Elastic alignedsense for dynamic mr reconstruction: A proof of concept in cardiac cine

Alejandro Godino-Moya; Rosa María Menchón-Lara; Marcos Martín-Fernández; Claudia Prieto; Carlos Alberola-López

doi:10.3390/e23050555

Elastic alignedsense for dynamic mr reconstruction: A proof of concept in cardiac cine

Alejandro Godino-Moya^*, Rosa María Menchón-Lara, Marcos Martín-Fernández, Claudia Prieto, Carlos Alberola-López

^*Corresponding author for this work

Biomedical Engineering Department

Research output: Contribution to journal › Article › peer-review

Abstract

Numerous methods in the extensive literature on magnetic resonance imaging (MRI) reconstruction exploit temporal redundancy to accelerate cardiac cine. Some of them include motion compensation, which involves high computational costs and long runtimes. In this work, we proposed a method—elastic alignedSENSE (EAS)—for the direct reconstruction of a motion-free image plus a set of nonrigid deformations to reconstruct a 2D cardiac sequence. The feasibility of the proposed approach was tested in 2D Cartesian and golden radial multi-coil breath-hold cardiac cine acquisitions. The proposed approach was compared against parallel imaging compressed sense (sPICS) and group-wise motion corrected compressed sense (GWCS) reconstructions. EAS provides better results on objective measures with considerable less runtime when an acceleration factor is higher than 10×. Subjective assessment of an expert, however, invited proposing the combination of EAS and GWCS as a preferable alternative to GWCS or EAS in isolation.

Original language	English
Article number	555
Journal	Entropy
Volume	23
Issue number	5
DOIs	https://doi.org/10.3390/e23050555
Publication status	Published - May 2021

Keywords

Elastic motion
Non-rigid registration

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title = "Elastic alignedsense for dynamic mr reconstruction: A proof of concept in cardiac cine",

abstract = "Numerous methods in the extensive literature on magnetic resonance imaging (MRI) reconstruction exploit temporal redundancy to accelerate cardiac cine. Some of them include motion compensation, which involves high computational costs and long runtimes. In this work, we proposed a method—elastic alignedSENSE (EAS)—for the direct reconstruction of a motion-free image plus a set of nonrigid deformations to reconstruct a 2D cardiac sequence. The feasibility of the proposed approach was tested in 2D Cartesian and golden radial multi-coil breath-hold cardiac cine acquisitions. The proposed approach was compared against parallel imaging compressed sense (sPICS) and group-wise motion corrected compressed sense (GWCS) reconstructions. EAS provides better results on objective measures with considerable less runtime when an acceleration factor is higher than 10×. Subjective assessment of an expert, however, invited proposing the combination of EAS and GWCS as a preferable alternative to GWCS or EAS in isolation.",

keywords = "Elastic motion, Non-rigid registration",

author = "Alejandro Godino-Moya and Mench{\'o}n-Lara, {Rosa Mar{\'i}a} and Marcos Mart{\'i}n-Fern{\'a}ndez and Claudia Prieto and Carlos Alberola-L{\'o}pez",

note = "Funding Information: This research was funded by Consejer?a de Educaci?n, Junta de Castilla y Le?n, and the European Social Fund. The authors acknowledge Ministerio de Ciencia e Innovaci?n for Research Grant TEC2017-82408-R. Funding Information: Funding: This research was funded by Consejer{\'i}a de Educaci{\'o}n, Junta de Castilla y Le{\'o}n, and the European Social Fund. The authors acknowledge Ministerio de Ciencia e Innovaci{\'o}n for Research Grant TEC2017-82408-R. Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",

year = "2021",

month = may,

doi = "10.3390/e23050555",

language = "English",

volume = "23",

journal = "Entropy",

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AU - Godino-Moya, Alejandro

AU - Menchón-Lara, Rosa María

AU - Martín-Fernández, Marcos

AU - Prieto, Claudia

AU - Alberola-López, Carlos

N1 - Funding Information: This research was funded by Consejer?a de Educaci?n, Junta de Castilla y Le?n, and the European Social Fund. The authors acknowledge Ministerio de Ciencia e Innovaci?n for Research Grant TEC2017-82408-R. Funding Information: Funding: This research was funded by Consejería de Educación, Junta de Castilla y León, and the European Social Fund. The authors acknowledge Ministerio de Ciencia e Innovación for Research Grant TEC2017-82408-R. Publisher Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/5

Y1 - 2021/5

N2 - Numerous methods in the extensive literature on magnetic resonance imaging (MRI) reconstruction exploit temporal redundancy to accelerate cardiac cine. Some of them include motion compensation, which involves high computational costs and long runtimes. In this work, we proposed a method—elastic alignedSENSE (EAS)—for the direct reconstruction of a motion-free image plus a set of nonrigid deformations to reconstruct a 2D cardiac sequence. The feasibility of the proposed approach was tested in 2D Cartesian and golden radial multi-coil breath-hold cardiac cine acquisitions. The proposed approach was compared against parallel imaging compressed sense (sPICS) and group-wise motion corrected compressed sense (GWCS) reconstructions. EAS provides better results on objective measures with considerable less runtime when an acceleration factor is higher than 10×. Subjective assessment of an expert, however, invited proposing the combination of EAS and GWCS as a preferable alternative to GWCS or EAS in isolation.

AB - Numerous methods in the extensive literature on magnetic resonance imaging (MRI) reconstruction exploit temporal redundancy to accelerate cardiac cine. Some of them include motion compensation, which involves high computational costs and long runtimes. In this work, we proposed a method—elastic alignedSENSE (EAS)—for the direct reconstruction of a motion-free image plus a set of nonrigid deformations to reconstruct a 2D cardiac sequence. The feasibility of the proposed approach was tested in 2D Cartesian and golden radial multi-coil breath-hold cardiac cine acquisitions. The proposed approach was compared against parallel imaging compressed sense (sPICS) and group-wise motion corrected compressed sense (GWCS) reconstructions. EAS provides better results on objective measures with considerable less runtime when an acceleration factor is higher than 10×. Subjective assessment of an expert, however, invited proposing the combination of EAS and GWCS as a preferable alternative to GWCS or EAS in isolation.

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Elastic alignedsense for dynamic mr reconstruction: A proof of concept in cardiac cine

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Keywords

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