3D deformable image matching: a hierarchical approach over nested subspaces

Olivier Musse; Fabrice Heitz; Jean-Paul Armspach

doi:10.1117/12.387707

6 June 2000 3D deformable image matching: a hierarchical approach over nested subspaces

Olivier Musse, Fabrice Heitz, Jean-Paul Armspach

Proceedings Volume 3979, Medical Imaging 2000: Image Processing; (2000) https://doi.org/10.1117/12.387707
Event: Medical Imaging 2000, 2000, San Diego, CA, United States

Abstract

This paper presents a fast hierarchical method to perform dense deformable inter-subject matching of 3D MR Images of the brain. To recover the complex morphological variations in neuroanatomy, a hierarchy of 3D deformations fields is estimated, by minimizing a global energy function over a sequence of nested subspaces. The nested subspaces, generated from a single scaling function, consist of deformation fields constrained at different scales. The highly non linear energy function, describing the interactions between the target and the source images, is minimized using a coarse-to-fine continuation strategy over this hierarchy. The resulting deformable matching method shows low sensitivity to local minima and is able to track large non-linear deformations, with moderate computational load. The performances of the approach are assessed both on simulated 3D transformations and on a real data base of 3D brain MR Images from different individuals. The method has shown efficient in putting into correspondence the principle anatomical structures of the brain. An application to atlas-based MRI segmentation, by transporting a labeled segmentation map on patient data, is also presented.

Citation Download Citation

Olivier Musse, Fabrice Heitz, and Jean-Paul Armspach "3D deformable image matching: a hierarchical approach over nested subspaces", Proc. SPIE 3979, Medical Imaging 2000: Image Processing, (6 June 2000); https://doi.org/10.1117/12.387707

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KEYWORDS

3D image processing

Image segmentation

Image registration

3D modeling

Brain

Magnetic resonance imaging

3D acquisition

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