From e0f7f216d2470639e7bda90dc25bae109f9e118f Mon Sep 17 00:00:00 2001 From: Erwan Normand Date: Thu, 17 Apr 2025 17:46:18 +0200 Subject: [PATCH] Typo --- 3-perception/vhar-system/1-introduction.tex | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/3-perception/vhar-system/1-introduction.tex b/3-perception/vhar-system/1-introduction.tex index 3d0fa92..9d06164 100644 --- a/3-perception/vhar-system/1-introduction.tex +++ b/3-perception/vhar-system/1-introduction.tex @@ -2,8 +2,9 @@ \label{intro} One approach to render virtual haptic textures consists in simulating the roughness of a periodic grating surface as a vibrotactile sinusoidal (\secref[related_work]{texture_rendering}). -The vibrations are rendered to a voice-coil actuator embedded in a hand-held tool or worn on the finger, but to create the illusion of touching a pattern with a fixed spatial period, the frequency of signal must be modulated according to the finger movement. -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}. +The vibrations are rendered to a voice-coil actuator embedded in a hand-held tool or worn on the finger. +To create the illusion of touching a pattern with a fixed spatial period, the frequency of signal must be modulated according to the finger movement. +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}