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Tactile Rendering of 3D Features on Touch Surfaces

Tactile rendering algorithm to simulate rich 3D geometric features (such as bumps, ridges, edges, protrusions, texture etc.) on touch screen surfaces. The underlying hypothesis is that when a finger slides on an object then minute surface variations are sensed by friction-sensitive mechanoreceptors in the skin. Thus, modulating the friction forces between the fingertip and the touch surface would create illusion of surface variations.

http://www.disneyresearch.com/project/3d-touch-surfaces/

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