KIP publications

year 2000
author(s) T. Maucher, J. Schemmel, K. Meier
title The Heidelberg Tactile Vision Substitution System
KIP-Nummer HD-KIP 00-21
KIP-Gruppe(n) F9
document type Paper
source In Proc. of the 7th International Conference on Computer Helping People with Special Needs (ICCHP 2000), July 17-21, 2000, Karlsruhe, Germany
Abstract (en)

We have built and operated a tactile vision substitution system based on 48 piezoelectric actuators assembled in a movable tactile output unit. The unit can be positioned at any location on a two dimensional surface to explore the line structure of a virtual image. This virtual tactile display (VTD) receives data either from camera systems equipped with suitable image processing capabilities or from a computer. The device has been tested with 6 blind and 4 sighted subjects.

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