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Proceedings Paper

A method for the calibration of 3D ultrasound transducers
Author(s): Mark Hastenteufel; Sibylle Mottl-Link; Ivo Wolf; Raffaele de Simone; Hans-Peter Meinzer
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Paper Abstract

Background: Three-dimensional (3D) ultrasound has a great potential in medical diagnostics. However, there are also some limitations of 3D ultrasound, e.g., in some situations morphology cannot be imaged accurately due to acoustical shadows. Acquiring 3D datasets from multiple positions can overcome some of these limitations. Prior to that a calibration of the ultrasound probe is necessary. Most calibration methods descibed rely on two-dimensional data. We describe a calibration method that uses 3D data. Methods: We have developed a 3D calibration method based on single-point cross-wire calibration using registration techniques for automatic detection of cross centers. For the calibration a cross consisting of three orthogonal wires is imaged. A model-to-image registration method is used to determine the cross center. Results: Due to the use of 3D data less acquisitions and no special protocols are necessary. The influence of noise is reduced. By means of the registration method the time-consuming steps of image plane alignment and manual cross center determination becomes dispensable. Conclusion: A 3D calibration method for ultrasound transducers is described. The calibration method is the base to extend state-of-the-art 3D ultrasound devices, i.e., to acquire multiple 3D, either morphological or functional (Doppler), datasets.

Paper Details

Date Published: 30 May 2003
PDF: 8 pages
Proc. SPIE 5029, Medical Imaging 2003: Visualization, Image-Guided Procedures, and Display, (30 May 2003); doi: 10.1117/12.479764
Show Author Affiliations
Mark Hastenteufel, Deutsches Krebsforschungszentrum (Germany)
Sibylle Mottl-Link, Ruprecht-Karls-Univ. Heidelberg (Germany)
Ivo Wolf, Deutsches Krebsforschungszentrum (Germany)
Raffaele de Simone, Ruprecht-Karls-Univ. Heidelberg (Germany)
Hans-Peter Meinzer, Deutsches Krebsforschungszentrum (Germany)

Published in SPIE Proceedings Vol. 5029:
Medical Imaging 2003: Visualization, Image-Guided Procedures, and Display
Robert L. Galloway, Editor(s)

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