Comparative Analysis of Mission Planning and Execution Times Between the Microsoft HoloLens and the Surface Touch Table
2020
In this paper, we present results of an investigation comparing two visualization technologies: the Microsoft HoloLens and the Microsoft Surface Touch Table. Two-person teams (dyads) played the role of commander’s staff tasked with planning the most efficient and safest mission route for a squad of soldiers to extract a repository of intelligence documents from the ruins of a building located in enemy territory. Quantitative and qualitative measures of performance were collected. We focused on two performance measures: total mission planning time and mission execution time (the planned route run in a simulated execution mode). Surprisingly, there was a significant decrease in planning time when using the Surface Touch Table. The dyads needed on average 86% more time to plan the mission using the HoloLens. Additionally, this increase in mission planning time associated with the HoloLens did not produce a more optimal mission solution. In a search for understanding the unexpected results, a content analysis of a preferred visualization questionnaire is described. Analysis results suggested: a more realistic scene invited unnecessary exploration instead of focused time on task; becoming familiar with the HoloLens spilled over into task time; collaborative and communication difficulties stemmed from the HoloLens being designed as a single-user device.
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