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Erwan Normand
2024-09-23 14:35:59 +02:00
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2-perception/xr-perception/1-introduction.tex
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Wearable haptic devices, worn directly on the finger or hand, have been used to render a variety of tactile sensations to virtual objects seen in VR \cite{choi2018claw,detinguy2018enhancing,pezent2019tasbi} or AR \cite{maisto2017evaluation,meli2018combining,teng2021touch}.
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They have also been used to alter the perception of roughness, stiffness, friction, and local shape perception of real tangible objects \cite{asano2015vibrotactile,detinguy2018enhancing,normand2024augmenting,salazar2020altering}.
They have also been used to alter the perception of roughness, stiffness, friction, and local shape perception of real tangible objects \cite{asano2015vibrotactile,detinguy2018enhancing,salazar2020altering}.
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Such techniques place the actuator \emph{close} to the point of contact with the real environment, leaving the user free to directly touch the tangible.
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This combined use of wearable haptics with tangible objects enables a haptic \emph{augmented} reality (HAR) \cite{bhatia2024augmenting} that can provide a rich and varied haptic feedback.
The degree of reality/virtuality in both visual and haptic sensory modalities can be varied independently, but wearable haptic AR has been little explored with VR and (visual) AR \cite{choi2021augmenting,normand2024augmenting}.
The degree of reality/virtuality in both visual and haptic sensory modalities can be varied independently, but wearable haptic AR has been little explored with VR and (visual) AR \cite{choi2021augmenting}.
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Although AR and VR are closely related, they have significant differences that can affect the user experience \cite{genay2021virtual,macedo2023occlusion}.
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@@ -49,7 +49,7 @@ Previous works have shown, for example, that the stiffness of a virtual piston r
The goal of this paper is to study the role of the visual rendering of the hand (real or virtual) and its environment (AR or VR) on the perception of a tangible surface whose texture is augmented with a wearable vibrotactile device worn on the finger.
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We focus on the perception of roughness, one of the main tactile sensations of materials \cite{baumgartner2013visual,hollins1993perceptual,okamoto2013psychophysical} and one of the most studied haptic augmentations \cite{asano2015vibrotactile,culbertson2014modeling,friesen2024perceived,normand2024augmenting,strohmeier2017generating,ujitoko2019modulating}.
We focus on the perception of roughness, one of the main tactile sensations of materials \cite{baumgartner2013visual,hollins1993perceptual,okamoto2013psychophysical} and one of the most studied haptic augmentations \cite{asano2015vibrotactile,culbertson2014modeling,friesen2024perceived,strohmeier2017generating,ujitoko2019modulating}.
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By understanding how these visual factors influence the perception of haptically augmented tangible objects, the many wearable haptic systems that already exist but have not yet been fully explored with AR can be better applied and new visuo-haptic renderings adapted to AR can be designed.