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Simultaneous Manifold Learning and Clustering: Grouping White Matter Fiber Tracts Using a Volumetric White Matter Atlas
|Please use this identifier to cite or link to this publication: http://hdl.handle.net/10380/1504|
Published in The MIDAS Journal - Manifolds in Medical Imaging: Metrics, Learning and Beyond (MICCAI 2008 Workshop).
Submitted by Demian Wassermann on 09-12-2008.
We propose a new clustering algorithm. This algorithm performs clustering and manifold learning simultaneously by using a graph-theoretical approach to manifold learning. We apply this algorithm in order to cluster white matter ﬁber tracts obtained fromDiffusion TensorMRI (DT-MRI) through streamline tractography. Our algorithm is able perform clustering of these fiber tracts incorporating information about the shape of the ﬁber and a priori knowledge as the probability of the fiber belonging to known anatomical structures. This anatomical knowledge is incorporated as a volumetric white matter atlas, in this case LONI's ICBM DTI-81
|Categories:||Mathematics, Unsupervised learning and clustering|
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