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226 IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE, VOL. 13, NO. 2, MARCH 2009 Cardiac Motion Recovery via Active Trajectory
 

Summary: 226 IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE, VOL. 13, NO. 2, MARCH 2009
Cardiac Motion Recovery via Active Trajectory
Field Models
Andrew D. Gilliam, Member, IEEE, Frederick H. Epstein, and Scott T. Acton, Senior Member, IEEE
Abstract--Cardiovascular researchers are constantly develop-
ing new and innovative medical imaging technologies, striving to
improve the understanding, diagnosis, and treatment of cardiovas-
cular dysfunction. Combining these sophisticated imaging methods
with advancements in image understanding via computational in-
telligence will continue to advance the frontier of cardiovascular
medicine. Recently, researchers have turned to a new class of tissue
motion imaging techniques, including displacement encoding with
stimulated echoes (DENSE) in cardiac magnetic resonance (cMR)
imaging, to directly quantify cardiac displacement and produce ac-
curate spatiotemporal measurements of myocardial strain, twist,
and torsion. The associated analysis of DENSE cMR and other
tissue motion imagery, however, represents a major bottleneck in
the study of intramyocardial mechanics. In the computational in-
telligence area of deformable models, this paper develops an au-
tomated motion recovery technique termed active trajectory field

  

Source: Acton, Scott - Department of Electrical and Computer Engineering, University of Virginia

 

Collections: Computer Technologies and Information Sciences