A fiducial-based tangible user interface for white matter tractography

  • Authors:
  • Steven R. Gomez;Radu Jianu;David H. Laidlaw

  • Affiliations:
  • Department of Computer Science, Brown University;Department of Computer Science, Brown University;Department of Computer Science, Brown University

  • Venue:
  • ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part II
  • Year:
  • 2010

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Abstract

We present a method for interacting with 3D brain tract visualizations using a webcam and a fiducial marker that can be constructed cheaply in any home or office. Our contributions are a fiducialbased tracking architecture in the context of white matter tractography, and a preliminary evaluation with domain scientists providing usability and design insights. Expert feedback indicates that model positioning in our system is easier than in previous methods using traditional input devices or two-dimensional input interfaces, and that tract selection may be faster to execute using our tool, given training and practice.