Bearing-based selection in mobile spatial interaction

  • Authors:
  • Steven Strachan;Roderick Murray-Smith

  • Affiliations:
  • Hamilton Institute, NUI Maynooth, Maynooth, Ireland;Department of Computing Science, University of Glasgow, Glasgow, UK

  • Venue:
  • Personal and Ubiquitous Computing
  • Year:
  • 2009

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Abstract

We introduce a mobile spatial interactive application that uses a combination of a GPS, inertial sensing, gestural interaction, probabilistic models and Monte Carlo sampling, with vibration and audio feedback. This system allows the probing or querying of targets in a local area, based on a model of the local environment and specific context variables of interest, to enable a rich, embodied and location---aware spatial interaction. An experiment was conducted to investigate how spatial target selection at different distances, target separations and target widths is affected by a system with added `typical' noise characteristics. Results showed that the successful selection of targets in the virtual environment is maximised with a combination of high angular separation and angular width.