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Upsampling of Cardiac MR Images: Comparison of Averaging and Super-Resolution for the Combination of Multiple Views

Rahman, Sami ur ; Wesarg, Stefan (2010)
Upsampling of Cardiac MR Images: Comparison of Averaging and Super-Resolution for the Combination of Multiple Views.
ITAB 2010.
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

In cardiac imaging quantitative analysis heavily depends on the quality of the available image data. Cardiac MRI provides highly anisotropic voxel data. By combining multiple orthogonal data sets, isotropic volume data can be reconstructed. In this paper we investigate the increase in image quality by the use of a super-resolution reconstruction (SRR) algorithm. In particular, we compare a simple averaging with an SRR for combining two and three orthogonal views, respectively. We show that SRR outperforms averaging in case of the combination of two views, but that in case of three views SRR has no additional benefit compared to averaging. We conclude that for cardiac images where motion of the organ plays an important role the prior alignment of the image data sets is a limiting factor for successfully applying an SRR.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2010
Autor(en): Rahman, Sami ur ; Wesarg, Stefan
Art des Eintrags: Bibliographie
Titel: Upsampling of Cardiac MR Images: Comparison of Averaging and Super-Resolution for the Combination of Multiple Views
Sprache: Englisch
Publikationsjahr: 2010
Verlag: IEEE, Inc., New York
Veranstaltungstitel: ITAB 2010
Kurzbeschreibung (Abstract):

In cardiac imaging quantitative analysis heavily depends on the quality of the available image data. Cardiac MRI provides highly anisotropic voxel data. By combining multiple orthogonal data sets, isotropic volume data can be reconstructed. In this paper we investigate the increase in image quality by the use of a super-resolution reconstruction (SRR) algorithm. In particular, we compare a simple averaging with an SRR for combining two and three orthogonal views, respectively. We show that SRR outperforms averaging in case of the combination of two views, but that in case of three views SRR has no additional benefit compared to averaging. We conclude that for cardiac images where motion of the organ plays an important role the prior alignment of the image data sets is a limiting factor for successfully applying an SRR.

Freie Schlagworte: Forschungsgruppe Medical Computing (MECO), Super resolution, Magnetic resonance imaging (MRI), Cardiology, Image enhancement
Fachbereich(e)/-gebiet(e): 20 Fachbereich Informatik
20 Fachbereich Informatik > Graphisch-Interaktive Systeme
Hinterlegungsdatum: 12 Nov 2018 11:16
Letzte Änderung: 12 Nov 2018 11:16
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