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Erwan Normand
2025-04-09 15:30:53 +02:00
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3-perception/vhar-textures/3-results.tex
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@@ -74,7 +74,7 @@ Also, almost all the texture pairs in the visuo-haptic textures ranking results
However, no difference was found between the textures for each of the following groups: \{\level{Sandpaper~100}, \level{Cork}\}; \{\level{Cork}, \level{Brick~2}\}; and \{\level{Plastic Mesh~1}, \level{Velcro Hooks}, \level{Sandpaper~320}\}. However, no difference was found between the textures for each of the following groups: \{\level{Sandpaper~100}, \level{Cork}\}; \{\level{Cork}, \level{Brick~2}\}; and \{\level{Plastic Mesh~1}, \level{Velcro Hooks}, \level{Sandpaper~320}\}.
The consensus between the participants was also high \kendall{0.77} \ci{0.74}{0.79}. The consensus between the participants was also high \kendall{0.77} \ci{0.74}{0.79}.
Finally, the similarity of the three rankings of each participant was calculated (see \figref{results/rankings_texture}). Finally, the similarity of the three rankings of each participant was calculated (\figref{results/rankings_texture}).
The \textit{Visuo-Haptic Textures Ranking} was on average highly similar to the \textit{Haptic Textures Ranking} (\kendall{0.79} \ci{0.72}{0.86}) and moderately to the \textit{Visual Textures Ranking} (\kendall{0.48} \ci{0.39}{0.56}). The \textit{Visuo-Haptic Textures Ranking} was on average highly similar to the \textit{Haptic Textures Ranking} (\kendall{0.79} \ci{0.72}{0.86}) and moderately to the \textit{Visual Textures Ranking} (\kendall{0.48} \ci{0.39}{0.56}).
A Wilcoxon signed-rank test indicated that this difference was statistically significant (\wilcoxon{190}, \p{0.002}). A Wilcoxon signed-rank test indicated that this difference was statistically significant (\wilcoxon{190}, \p{0.002}).
These results indicate that the two haptic and visual modalities were integrated together, the resulting roughness ranking being between the two rankings of the modalities alone, but with haptics predominating. These results indicate that the two haptic and visual modalities were integrated together, the resulting roughness ranking being between the two rankings of the modalities alone, but with haptics predominating.