Anatomical parameterization for volumetric meshing of the liver

Sergio Vera; Miguel A. González Ballester; Debora Gil

doi:10.1117/12.2043572

12 March 2014 Anatomical parameterization for volumetric meshing of the liver

Sergio Vera, Miguel A. González Ballester, Debora Gil

Proceedings Volume 9036, Medical Imaging 2014: Image-Guided Procedures, Robotic Interventions, and Modeling; 903605 (2014) https://doi.org/10.1117/12.2043572
Event: SPIE Medical Imaging, 2014, San Diego, California, United States

Abstract

A coordinate system describing the interior of organs is a powerful tool for a systematic localization of injured tissue. If the same coordinate values are assigned to specific anatomical landmarks, the coordinate system allows integration of data across different medical image modalities. Harmonic mappings have been used to produce parametric coordinate systems over the surface of anatomical shapes, given their flexibility to set values at specific locations through boundary conditions. However, most of the existing implementations in medical imaging restrict to either anatomical surfaces, or the depth coordinate with boundary conditions is given at sites of limited geometric diversity. In this paper we present a method for anatomical volumetric parameterization that extends current harmonic parameterizations to the interior anatomy using information provided by the volume medial surface. We have applied the methodology to define a common reference system for the liver shape and functional anatomy. This reference system sets a solid base for creating anatomical models of the patient's liver, and allows comparing livers from several patients in a common framework of reference.

Citation Download Citation

Sergio Vera, Miguel A. González Ballester, and Debora Gil "Anatomical parameterization for volumetric meshing of the liver", Proc. SPIE 9036, Medical Imaging 2014: Image-Guided Procedures, Robotic Interventions, and Modeling, 903605 (12 March 2014); https://doi.org/10.1117/12.2043572

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