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Erwan Normand
2024-06-27 17:52:03 +02:00
parent eb80ce3e38
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3-manipulation/visual-hand/4-discussion.tex
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@@ -19,9 +19,9 @@ Interestingly, all visual hand renderings showed grip apertures very close to th
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Having no visual hand rendering, but only the reaction of the cube to the interaction as feedback, made participants less confident in their grip.
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This result contrasts with the wrongly estimated grip apertures observed by \citeauthorcite{al-kalbani2016analysis} in an exocentric VST-AR setup.
This result contrasts with the wrongly estimated grip apertures observed by \textcite{al-kalbani2016analysis} in an exocentric VST-AR setup.
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Also, while some participants found the absence of visual hand rendering more natural, many of them commented on the importance of having feedback on the tracking of their hands, as observed by \citeauthorcite{xiao2018mrtouch} in a similar immersive OST-AR setup.
Also, while some participants found the absence of visual hand rendering more natural, many of them commented on the importance of having feedback on the tracking of their hands, as observed by \textcite{xiao2018mrtouch} in a similar immersive OST-AR setup.
Yet, participants' opinions of the visual hand renderings were mixed on many questions, except for the Occlusion one, which was perceived less effective than more \enquote{complete} visual hands such as Contour, Skeleton, and Mesh hands (see \figref{3_questions}).
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@@ -33,7 +33,7 @@ Many participants reported difficulties in seeing the orientation of the visual
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while others found that it gave them a better sense of the contact points and improved their concentration on the task.
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This result are consistent with \citeauthorcite{saito2021contact}, who found that displaying the points of contacts was beneficial for grasping a virtual object over an opaque visual hand overlay.
This result are consistent with \textcite{saito2021contact}, who found that displaying the points of contacts was beneficial for grasping a virtual object over an opaque visual hand overlay.
To summarize, when employing a visual hand rendering overlaying the real hand, participants were more performant and confident in manipulating virtual objects with bare hands in AR.
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@@ -43,7 +43,7 @@ Our results show the most effective visual hand rendering to be the Skeleton one
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Although the Contour and Mesh hand renderings were also highly rated, some participants felt that they were too visible and masked the real hand.
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This result is in line with the results of virtual object manipulation in VR of \citeauthorcite{prachyabrued2014visual}, who found that the most effective visual hand rendering was a double representation of both the real tracked hand and a visual hand physically constrained by the virtual environment.
This result is in line with the results of virtual object manipulation in VR of \textcite{prachyabrued2014visual}, who found that the most effective visual hand rendering was a double representation of both the real tracked hand and a visual hand physically constrained by the virtual environment.
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This type of Skeleton rendering was also the one that provided the best sense of agency (control) in VR~\cite{argelaguet2016role, schwind2018touch}.