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Impact of AR Display Context Switching and Focal Distance Switching on Human Performance: Replication on an AR Haploscope

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PubDate: March 2020

Teams: James Worth Bagley College of Engineering

Writers: Mohammed Safayet Arefin, Nate Phillips, Alexander Plopski, Joseph L Gabbard, J. Edward Swan II

PDF: Impact of AR Display Context Switching and Focal Distance Switching on Human Performance: Replication on an AR Haploscope

Abstract

Most current augmented reality (AR) displays present content at a fixed focal demand. At the same time, real-world stimuli can occur at a variety of focal distances. To integrate information, users need to switch eye focus between virtual and real-world information continuously. Previously, Gabbard, Mehra, and Swan (2018) examined these issues, using a text-based visual search task on a monocular AR display. This thesis replicated and extended the previous experiment by including a new experimental variable stereopsis (stereo, mono) and fully crossing the variables of context switching and focal distance switching, using AR haploscope. The results from the monocular condition indicate successful replication, which is consistent with the hypothesis that the findings are a general property of AR. The outcome of the stereo condition supports the same adverse effects of context switching and focal distance switching. Further, participants have better performance and less eye fatigue in the stereo condition compared to the monocular condition.

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Paper