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A Novel Approach for Pseudo-Haptic Textures Based on Curvature Information

Ferran Argelaguet Sanz 1 David Antonio Gómez Jáuregui 1 Maud Marchal 1 Anatole Lécuyer 1 
1 VR4I - Virtual Reality for Improved Innovative Immersive Interaction
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, ENS Cachan - École normale supérieure - Cachan, Inria Rennes – Bretagne Atlantique
Abstract : Pseudo-haptic textures allow to optically-induce relief in textures without a haptic device by adjusting the speed of the mouse pointer according to the depth information encoded in the texture. In this work, we present a novel approach for using curvature information instead of relying on depth information. The curvature of the texture is encoded in a normal map which allows the computation of the curvature and local changes of orientation, according to the mouse position and direction. A user evaluation was conducted to compare the optically-induced haptic feedback of the curvature-based approach versus the original depth-based approach based on depth maps. Results showed that users, in addition to being able to efficiently recognize simulated bumps and holes with the curvature-based approach, were also able to discriminate shapes with lower frequency and amplitude.
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Conference papers
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Submitted on : Wednesday, October 31, 2012 - 3:33:51 PM
Last modification on : Friday, February 4, 2022 - 3:25:18 AM

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Ferran Argelaguet Sanz, David Antonio Gómez Jáuregui, Maud Marchal, Anatole Lécuyer. A Novel Approach for Pseudo-Haptic Textures Based on Curvature Information. EuroHaptics 2012, Jun 2012, Tampere, Finland. ⟨10.1007/978-3-642-31401-8_1⟩. ⟨hal-00747571⟩



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