ICIP 2006, Atlanta, GA
 

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Paper Detail

Paper:WP-L2.4
Session:Magnetic Resonance Imaging
Time:Wednesday, October 11, 15:20 - 15:40
Presentation: Lecture
Topic: Biomedical Imaging: Magnetic resonance imaging
Title: A METHOD FOR LARGE VESSELS/BRAIN ACTIVITY COLOCALIZATION
Authors: C├ędric Aguerre; Laboratory for Molecular and Functional Imaging 
 Pascal Desbarats; LaBRI 
 Baudouin Denis de Senneville; Laboratory for Molecular and Functional Imaging 
 Gwenael Herigault; Philips Medical Systems 
 Bixente Dilharreguy; Laboratory for Molecular and Functional Imaging 
 Chrit Moonen; Laboratory for Molecular and Functional Imaging 
Abstract: FMRI is a technique using BOLD contrast to identify areas of cerebral activity. Large vessels contribution to this signal induces a delay in the measured response. It is therefore imperative to precisely colocalize brain activity and large veins. MR venography is an acquisition procedure using phase variations to reinforce cerebral vasculature on anatomical data. In this article, we present a method to register brain large veins and activation map in order to achieve an accurate interpretation of measured activity.