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Add intro section in chapters

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Erwan Normand
2024-10-11 20:49:35 +02:00
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3-manipulation/visual-hand/1-introduction.tex
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\noindent Touching, grasping and manipulating \VOs are fundamental interactions in \AR (\secref[related_work]{ve_tasks}) and essential for many of its applications (\secref[related_work]{ar_applications}).
\section{Introduction}
\label{intro}
Touching, grasping and manipulating \VOs are fundamental interactions in \AR (\secref[related_work]{ve_tasks}) and essential for many of its applications (\secref[related_work]{ar_applications}).
The most common current \AR systems, in the form of portable and immersive \OST-\AR headsets \cite{hertel2021taxonomy}, allow real-time hand tracking and direct interaction with \VOs with bare hands (\secref[related_work]{real_virtual_gap}).
Manipulation of \VOs is achieved using a virtual hand interaction technique that represents the user's hand in the \VE and simulates interaction with \VOs (\secref[related_work]{ar_virtual_hands}).
However, direct hand manipulation is still challenging due to the intangibility of the \VE, the lack of mutual occlusion between the hand and the \VO in \OST-\AR (\secref[related_work]{ar_displays}), and the inherent delays between the user's hand and the result of the interaction simulation (\secref[related_work]{ar_virtual_hands}).

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3-manipulation/visuo-haptic-hand/1-introduction.tex
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\noindent Providing haptic feedback during free-hand manipulation in \AR is not trivial, as wearing haptic devices on the hand might affect the tracking capabilities of the system \cite{pacchierotti2016hring}.
\section{Introduction}
\label{intro}
Providing haptic feedback during free-hand manipulation in \AR is not trivial, as wearing haptic devices on the hand might affect the tracking capabilities of the system \cite{pacchierotti2016hring}.
Moreover, it is important to leave the user capable of interacting with both virtual and real objects, avoiding the use of haptic interfaces that cover the fingertips or palm.
For this reason, it is often considered beneficial to move the point of application of the haptic rendering elsewhere on the hand (\secref[related_work]{vhar_haptics}).
However, the impact of the positioning of the haptic rendering on the hand during direct hand manipulation in \AR has not been systematically studied.