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Comparing an Augmented Reality Navigation Display to an Electronic Map for Military Reconnaissance.

Ergonomics(2021)SCI 2区SCI 3区

Univ Toronto | Def Res & Dev Canada

Cited 5|Views8
Abstract
The next generation of displays for soldiers may include augmented reality capabilities. One such display, called Mirror in the Sky (MitS), presents survey information in the upper visual field. Using a virtual reality simulation of a military reconnaissance scenario, we compared a MitS prototype to a familiar electronic 2D north-up map. Participants (24 soldiers) were told to follow a prescribed route, detect potential threats, and reroute around them. They also performed a secondary task as a measure of mental workload. At the end of the route, the soldiers were asked to recall the locations of threats and route changes. Participants made better reroute decisions with the north-up map than with MitS, although no differences were observed for threat detection or mental workload. They also scored higher on recall with the north-up map than with MitS. Practitioner Summary: An augmented reality navigation aid was compared to an electronic north-up map in a military reconnaissance scenario, in a virtual reality simulation. Participants made better route decisions and had better recall with the north-up map, but no mental workload differences were found between displays.
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Navigation,augmented reality,virtual environments,workload,military
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要点】:本文通过虚拟现实模拟军事侦察场景,对比了增强现实导航显示系统(Mirror in the Sky,MitS)与传统电子2D北方向上地图在士兵导航和威胁识别方面的表现,发现使用北方向上地图的士兵在路线决策和回忆方面表现更佳,但两种方式在心智负担方面没有差异。

方法】:研究采用虚拟现实技术模拟军事侦察情景,让24名士兵分别使用MitS原型和电子2D北方向上地图执行指定任务,包括按路线行进、识别潜在威胁并绕行,同时完成次级任务以评估心智负担。

实验】:实验使用的数据集为虚拟现实环境中的模拟侦察场景,结果显示,士兵在使用北方向上地图时能做出更好的绕行决策,且在回忆威胁位置和路线变更时得分更高,但两种显示系统在心智负担上没有显著差异。