Multi-resolution DT-MRI cardiac tractography

Authors:
Ferran Poveda;Debora Gil;Enric Martí-Godia
Affiliations:
Computer Science Department, Universitat Autònoma de Barcelona, Spain;Computer Science Department, Universitat Autònoma de Barcelona, Spain,Computer Vision Center, Universitat Autònoma de Barcelona, Spain;Computer Science Department, Universitat Autònoma de Barcelona, Spain
Venue:
STACOM'12 Proceedings of the third international conference on Statistical Atlases and Computational Models of the Heart: imaging and modelling challenges
Year:
2012

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Abstract

Even using objective measures from DT-MRI no consensus about myocardial architecture has been achieved so far. Streamlining provides good reconstructions at low level of detail, but falls short to give global abstract interpretations. In this paper, we present a multi-resolution methodology that is able to produce simplified representations of cardiac architecture. Our approach produces a reduced set of tracts that are representative of the main geometric features of myocardial anatomical structure. Experiments show that fiber geometry is preserved along reductions, which validates the simplified model for interpretation of cardiac architecture.