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Tactile Rendering of 3D Features on Touch Surfaces

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Published on Oct 7, 2013

Link to project pages & press release: http://www.disneyresearch.com/project...

In this project, we develop and apply a 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. We propose that the perception of a 3D "bump" is created when local gradients of the virtual bump are mapped to lateral friction forces.

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