Modules:GyriContourSegmentation-Documentation-3.5

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Gyri Contour Segmentation

MyModule

Surface Normal Curvature

Initial Points From User

Converged Contour on Surface

General Information

Module Type & Category

Type: CLI

Category: Segmentation

Authors, Collaborators & Contact

• Peter Karasev (Author): Georgia Tech
• Allen Tannenbaum (Collaborator): Georgia Tech
• Ron Kikinis (Collaborator): Harvard Medical School SPL
• Jimi Macolm (Collaborator): Harvard Medical School SPL / Georgia Tech
• Contact: Peter Karasev, pkarasev@gatech.edu

Module Description

This module is a tool to generate closed contours on a surface in 3D. The contour is initialized with a set of points, and subsequently 'evolves' according to some geometric criterion of the underlying surface (e.g. Surface Normal, mean curvature, second fundamental form, etc) and the embedded curve (e.g. geodesic & normal curvatures, etc ).

The implementation uses a version of Sparse Field Level Sets (Whitaker et al 1998) modified for a mesh where there is an arbitrary number of vertex neighbors.

While the motivating problem is segmentation of Sulci & Gyri on the cortical surface, the technique is also applicable to analysis of other anatomic structures (e.g. bones and fractures thereof).

Usage

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Development

Dependencies

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Source code & documentation

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More Information

Acknowledgment

This work was supported in part by grants from NSF, AFOSR, ARO, as well as by a grant from NIH (NAC P41 RR-13218) through Brigham and Women’s Hospital. An NSF Fellowship supported part of the work.

References

P.A. Karasev, J.G. Malcolm, M. Niethammer, R. Kikinis, A. Tannenbaum. User-Driven 3D Mesh Region Targeting. To appear in SPIE Medical Imaging 2010.