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Head Mounted Display Interaction Evaluation: Manipulating Virtual Objects in Augmented Reality

Abstract : Augmented Reality (AR) is getting close to real use cases, which is driving the creation of innovative applications and the unprecedented growth of Head-Mounted Display (HMD) devices in consumer availability. However, at present there is a lack of guidelines, common form factors and standard interaction paradigms between devices, which has resulted in each HMD manufacturer creating their own specifications. This paper presents the first experimental evaluation of two AR HMDs evaluating their interaction paradigms, namely we used the HoloLens v1 (metaphoric interaction) and Meta2 (isomorphic interaction). We report on precision, interactivity and usability metrics in an object manipulation task-based user study. 20 participants took part in this study and significant differences were found between interaction paradigms for translation tasks, where the isomorphic mapped interaction outperformed the metaphoric mapped interaction in both time to completion and accuracy, while the contrary was found for the resize task. From an interaction perspective, the isomorphic mapped interaction (using the Meta2) was perceived as more natural and usable with a significantly higher usability score and a significantly lower task-load index. However, when task accuracy and time to completion is key mixed interaction paradigms need to be considered.
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Submitted on : Monday, June 22, 2020 - 3:52:51 PM
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Maite Frutos-Pascual, Chris Creed, Ian Williams. Head Mounted Display Interaction Evaluation: Manipulating Virtual Objects in Augmented Reality. 17th IFIP Conference on Human-Computer Interaction (INTERACT), Sep 2019, Paphos, Cyprus. pp.287-308, ⟨10.1007/978-3-030-29390-1_16⟩. ⟨hal-02877682⟩

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