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Discrimination of tactile rendering on virtual surfaces

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Author

Summary, in English

An array of vibrating contactors on the fingertip can provide information about virtual objects during active exploration of a virtual environment – for example, information about contact area, edges, corners and surface texture. For the operation of such a device, it is necessary to generate in real time an individually specified drive waveform for each contactor of the stimulator array. To reduce the complexity of the problem, a system has been developed at Exeter in which each drive

signal is specified as a mixture of a small number of sinewaves.



The aim of this study is to investigate the discrimination of the virtual textures which can be produced in this way, with the aim of developing a library of textures for use in virtual reality applications. Textures produced by mixtures of sinewaves are differentiated in terms of the mean amplitude and the spatial distribution at each sinewave frequency. Experimental questions include

the number of categories (i.e., requency/amplitude/spatial combinations) that can be distinguished and the possible correspondence between virtual and real textures.

Publishing year

2006

Language

English

Pages

107-108

Document type

Conference paper

Topic

  • Human Computer Interaction

Keywords

  • Haptiska gränssnitt-Virtual Reality

Conference name

3rd International Conference on Enactive Interfaces

Conference date

2006-11-20 - 2006-11-21

Conference place

Montpellier, France

Status

Published

Research group

  • Audio-Haptic Interactive Design