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MRI temporal acceleration techniques
Author(s) -
Tsao Jeffrey,
Kozerke Sebastian
Publication year - 2012
Publication title -
journal of magnetic resonance imaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.563
H-Index - 160
eISSN - 1522-2586
pISSN - 1053-1807
DOI - 10.1002/jmri.23640
Subject(s) - temporal resolution , computer science , keyhole , magnetic resonance imaging , redundancy (engineering) , acceleration , real time mri , dynamic imaging , artificial intelligence , radiology , image processing , medicine , materials science , physics , image (mathematics) , classical mechanics , quantum mechanics , welding , digital image processing , metallurgy , operating system
In recent years, there has been an explosive growth of magnetic resonance imaging (MRI) techniques that allow faster scan speed by exploiting temporal or spatiotemporal redundancy of the images. These techniques improve the performance of dynamic imaging significantly across multiple clinical applications, including cardiac functional examinations, perfusion imaging, blood flow assessment, contrast‐enhanced angiography, functional MRI, and interventional imaging, among others. The scan acceleration permits higher spatial resolution, increased temporal resolution, shorter scan duration, or a combination of these benefits. Along with the exciting developments is a dizzying proliferation of acronyms and variations of the techniques. The present review attempts to summarize this rapidly growing topic and presents conceptual frameworks to understand these techniques in terms of their underlying mechanics and connections. Techniques from view sharing, keyhole, k‐t , to compressed sensing are covered. J. Magn. Reson. Imaging 2012;36:543–560. © 2012 Wiley Periodicals, Inc.