Probe Trajectory Interpolation for 3D Reconstruction of Freehand Ultrasound

Pierrick Coupé 1 Pierre Hellier 1 Xavier Morandi 1 Christian Barillot 1
1 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 : Three-dimensional (3D) Freehand ultrasound uses the acquisition of non parallel B-scans localized in 3D by a tracking system (optic, mechanical or magnetic). Using the positions of the irregularly spaced B-scans, a regular 3D lattice volume can be reconstructed, to which conventional 3D computer vision algorithms (registration and segmentation) can be applied. This paper presents a new 3D reconstruction method which explicitly accounts for the probe trajectory. Experiments were conducted on phantom and intra-operative datasets using various probe motion types and varied slice-to-slice B-scan distances. Results suggest that this technique improves on classical methods at the expense of computational time.
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Submitted on : Thursday, June 14, 2007 - 10:40:52 AM
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Pierrick Coupé, Pierre Hellier, Xavier Morandi, Christian Barillot. Probe Trajectory Interpolation for 3D Reconstruction of Freehand Ultrasound. Medical Image Analysis, Elsevier, 2007. ⟨inria-00154571⟩

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