Title
Methods for tractography-driven surface registration of brain structures.
Abstract
Registration of brain structures should bring anatomically equivalent areas into correspondence which is usually done using information from structural MRI modalities. Correspondence can be improved by using other image modalities that provide complementary data. In this paper we propose and evaluate two novel surface registration algorithms which improve within-surface correspondence in brain structures. Both approaches use a white-matter tract similarity function (derived from probabilistic tractography) to match areas of similar connectivity patterns. The two methods differ in the way the deformation field is calculated and in how the multi-scale registration framework is implemented. We validated both algorithms using artificial and real image examples, in both cases showing high registration consistency and the ability to find differences in thalamic sub-structures between Alzheimer's disease and control subjects. The results suggest differences in thalamic connectivity predominantly in the medial dorsal parts of the left thalamus.
Year
DOI
Venue
2009
10.1007/978-3-642-04268-3_87
MICCAI
Keywords
Field
DocType
high registration consistency,thalamic sub-structures,within-surface correspondence,real image example,novel surface registration algorithm,thalamic connectivity,similar connectivity pattern,multi-scale registration framework,tractography-driven surface registration,brain structures,brain structure,image modality
Modalities,Computer vision,Left thalamus,Pattern recognition,Computer science,Dorsal parts,Artificial intelligence,Real image,Probabilistic logic,Tractography
Conference
Volume
Issue
ISSN
12
Pt 1
0302-9743
Citations 
PageRank 
References 
4
0.80
8
Authors
4
Name
Order
Citations
PageRank
Aleksandar Petrović140.80
Stephen M Smith29119670.46
Ricarda A Menke3775.50
Mark Jenkinson41879143.90