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High quality Real-Time Cardiac MRI using Self-Calibrating Radial GRAPPA with Sparsification

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons83898

Ehses,  P
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Breuer, F., Ehses, P., Seiberlich N, Blaimer M, Jakob, P., & Griswold, M. (2012). High quality Real-Time Cardiac MRI using Self-Calibrating Radial GRAPPA with Sparsification. Poster presented at 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012), Melbourne, Australia.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-B7A6-9
Abstract
In this work an improved self-calibrating radial GRAPPA algorithm for real-time cardiac MRI is presented. It is shown that by subtracting the temporal average prior to the parallel MRI reconstruction significantly improved image quality can be achieved over pure radial GRAPPA. Real-time cardiac imaging data at a frame rate of 20fps in 2mm in-plane resolution are shown using only 16 radial projections per frame.