TACTUS: A Hardware and Software Testbed for Research in Multi-Touch Interaction

Authors:
Paul Varcholik;Joseph J. Laviola, Jr;Denise Nicholson
Affiliations:
Institute for Simulation & Training, University of Central Florida, Orlando,;Institute for Simulation & Training, University of Central Florida, Orlando,;Institute for Simulation & Training, University of Central Florida, Orlando,
Venue:
Proceedings of the 13th International Conference on Human-Computer Interaction. Part II: Novel Interaction Methods and Techniques
Year:
2009

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Abstract

This paper presents the TACTUS Multi-Touch Research Testbed, a hardware and software system for enabling research in multi-touch interaction. A detailed discussion is provided on hardware construction, pitfalls, design options, and software architecture to bridge the gaps in the existing literature and inform the researcher on the practical requirements of a multi-touch research testbed. This includes a comprehensive description of the vision-based image processing pipeline, developed for the TACTUS software library, which makes surface interactions available to multi-touch applications. Furthermore, the paper explores the higher-level functionality and utility of the TACTUS software library and how researchers can leverage the system to investigate multi-touch interaction techniques.