分离,组合,还是混合?-比较手持式增强现实的协作3D对象操作技术

Jonathan Wieland, Johannes Zagermann, Jens Müller, Harald Reiterer
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引用次数: 3

摘要

增强现实(AR)支持的协作是HCI研究中的一个热门话题。之前的工作已经展示了协同3D对象操作的好处,并确定了两种可能性:分开或组合用户的输入。然而,他们使用手持AR显示器的实验比较仍然缺失。因此,我们进行了一项实验,在这项实验中,我们使用三种操作技术,让24对搭档在手持AR中协同定位虚拟物体:1)分离—同时只执行不同的操作任务(即平移或旋转),2)组合—同时只执行相同的操作任务,并使用合并策略组合单个输入,3)混合—同时执行任何操作任务,实现分离和组合之间的动态转换。虽然所有的技术都同样有效,但组合是效率最低的,具有更高的主观工作量和更差的用户体验。偏好在明确的工作分工(分离)和自由的行动(混合)之间两极分化。基于我们的发现,我们提供了研究和设计建议。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Separation, Composition, or Hybrid? – Comparing Collaborative 3D Object Manipulation Techniques for Handheld Augmented Reality
Augmented Reality (AR) supported collaboration is a popular topic in HCI research. Previous work has shown the benefits of collaborative 3D object manipulation and identified two possibilities: Either separate or compose users’ inputs. However, their experimental comparison using handheld AR displays is still missing. We, therefore, conducted an experiment in which we tasked 24 dyads with collaboratively positioning virtual objects in handheld AR using three manipulation techniques: 1) Separation – performing only different manipulation tasks (i. e., translation or rotation) simultaneously, 2) Composition – performing only the same manipulation tasks simultaneously and combining individual inputs using a merge policy, and 3) Hybrid – performing any manipulation tasks simultaneously, enabling dynamic transitions between Separation and Composition. While all techniques were similarly effective, Composition was least efficient, with higher subjective workload and worse user experience. Preferences were polarized between clear work division (Separation) and freedom of action (Hybrid). Based on our findings, we offer research and design implications.
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