Journal
IEEE TRANSACTIONS ON MEDICAL IMAGING
Volume 28, Issue 4, Pages 508-522Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMI.2008.2004426
Keywords
Cortical and subcortical alignment; elastic warp; magnetic resonance imaging (MRI); volumetric registration
Categories
Funding
- NCRR NIH HHS [P41 RR014075-098602, U24 RR021382-01, R01 RR16594-01A1, P41-RR14075, U24 RR021382, R01 RR016594, R01 RR016594-01A1, P41 RR014075] Funding Source: Medline
- NIA NIH HHS [R01 AG022381, R01 AG022381-01, R01 AG018386] Funding Source: Medline
- NIBIB NIH HHS [R01 EB006758, R01EB001550, R01EB006758, U54 EB005149, R01 EB006758-01A1, U54EB005149, U54 EB005149-05, R01 EB001550] Funding Source: Medline
- NINDS NIH HHS [R01 NS052585-01A1, R01 NS052585-01, R01 NS052585] Funding Source: Medline
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In this paper, we propose a novel method for the registration of volumetric images of the brain that optimizes the alignment of both cortical and subcortical structures. In order to achieve this, relevant geometrical information is extracted from a surface-based morph and diffused into the volume using the Navier operator of elasticity, resulting in a volumetric warp that aligns cortical folding patterns. This warp field is then refined with an intensity driven optical flow procedure that registers noncortical regions, while preserving the cortical alignment. The result is a combined surface and volume morph (CVS) that accurately registers both cortical and subcortical regions, establishing a single coordinate system suitable for the entire brain.
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