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A 6DoF Fiducial Tracking Method based on Topological Region Adjacency and Angle Information for Tangible Interaction

Hiroki Nishino (NGS - NUS Graduate School for Integrative Sciences & Engineering)

Abstract

In this paper, we describe a new method for camera-based fiducial tracking. Our new method based on the combination of the topological region adjacency and the angle information, where as those related works by Johnstonís RAG target [7], Costanzaís D-Touch [3], or Kaltenbrunnerís reacTIVision [2] are based only on the uniqueness of the topological region adjacency structure. Such a combination of the topological region adjacency and angle information enables a wider unique ID range, while maintaining the merit of fast and robust fiducial tracking in a topology-based approach. Our method also made it possible to obtain the 6 degrees-of-freedoms (6DoF). Such problems as a narrow unique ID range and lack of 6DoF information have been the main deficits in most of the systems based on topological region adjacency approach, compared to other fiducial tracking methods.

Documents

http://tei-conf.org/10/uploads/Program/p253.pdf

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