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Topology preserving automatic segmentation of the spinal cord in magnetic resonance images

By: Reich, D.S.; Bazin, P.-L.; Cuzzocreo, J.; Carass, A.; Min Chen; Prince, J.L.;

2011 / IEEE / 978-1-4244-4127-3

Description

This item was taken from the IEEE Conference ' Topology preserving automatic segmentation of the spinal cord in magnetic resonance images ' Magnetic resonance images of the spinal cord play an important role in studying neurological diseases, particularly multiple sclerosis, where spinal cord atrophy can provide a measure of disease progression and disability. Current practices involve segmenting the spinal cord manually, which can be an inconsistent and time-consuming process. We present an automatic segmentation method for the spinal cord using a novel combination of deformable atlas based registration and topology preserving classification to address the challenges inherent to MR images of the spinal cord. Using real MR data, our method is shown to be highly accurate when compared to segmentations by manual raters. In addition, our results always maintain the correct topology of the spinal cord, therefore providing segmentations more consistent with the known anatomy.