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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Argelaguet, F., Gómez Jáuregui, D.A., Marchal, M., Lécuyer, A. (2012). A Novel Approach for Pseudo-haptic Textures Based on Curvature Information. In: Isokoski, P., Springare, J. (eds) Haptics: Perception, Devices, Mobility, and Communication. EuroHaptics 2012. Lecture Notes in Computer Science, vol 7282. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31401-8_1
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DOI: https://doi.org/10.1007/978-3-642-31401-8_1
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