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Chair for Computer Aided Medical Procedures & Augmented Reality
Lehrstuhl für Informatikanwendungen in der Medizin & Augmented Reality

D. Koller, G. Klinker, E. Rose, D. Breen, R. Whitaker, M. Tuceryan
Automated camera calibration and 3D egomotion estimation for augmented reality applications
Proc. 7th Int. Conf. on Computer Analysis of Images and Patterns (CAIP'97), 1997. (bib)

This paper addresses the problem of accurately tracking the 3D motion of a monocular camera in a known 3D environment and dynamically estimating the 3D camera location. For that purpose we propose a fully automated landmarkbased camera calibration method and initialize a motion estimator, which employes extended Kalman filter techniques to track landmarks and to estimate the camera location at any given time. The implementation of our approach has been proven to be efficient and robust and our system successfully tracks in real-time at approximately 10 Hz. We show tracking results of various augmented reality scenarios.
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