Toucheo: multitouch and stereo combined in a seamless workspace

  • Authors:
  • Martin Hachet;Benoit Bossavit;Aurélie Cohé;Jean-Baptiste de la Rivière

  • Affiliations:
  • INRIA Bordeaux, Talence, France;INRIA Bordeaux, Talence, France;INRIA Bordeaux, Talence, France;Immersion SAS, Bordeaux, France

  • Venue:
  • Proceedings of the 24th annual ACM symposium on User interface software and technology
  • Year:
  • 2011

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Abstract

We propose a new system that efficiently combines direct multitouch interaction with co-located 3D stereoscopic visualization. In our approach, users benefit from well-known 2D metaphors and widgets displayed on a monoscopic touchscreen, while visualizing occlusion-free 3D objects floating above the surface at an optically correct distance. Technically, a horizontal semi-transparent mirror is used to reflect 3D images produced by a stereoscopic screen, while the user's hand as well as a multitouch screen located below this mirror remain visible. By registering the 3D virtual space and the physical space, we produce a rich and unified workspace where users benefit simultaneously from the advantages of both direct and indirect interaction, and from 2D and 3D visualizations. A pilot usability study shows that this combination of technology provides a good user experience.