Computerized Medical Imaging and Graphics
Volume 34, Issue 7 , Pages 543-552, October 2010

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

  • Dan Brüllmann

      Affiliations

    • University Medical Center of the Johannes Gutenberg University Mainz, Augustusplatz 2, 55131 Mainz, Germany
    • Corresponding Author InformationCorresponding author. Tel.: +49 6131 17 5090; fax: +49 6131 17 3434.
    • ,
  • Martin Seelge

      Affiliations

    • Johannes Gutenberg-University Mainz, Department of Computer Science, Staudingerweg 9, 55099 Mainz, Germany
    • Tel.: +49 6131 39 22454; fax: +49 6131 39 23534.
    • ,
  • Elmar Schömer

      Affiliations

    • Johannes Gutenberg-University Mainz, Department of Computer Science, Staudingerweg 9, 55099 Mainz, Germany
    • Tel.: +49 6131 39 24360; fax: +49 6131 39 23534.
    • ,
  • Ralf Schulze

      Affiliations

    • University Medical Center of the Johannes Gutenberg University Mainz, Augustusplatz 2, 55131 Mainz, Germany
    • Tel.: +49 6131 17 3744; fax: +49 6131 17 3434.
    • ,
  • Ulrich Schwanecke

      Affiliations

    • RheinMain University of Applied Sciences, Wiesbaden Rüsselsheim Geisenheim, Department of Design, Computer Science and Media, Unter den Eichen 5, 65195 Wiesbaden, Germany
    • Tel.: +49 611 9495 1254; fax: +49 611 9495 1240.

Received 5 August 2009; received in revised form 17 December 2009; accepted 23 March 2010. published online 26 April 2010.

Abstract 

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.

Keywords: Cone beam computed tomography, CBCT, Alignment, LEGO

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PII: S0895-6111(10)00040-6

doi:10.1016/j.compmedimag.2010.03.005

Computerized Medical Imaging and Graphics
Volume 34, Issue 7 , Pages 543-552, October 2010

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