Scene Awareness While Using Multiple Navigation Aids in AR Search
Radha Kumaran, You-Jin Kim, Emily Machniak, Shane Dirksen, Junhyung Yoon, Tom Bullock, Barry Giesbrecht, Tobias H\"ollerer

TL;DR
This study investigates how using multiple navigation aids in AR affects user scene awareness and object recall, highlighting the cognitive impacts of different guidance methods in large-scale AR environments.
Contribution
It provides new insights into the perceptual and cognitive effects of deploying multiple navigation aids simultaneously in AR search tasks.
Findings
Navigation aids impacted object recall negatively.
Switching aids on impaired scene memory.
Results suggest importance of adaptable AR interfaces.
Abstract
Augmented reality (AR) allows virtual information to be presented in the real world, providing support for numerous tasks including search and navigation. Allowing users access to multiple navigation aids may help leverage the benefits of different navigational guidance methods, but may also have negative perceptual and cognitive impacts. In this study, users performed searches for virtual gems within a large-scale augmented environment while choosing to deploy two different navigation aids either independently or simultaneously: world-locked arrows and an on-screen radar. After completing the search, participants were asked to recall objects that may or may not have been present in the scene. The use of navigation aids impacted object recall, with impaired recall of objects in the environment when an aid was switched on. The results point at possible impact factors of object awareness…
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Taxonomy
TopicsAugmented Reality Applications · Spatial Cognition and Navigation · Interactive and Immersive Displays
