Evaluation of Ultrasound Haptics as a Supplementary Feedback Cue for Grasping in Virtual Environments

Frutos-Pascual, Maite and Harrison, Jake and Creed, Chris and Williams, Ian (2019) Evaluation of Ultrasound Haptics as a Supplementary Feedback Cue for Grasping in Virtual Environments. In: ICMI '19: 2019 International Conference on Multimodal Interaction, 14th-18th October 2019, Suzhou, Chinaa.

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Abstract

This paper presents an evaluation of ultrasound mid-air hap-tics as a supplementary feedback cue for grasping and lifting virtual objects in Virtual Reality (VR). We present a user study with 27 participants and evaluate 6 different object sizes ranging from 40 mm to 100 mm. We compare three supplementary feedback cues in VR; mid-air haptics, visual feedback (glow effect) and no supplementary feedback. We report on precision metrics (time to completion, grasp aper-ture and grasp accuracy) and interaction metrics (post-test questionnaire, observations and feedback) to understand gen-eral trends and preferences. The results showed an overall preference for visual cues for bigger objects (>60mm) while ultrasound mid-air haptics were preferred for small virtual targets (≤ 50 mm).

Item Type:	Conference or Workshop Item (Paper)
Identification Number:	10.1145/3340555.3353720
Dates:	Date Event 1 July 2019 Accepted 10 October 2019 Published Online
Uncontrolled Keywords:	grasping, virtual reality, haptics,ultrasound haptics, usability
Subjects:	CAH11 - computing > CAH11-01 - computing > CAH11-01-01 - computer science
Divisions:	Architecture, Built Environment, Computing and Engineering > Computer Science
Depositing User:	Maite Frutos
Date Deposited:	15 Nov 2021 15:28
Last Modified:	22 Mar 2023 12:01
URI:	https://www.open-access.bcu.ac.uk/id/eprint/9245

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