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MobileHCI 2024: An Examination of Ultrasound Mid-air Haptics for Enhanced Material and Temperature Perception in Virtual Environments
Manage episode 446009332 series 3605621
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Steeven Villa, Yannick Weiss, Niklas Hirsch, and Alexander Wiethoff. 2024. An Examination of Ultrasound Mid-air Haptics for Enhanced Material and Temperature Perception in Virtual Environments. Proc. ACM Hum.-Comput. Interact. 8, MHCI, Article 243 (September 2024), 21 pages. https://doi.org/10.1145/3676488
Rendering realistic tactile sensations of virtual objects remains a challenge in VR. While haptic interfaces have advanced, particularly with phased arrays, their ability to create realistic object properties like state and temperature remains unclear. This study investigates the potential of Ultrasound Mid-air Haptics (UMH) for enhancing the perceived congruency of virtual objects. In a user study with 30 participants, we assessed how UMH impacts the perceived material state and temperature of virtual objects. We also analyzed EEG data to understand how participants integrate UMH information physiologically. Our results reveal that UMH significantly enhances the perceived congruency of virtual objects, particularly for solid objects, reducing the feeling of mismatch between visual and tactile feedback. Additionally, UMH consistently increases the perceived temperature of virtual objects. These findings offer valuable insights for haptic designers, demonstrating UMH's potential for creating more immersive tactile experiences in VR by addressing key limitations in current haptic technologies.
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