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Erwan Normand
2024-09-29 14:09:31 +02:00
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2-perception/vhar-textures/4-discussion.tex
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@@ -31,7 +31,7 @@ The rankings (\figref{results_matching_ranking}, right) confirmed that the parti
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These results made it possible to identify and name groups of textures in the form of clusters, and to construct confusion matrices between these clusters and between visual texture ranks with haptic clusters, showing that participants consistently identified and matched haptic and visual textures (\figref{results_clusters}).
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Interestingly, 30\% of the matching variance was captured with a second dimension, opposing the roughest textures (Metal Mesh, Sandpaper~100), and to a lesser extent the smoothest (Coffee Filter, Sandpaper~320), with all other textures.
30\% of the matching variance was also captured with a second dimension, opposing the roughest textures (Metal Mesh, Sandpaper~100), and to a lesser extent the smoothest (Coffee Filter, Sandpaper~320), with all other textures.
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One hypothesis is that this dimension could be the perceived stiffness of the textures, with Metal Mesh and smooth textures appearing stiffer than the other textures, whose granularity could have been perceived as bumps on the surface that could deform under finger pressure.
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