33 lines
1.3 KiB
TeX
33 lines
1.3 KiB
TeX
\subsection{Ranking}
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\label{ranks}
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\begin{subfigs}{results_ranks}{Boxplots of the ranking for each visual hand rendering. }[
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Lower is better.
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Pairwise Wilcoxon signed-rank tests with Holm-Bonferroni adjustment: ** is \pinf{0.01} and * is \pinf{0.05}.
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][
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\item Push task ranking.
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\item Grasp task ranking.
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]
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\subfig[0.24]{results/Ranks-Push}
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\subfig[0.24]{results/Ranks-Grasp}
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\end{subfigs}
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\figref{results_ranks} shows the ranking of each visual hand rendering for the Push and Grasp tasks.
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%
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Friedman tests indicated that both ranking had statistically significant differences (\pinf{0.001}).
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%
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Pairwise Wilcoxon signed-rank tests with Holm-Bonferroni adjustment were then used on both ranking results (\secref{metrics}):
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\begin{itemize}
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\item \textit{Push Ranking}: Occlusion was ranked lower than Contour (\p{0.005}), Skeleton (\p{0.02}), and Mesh (\p{0.03});
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%
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Tips was ranked lower than Skeleton (\p{0.02}).
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This good ranking of the Skeleton rendering for the Push task is consistent with the Push trial results.
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\item \textit{Grasp Ranking}: Occlusion was ranked lower than Contour (\p{0.001}), Skeleton (\p{0.001}), and Mesh (\p{0.007});
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%
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No Hand was ranked lower than Skeleton (\p{0.04}).
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A complete visual hand rendering seemed to be preferred over no visual hand rendering when grasping.
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\end{itemize}
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