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Motion estimation of tagged cardiac magnetic resonance images using variational techniques

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dc.contributor.authorCarranza Herrezuelo, N.
dc.contributor.authorBajo, A.
dc.contributor.authorSroubek, F.
dc.contributor.authorCristobal, G.
dc.contributor.authorSantos, A.
dc.contributor.authorLedesma Carbayo, M. J.
dc.contributor.authorSanta Marta Pastrana, Cristina María
dc.date.accessioned2024-05-20T11:28:33Z
dc.date.available2024-05-20T11:28:33Z
dc.date.issued2010-09
dc.description.abstractThis work presents a new method for motion estimation of tagged cardiac magnetic resonance sequences based on variational techniques. The variational method has been improved by adding a new term in the optical flow equation that incorporates tracking points with high stability of phase. Results were obtained through simulated and real data, and were validated by manual tracking and with respect to a reference state-of-the-art method: harmonic phase imaging (HARP). The error, measured in pixels per frame, obtained with the proposed variational method is one order of magnitude smaller than the one achieved by the reference method, and it requires a lower computational cost.en
dc.description.versionversión final
dc.identifier.doi10.1016/J.COMPMEDIMAG.2010.03.002
dc.identifier.issn0895-6111
dc.identifier.urihttps://hdl.handle.net/20.500.14468/12066
dc.journal.issue6
dc.journal.titleComputerized Medical Imaging and Graphics
dc.journal.volume34
dc.language.isoen
dc.publisherElsevier
dc.relation.centerFacultad de Ciencias
dc.relation.departmentFísica Matemática y de Fluídos
dc.rightsAtribución-NoComercial-SinDerivadas 4.0 Internacional
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.subject.keywordsMedical imaging processing
dc.subject.keywordsMotion estimation
dc.subject.keywordsVariational techniques
dc.subject.keywordsTagged cardiac magnetic resonance images
dc.subject.keywordsOptical flow
dc.titleMotion estimation of tagged cardiac magnetic resonance images using variational techniqueses
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
relation.isAuthorOfPublication3d74eb47-9db3-41ef-83e7-f7bdb91dde8c
relation.isAuthorOfPublication.latestForDiscovery3d74eb47-9db3-41ef-83e7-f7bdb91dde8c
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