions for manipulation and the logical values of whether the object met the accuracy requirements were sufficient to guide manual precise manipulation. The detailed visualizations of the real-time deviations could not improve the speed and accuracy of manual precise manipulation, and although they could improve the perceived ease-of-use and user experience, the effects were not significant. Based on the results, several recommendations were provided for designing AR instructions to support precise manual manipulation.
手动精确操作物体是日常生活中的一项基本技能,而增强现实(AR)正越来越多地被用于支持此类操作。在本研究中,我们调查了位置和方向偏差的详细可视化是否有助于 AR 辅助手动精确操作物体。我们开发了三种具有不同偏差可视化的 AR 指令:逻辑偏差基准指令、基于精确数字偏差的指令和基于直观彩色映射偏差的指令。这三种指令都将所需的操作方向和物体是否符合精度要求的逻辑值可视化。此外,后两种指令还分别通过数字文本和颜色映射提供了详细的偏差可视化。我们对 18 名参与者进行了用户研究,以比较这三种增强现实技术指令。研究结果表明,三种增强现实技术指令在速度、准确性、易用性和工作量方面没有明显差异。我们发现,可视化操作所需的方向以及物体是否符合精度要求的逻辑值足以指导手动精确操作。对实时偏差的详细可视化并不能提高手动精确操作的速度和准确性,虽然可以提高易用性和用户体验,但效果并不显著。根据研究结果,我们为设计支持精确手动操作的 AR 指令提出了若干建议。
期刊介绍:
The journal, established in 1995, publishes original research in Virtual Reality, Augmented and Mixed Reality that shapes and informs the community. The multidisciplinary nature of the field means that submissions are welcomed on a wide range of topics including, but not limited to:
Original research studies of Virtual Reality, Augmented Reality, Mixed Reality and real-time visualization applications
Development and evaluation of systems, tools, techniques and software that advance the field, including:
Display technologies, including Head Mounted Displays, simulators and immersive displays
Haptic technologies, including novel devices, interaction and rendering
Interaction management, including gesture control, eye gaze, biosensors and wearables
Tracking technologies
VR/AR/MR in medicine, including training, surgical simulation, rehabilitation, and tissue/organ modelling.
Impactful and original applications and studies of VR/AR/MR’s utility in areas such as manufacturing, business, telecommunications, arts, education, design, entertainment and defence
Research demonstrating new techniques and approaches to designing, building and evaluating virtual and augmented reality systems
Original research studies assessing the social, ethical, data or legal aspects of VR/AR/MR.