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Erwan Normand
2025-05-01 22:31:51 +02:00
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3-perception/vhar-system/1-introduction.tex
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@@ -7,8 +7,6 @@ To create the illusion of touching a pattern with a fixed spatial period, the fr
Previous work either used mechanical system to track the movement at high frequency \cite{strohmeier2017generating,friesen2024perceived}, or required the user to move at a constant speed to keep the signal frequency constant \cite{asano2015vibrotactile,ujitoko2019modulating}.
However, this method has not yet been integrated in an \AR headset context, where the user should be able to freely touch and explore the visuo-haptic texture augmentations.
%which either constrained hand to a constant speed to keep the signal frequency constant \cite{asano2015vibrotactile,friesen2024perceived}, or used mechanical sensors attached to the hand \cite{friesen2024perceived,strohmeier2017generating}
In this chapter, we propose a \textbf{system for rendering visual and haptic virtual textures that augment real surfaces}.
It is implemented with the \OST-\AR headset Microsoft HoloLens~2 and a wearable vibrotactile (voice-coil) device worn on the outside of finger (not covering the fingertip).
The visuo-haptic augmentations rendered with this design allow a user to \textbf{see the textures from any angle} and \textbf{explore them freely with the bare finger}, as if they were real textures.