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Fix visual-hand chapter

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Erwan Normand
2024-09-24 22:29:49 +02:00
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3-manipulation/visual-hand/1-introduction.tex
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@@ -37,25 +37,28 @@ In this paper, we investigate the role of the visuo-haptic rendering of the hand
We consider two representative manipulation tasks: push-and-slide and grasp-and-place a virtual object.
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The main contributions of this work are:
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\begin{itemize}
\item a first human subject experiment evaluating the performance and user experience of six visual hand renderings superimposed on the real hand;
\item A comparison from the literature of the six most common visual hand renderings used in \AR.
\item A user study evaluating with 24 participants the performance and user experience of the six visual hand renderings superimposed on the real hand during free and direct hand manipulation of \VOs in \OST-\AR.
\end{itemize}
\begin{subfigs}{hands}{The six visual hand renderings}[
Depicted as seen by the user through the \AR headset during the two-finger grasping of a virtual cube.
In the next sections, we first present the six visual hand renderings considered in this study and gathered from the literature. We then describe the experimental setup and design, the two manipulation tasks, and the metrics used. We present the results of the user study and discuss the implications of these results for the manipulation of \VOs directly with the hand in \AR.
\begin{subfigs}{hands}{The six visual hand renderings.}[
As seen by the user through the \AR headset during the two-finger grasping of a virtual cube.
][
\item No visual rendering \emph{(None)}.
\item Cropped virtual content to enable hand-cube occlusion \emph{(Occlusion, Occl)}.
\item Rings on the fingertips \emph{(Tips)}.
\item Thin outline of the hand \emph{(Contour, Cont)}.
\item Fingers' joints and phalanges \emph{(Skeleton, Skel)}.
\item Semi-transparent 3D hand model \emph{(Mesh)}.
\item No visual rendering \level{(None)}.
\item Cropped virtual content to enable hand-cube occlusion \level{(Occlusion, Occl)}.
\item Rings on the fingertips \level{(Tips)}.
\item Thin outline of the hand \level{(Contour, Cont)}.
\item Fingers' joints and phalanges \level{(Skeleton, Skel)}.
\item Semi-transparent 3D hand model \level{(Mesh)}.
]
\subfig[0.15]{method/hands-none}
\subfig[0.15]{method/hands-occlusion}
\subfig[0.15]{method/hands-tips}
\subfig[0.15]{method/hands-contour}
\subfig[0.15]{method/hands-skeleton}
\subfig[0.15]{method/hands-mesh}
\subfig[0.22]{method/hands-none}
\subfig[0.22]{method/hands-occlusion}
\subfig[0.22]{method/hands-tips}
\par
\subfig[0.22]{method/hands-contour}
\subfig[0.22]{method/hands-skeleton}
\subfig[0.22]{method/hands-mesh}
\end{subfigs}