The Impact of Navigation Aids on Search Performance and Object Recall in Wide-Area Augmented Reality

The Impact of Navigation Aids on Search Performance and Object Recall in Wide-Area Augmented Reality
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导航辅助对广域增强现实中的搜索性能和对象回忆的影响

DOI:
10.1145/3544548.3581413
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发表时间:
2023
期刊:
CHI '23: Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems
影响因子:
--
通讯作者:
Höllerer, Tobias
Höllerer, Tobias
中科院分区:
--
文献类型:
--
作者:
Kumaran, Radha;Kim, You-Jin;Milner, Anne E;Bullock, Tom;Giesbrecht, Barry;Höllerer, Tobias

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头戴式增强现实(AR)是一种备受追捧且越来越可行的竞争者范式,可替代或补充智能手机和手表,以实现持续的信息消费。在这里,我们比较了三种不同的AR导航辅助工具(屏幕上的指南针,屏幕上的雷达和在世界上的垂直箭头)在一个大面积的户外用户研究(n=24),其中参与者搜索隐藏的虚拟目标项目之间的物理和虚拟对象。我们分析了参与者的搜索任务性能,运动,眼睛注视,调查反应和物体回忆。有两个关键的发现。首先,相对于控制条件,所有导航辅助工具都增强了搜索性能,并且对世界中的箭头有一些好处和最强烈的用户偏好。第二,用户回忆起的物理对象比环境中的虚拟对象少,这表明对物理环境的意识降低。总之,这些发现表明,虽然AR中呈现的导航辅助可以提高搜索任务的性能,但用户可能会较少关注物理环境,这可能会产生不良的副作用。
Head-worn augmented reality (AR) is a hotly pursued and increasingly feasible contender paradigm for replacing or complementing smartphones and watches for continual information consumption. Here, we compare three different AR navigation aids (on-screen compass, on-screen radar and in-world vertical arrows) in a wide-area outdoor user study (n=24) where participants search for hidden virtual target items amongst physical and virtual objects. We analyzed participants’ search task performance, movements, eye-gaze, survey responses and object recall. There were two key findings. First, all navigational aids enhanced search performance relative to a control condition, with some benefit and strongest user preference for in-world arrows. Second, users recalled fewer physical objects than virtual objects in the environment, suggesting reduced awareness of the physical environment. Together, these findings suggest that while navigational aids presented in AR can enhance search task performance, users may pay less attention to the physical environment, which could have undesirable side-effects.
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