Augmented Reality Using Projective Invariant Patterns

Authors:
Lucas Teixeira;Manuel Loaiza;Alberto Raposo;Marcelo Gattass
Affiliations:
Tecgraf - Computer Science Department, Pontifical Catholic University of Rio de Janeiro, Brazil;Tecgraf - Computer Science Department, Pontifical Catholic University of Rio de Janeiro, Brazil;Tecgraf - Computer Science Department, Pontifical Catholic University of Rio de Janeiro, Brazil;Tecgraf - Computer Science Department, Pontifical Catholic University of Rio de Janeiro, Brazil
Venue:
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing
Year:
2008

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Abstract

This paper presents an algorithm for using projective invariant patterns in augmented reality applications. It is actually an adaptation of a previous algorithm for an optical tracking device, that works with infrared illumination and filtering. The present algorithm removes the necessity of working in a controlled environment, which would be inadequate for augmented reality applications. In order to compensate the excess of image noise caused by the absence of the infrared system, the proposed algorithm includes a fast binary decision tree in the process flow. We show that the algorithm achieves real time rates.