Deformable model for 3D intramodal nonrigid breast image registration with fiducial skin markers

Mehmet Z. Unlu; Andrzej Krol; Ioana L.. Coman; James A. Mandel; Karl G. Baum; Wei Lee; Edward D. Lipson; David H. Feiglin

doi:10.1117/12.595420

29 April 2005 Deformable model for 3D intramodal nonrigid breast image registration with fiducial skin markers

Mehmet Z. Unlu, Andrzej Krol, Ioana L.. Coman, James A. Mandel, Karl G. Baum, Wei Lee, Edward D. Lipson, David H. Feiglin

Author Affiliations +

Proceedings Volume 5747, Medical Imaging 2005: Image Processing; (2005) https://doi.org/10.1117/12.595420
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

We implemented a new approach to intramodal non-rigid 3D breast image registration. Our method uses fiducial skin markers (FSM) placed on the breast surface. After determining the displacements of FSM, finite element method (FEM) is used to distribute the markers’ displacements linearly over the entire breast volume using the analogy between the orthogonal components of the displacement field and a steady state heat transfer (SSHT). It is valid because the displacement field in x, y and z direction and a SSHT problem can both be modeled using LaPlace’s equation and the displacements are analogous to temperature differences in SSHT. It can be solved via standard heat conduction FEM software with arbitrary conductivity of surface elements significantly higher than that of volume elements. After determining the displacements of the mesh nodes over the entire breast volume, moving breast volume is registered to target breast volume using an image warping algorithm. Very good quality of the registration was obtained. Following similarity measurements were estimated: Normalized Mutual Information (NMI), Normalized Correlation Coefficient (NCC) and Sum of Absolute Valued Differences (SAVD). We also compared our method with rigid registration technique.

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Mehmet Z. Unlu, Andrzej Krol, Ioana L.. Coman, James A. Mandel, Karl G. Baum, Wei Lee, Edward D. Lipson, and David H. Feiglin "Deformable model for 3D intramodal nonrigid breast image registration with fiducial skin markers", Proc. SPIE 5747, Medical Imaging 2005: Image Processing, (29 April 2005); https://doi.org/10.1117/12.595420

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