Quantitative evaluation of three calibration methods for 3-D freehand ultrasound.: Quantitative Evaluation of Three Calibration Methods for 3D Freehand Ultrasound

François Rousseau 1 Pierre Hellier 2 Marloes Letteboer 3 Wiro Niessen 3 Christian Barillot 2
2 VisAGeS - Vision, Action et Gestion d'informations en Santé
INSERM - Institut National de la Santé et de la Recherche Médicale : U746, Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
Abstract : In this paper, three different calibration methods for three-dimensional (3-D) freehand ultrasound (US) are evaluated. Calibration is the process of estimating the rigid transformation from US image coordinates to the coordinate system of the tracking sensor mounted onto the probe. Calibration accuracy has an important impact on quantitative studies. Geometrical precision can also be crucial in many interventions and surgery. The proposed evaluation framework relies on a single point phantom and a 3-D US phantom which mimics the US characteristics of human liver. Four quality measures are used: 3-D point localization criterion, distance and volume measurements, and shape based criterion. Results show that during the acquisition procedure, volumetric measurements and shapes of the reconstructed object depend on probe motion used, particularly fan motions for which errors are larger. It is also shown that accurate calibration is essential to obtain reliable quantitative information.
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Submitted on : Tuesday, April 10, 2007 - 3:57:07 PM
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François Rousseau, Pierre Hellier, Marloes Letteboer, Wiro Niessen, Christian Barillot. Quantitative evaluation of three calibration methods for 3-D freehand ultrasound.: Quantitative Evaluation of Three Calibration Methods for 3D Freehand Ultrasound. IEEE Transactions on Medical Imaging, Institute of Electrical and Electronics Engineers, 2006, 25 (11), pp.1492-501. ⟨10.1109/TMI.2006.882134⟩. ⟨inserm-00140890⟩

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