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Erwan Normand
2025-04-11 23:01:34 +02:00
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4-manipulation/visual-hand/1-introduction.tex
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\label{intro}
Touching, grasping and manipulating virtual objects 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 virtual objects with bare hands (\secref[related_work]{real_virtual_gap}).
Manipulation of virtual objects is achieved using a virtual hand interaction technique that represents the user's hand in the \VE and simulates interaction with virtual objects (\secref[related_work]{ar_virtual_hands}).
The visual feedback of the virtual hand is a key element for interacting and manipulating virtual objects in \VR \cite{prachyabrued2014visual,grubert2018effects}.
Some work has also investigated the visual feedback of the virtual hand in \AR, but not in a context of virtual object manipulation \cite{al-kalbani2016analysis,yoon2020evaluating} or was limited to a single visual hand augmentation \cite{piumsomboon2014graspshell,blaga2017usability,maisto2017evaluation}.