Avoiding 3D Obstacles in Mixed Reality: Does It Differ from Negotiating Real Obstacles?

Autor: Daphne J. Geerse, Bert H. Coolen, Peter J. Beek, Melvyn Roerdink
Přispěvatelé: Faculty of Human Movement Sciences, AMS - Sports, Neuromechanics, IBBA, Coordination Dynamics, AMS - Ageing and Morbidity
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Sensors
Volume 20
Issue 4
Sensors, Vol 20, Iss 4, p 1095 (2020)
Sensors (Switzerland), 20(4):1095, 1-24. Multidisciplinary Digital Publishing Institute (MDPI)
Sensors (Basel, Switzerland)
Coolen, B, Beek, P J, Geerse, D J & Roerdink, M 2020, ' Avoiding 3D obstacles in mixed reality : Does it differ from negotiating real obstacles? ', Sensors (Switzerland), vol. 20, no. 4, 1095, pp. 1-24 . https://doi.org/10.3390/s20041095
ISSN: 1424-8220
DOI: 10.3390/s20041095
Popis: Mixed-reality technologies are evolving rapidly, allowing for gradually more realistic interaction with digital content while moving freely in real-world environments. In this study, we examined the suitability of the Microsoft HoloLens mixed-reality headset for creating locomotor interactions in real-world environments enriched with 3D holographic obstacles. In Experiment 1, we compared the obstacle-avoidance maneuvers of 12 participants stepping over either real or holographic obstacles of different heights and depths. Participants&rsquo
avoidance maneuvers were recorded with three spatially and temporally integrated Kinect v2 sensors. Similar to real obstacles, holographic obstacles elicited obstacle-avoidance maneuvers that scaled with obstacle dimensions. However, with holographic obstacles, some participants showed dissimilar trail or lead foot obstacle-avoidance maneuvers compared to real obstacles: they either consistently failed to raise their trail foot or crossed the obstacle with extreme lead-foot margins. In Experiment 2, we examined the efficacy of mixed-reality video feedback in altering such dissimilar avoidance maneuvers. Participants quickly adjusted their trail-foot crossing height and gradually lowered extreme lead-foot crossing heights in the course of mixed-reality video feedback trials, and these improvements were largely retained in subsequent trials without feedback. Participant-specific differences in real and holographic obstacle avoidance notwithstanding, the present results suggest that 3D holographic obstacles supplemented with mixed-reality video feedback may be used for studying and perhaps also training 3D obstacle avoidance.
Databáze: OpenAIRE
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