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Erwan Normand
2025-05-01 22:31:51 +02:00
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3-perception/vhar-textures/1-introduction.tex
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@@ -10,7 +10,7 @@ Databases of visuo-haptic textures have been developed in this way \cite{culbert
In this chapter, we consider simultaneous and \textbf{co-localized visual and wearable haptic texture augmentation of real surfaces} with an \OST-\AR headset and wearable vibrotactile feedback.
We investigate how these textures can be perceived in a coherent and realistic manner, and to what extent each sensory modality would contribute to the overall perception of the augmented texture.
We used nine pairs of \textbf{data-driven visuo-haptic textures} from the \HaTT database \cite{culbertson2014one}, which we rendered using the wearable visuo-haptic augmentation system presented in \chapref{vhar_system}. %, an \OST-\AR headset, and a wearable voice-coil device worn on the finger.
We used nine pairs of \textbf{data-driven visuo-haptic textures} from the \HaTT database \cite{culbertson2014one}, which we rendered using the wearable visuo-haptic augmentation system presented in \chapref{vhar_system}.
In a \textbf{user study}, 20 participants freely explored in direct touch the combination of the visuo-haptic texture pairs to rate their coherence, realism and perceived roughness.
We aimed to assess \textbf{which haptic textures were matched with which visual textures}, how the roughness of the visual and haptic textures was perceived, and whether \textbf{the perceived roughness} could explain the matches made between them.