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Comput Med Imaging Graph. 2010 Oct;34(7):543-52. doi: 10.1016/j.compmedimag.2010.03.005. Epub 2010 Apr 24.

Alignment of cone beam computed tomography data using intra-oral fiducial markers.

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University Medical Center of Johannes Gutenberg University Mainz, Augustusplatz 2, Mainz, Germany.


This article illustrates a new method to align and merge two partially overlapping volumes each of them generated by cone beam computed tomography (CBCT). The aggregate volume covers a larger area of investigation and is determined by localizing one fixed LEGO brick in both of the primal volumes. Based on the LEGO brick an approximate registration of the volumes is determined. Afterwards we improve the transformation by minimizing the difference in overlapping space. In this paper we present a method which automates these two steps and provides an aligned volume.

[Indexed for MEDLINE]

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