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k-t FASTER: Acceleration of functional MRI data acquisition using low rank constraints.

Abstract:

PURPOSE:

In functional MRI (fMRI), faster sampling of data can provide richer temporal information and increase temporal degrees of freedom. However, acceleration is generally performed on a volume-by-volume basis, without consideration of the intrinsic spatio-temporal data structure. We present a novel method for accelerating fMRI data acquisition, k-t FASTER (FMRI Accelerated in Space-time via Truncation of Effective Rank), which exploits the low-rank structure of fMRI data.

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1002/mrm.25395

Authors


More by this author
Institution:
University of Oxford
Division:
MSD
Department:
Clinical Neurosciences
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MSD
Department:
Clinical Neurosciences
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MSD
Department:
Clinical Neurosciences
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MSD
Department:
Clinical Neurosciences
Role:
Author
More from this funder
Name:
Engineering and Physical Sciences Research Council
Publisher:
Wiley
Journal:
Magnetic Resonance in Medicine More from this journal
Volume:
74
Issue:
2
Pages:
353–364
Publication date:
2015-08-01
DOI:
EISSN:
1522-2594
ISSN:
0740-3194
Language:
English
Keywords:
Pubs id:
pubs:483454
UUID:
uuid:fcafd0f1-2499-4af2-a660-5cdd1a580cf6
Local pid:
pubs:483454
Source identifiers:
483454
Deposit date:
2014-09-11

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