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Conference Papers Year : 2022

Design and Evaluation of Electrotactile Rendering Effects for Finger-Based Interactions in Virtual Reality

Abstract

The use of electrotactile feedback in Virtual Reality (VR) has shown promising results for providing tactile information and sensations. While progress has been made to provide custom electrotactile feedback for specific interaction tasks, it remains unclear which modulations and rendering algorithms are preferred in rich interaction scenarios. In this paper, we propose a unified tactile rendering architecture and explore the most promising modulations to render finger interactions in VR. Based on a literature review, we designed six electrotactile stimulation patterns/effects (EFXs) striving to render different tactile sensations. In a user study (N=18), we assessed the six EFXs in three diverse finger interactions: 1) tapping on a virtual object; 2) pressing down a virtual button; 3) sliding along a virtual surface. Results showed that the preference for certain EFXs depends on the task at hand. No significant preference was detected for tapping (short and quick contact); EFXs that render dynamic intensities or dynamic spatio-temporal patterns were preferred for pressing (continuous dynamic force); EFXs that render moving sensations were preferred for sliding (surface exploration). The results showed the importance of the coherence between the modulation an the interaction being performed and the study proved the versatility of electrotactile feedback and its efficiency in rendering different haptic information and sensations.
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Dates and versions

hal-03799188 , version 1 (06-10-2022)

Identifiers

Cite

Sebastian Vizcay, Panagiotis Kourtesis, Ferran Argelaguet, Claudio Pacchierotti, Maud Marchal. Design and Evaluation of Electrotactile Rendering Effects for Finger-Based Interactions in Virtual Reality. VRST - 28th ACM Symposium on Virtual Reality Software and Technology, Nov 2022, Tsukuba, Japan. pp.1-11, ⟨10.1145/3562939.3565634⟩. ⟨hal-03799188⟩
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