A multiscale morphological approach to topology correction of cortical surfaces

Authors:
Kai Li;Allen D. Malony;Don M. Tucker
Affiliations:
University of Oregon, Eugene, OR;University of Oregon, Eugene, OR;Electrical Geodesics, Inc. Riverfront Research Part, Eugene, OR
Venue:
Miar'06 Proceedings of the Third international conference on Medical Imaging and Augmented Reality
Year:
2006

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Abstract

We present a topology correction method for automatic reconstruction of brain cortical surfaces. We take the volume-based approach by first correcting the topology of the white matter volumes followed by extracting the cortical surfaces. A multiscale method is taken so that topology errors are gradually corrected with respect to the correction cost. The special surface-likeness property of white matter and gray matter is considered in evaluating the cost of topology correction.