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Article

User Behavior Adaptive AR Guidance for Wayfinding and Tasks Completion

1
Centre de Robotique, MINES ParisTech, Université PSL, 75006 Paris, France
2
Spectral TMS, 91000 Évry-Courcouronnes, France
*
Author to whom correspondence should be addressed.
Academic Editor: Mu-Chun Su
Multimodal Technol. Interact. 2021, 5(11), 65; https://doi.org/10.3390/mti5110065
Received: 1 September 2021 / Revised: 30 September 2021 / Accepted: 5 October 2021 / Published: 20 October 2021
(This article belongs to the Special Issue Feature Papers of MTI in 2021)
Augmented reality (AR) is widely used to guide users when performing complex tasks, for example, in education or industry. Sometimes, these tasks are a succession of subtasks, possibly distant from each other. This can happen, for instance, in inspection operations, where AR devices can give instructions about subtasks to perform in several rooms. In this case, AR guidance is both needed to indicate where to head to perform the subtasks and to instruct the user about how to perform these subtasks. In this paper, we propose an approach based on user activity detection. An AR device displays the guidance for wayfinding when current user activity suggests it is needed. We designed the first prototype on a head-mounted display using a neural network for user activity detection and compared it with two other guidance temporality strategies, in terms of efficiency and user preferences. Our results show that the most efficient guidance temporality depends on user familiarity with the AR display. While our proposed guidance has not proven to be more efficient than the other two, our experiment hints toward several improvements of our prototype, which is a first step in the direction of efficient guidance for both wayfinding and complex task completion. View Full-Text
Keywords: augmented reality; wayfinding; multitask; large space; head-mounted display augmented reality; wayfinding; multitask; large space; head-mounted display
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MDPI and ACS Style

Truong-Allié, C.; Paljic, A.; Roux, A.; Herbeth, M. User Behavior Adaptive AR Guidance for Wayfinding and Tasks Completion. Multimodal Technol. Interact. 2021, 5, 65. https://doi.org/10.3390/mti5110065

AMA Style

Truong-Allié C, Paljic A, Roux A, Herbeth M. User Behavior Adaptive AR Guidance for Wayfinding and Tasks Completion. Multimodal Technologies and Interaction. 2021; 5(11):65. https://doi.org/10.3390/mti5110065

Chicago/Turabian Style

Truong-Allié, Camille, Alexis Paljic, Alexis Roux, and Martin Herbeth. 2021. "User Behavior Adaptive AR Guidance for Wayfinding and Tasks Completion" Multimodal Technologies and Interaction 5, no. 11: 65. https://doi.org/10.3390/mti5110065

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