Tactile Brush: Drawing on Skin with Tactile Grid Display


Ali Israr (Disney Research Pittsburgh)
Ivan Poupyrev (Disney Research Pittsburgh)

ACM Conference on Human Factors in Computing Systems (CHI) 2011

May 9, 2011

Tactile Brush- Drawing on Skin with a Tactile Grid Display-Image

Tactile Brush is an algorithm that produces smooth, two-dimensional tactile moving strokes with varying frequency, intensity, velocity and direction of motion. The design of the algorithm is derived from the results of psychophysical investigations of two tactile illusions – apparent tactile motion and phantom sensations. Combined together they allow for the design of high-density two-dimensional tactile displays using sparse vibrotactile arrays. In a series of experiments and evaluations, we demonstrate that Tactile Brush is robust and can reliably generate a wide variety of moving tactile sensations for a broad range of applications.

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