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Article Dans Une Revue IEEE Transactions on Haptics (ToH) Année : 2020

Pre-Calibrated Visuo-Haptic Co-Location Improves Execution in Virtual Environments

Résumé

A common approach to visio-haptic human-machine interfaces adopts a simpler design by shifting grounded force feedback away from the virtual scene. The alternative design favors intuitiveness by displaying visual and grounded force feedback at the same location (i.e. visuo-haptic co-location) but requires a sensibly more complex implementation and a tedious kinematic conception. The benefits of one approach over the other had not been fully investigated. Notably, (i) while users seem to better operate under co-located condition, it's not always the case. (ii) In the case of a desktop interface, the cost of a complex implementation to achieve co-location is challenged. We aim here to resolve (i) by conducting a user-centered experiment in which participants performed two generic tasks in co-located and delocated configurations, and comparing their performances. Additionally, we intend to fill the gap (ii) by testing a design without continuous head tracking, i.e with static co-location. Participants' performances are assessed in terms of execution time, accuracy and force variation, while their subjective experiences are collected via a survey. Findings indicate that co-located configurations lead to shorter execution times, more accurate motions, better management of forces and are largely preferred by users, even when the co-location is pre-calibrated statically.
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Dates et versions

hal-04301896 , version 1 (23-11-2023)

Identifiants

Citer

Justine Saint-Aubert, Loic P Heurley, Nicolas Morgado, Stephane Regnier, Sinan Haliyo. Pre-Calibrated Visuo-Haptic Co-Location Improves Execution in Virtual Environments. IEEE Transactions on Haptics (ToH), 2020, 13 (3), pp.588-599. ⟨10.1109/TOH.2019.2957801⟩. ⟨hal-04301896⟩
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