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@ARTICLE{Chen:828436,
author = {Chen, Ying and Liao, Yupeng and Yuan, Lisha and Liu, Hui
and Yun, Seong Dae and Shah, Nadim Joni and Chen, Zhong and
Zhong, Jianhui},
title = {{R}eferenceless one-dimensional {N}yquist ghost correction
in multicoil single-shot spatiotemporally encoded {MRI}},
journal = {Magnetic resonance imaging},
volume = {37},
issn = {0730-725X},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2017-02397},
pages = {222 - 233},
year = {2017},
abstract = {Single-shot spatiotemporally encoded (SPEN) MRI is a novel
fast imaging method capable of retaining the time efficiency
of single-shot echo planar imaging (EPI) but with distortion
artifacts significantly reduced. Akin to EPI, the phase
inconsistencies between mismatched even and odd echoes also
result in the so-called Nyquist ghosts. However, the
characteristic of the SPEN signals provides the possibility
of obtaining ghost-free images directly from even and odd
echoes respectively, without acquiring additional reference
scans. In this paper, a theoretical analysis of the Nyquist
ghosts manifested in single-shot SPEN MRI is presented, a
one-dimensional correction scheme is put forward capable of
maintaining definition of image features without blurring
when the phase inconsistency along SPEN encoding direction
is negligible, and a technique is introduced for convenient
and robust correction of data from multi-channel receiver
coils. The effectiveness of the proposed processing pipeline
is validated by a series of experiments conducted on
simulation data, in vivo rats and healthy human brains. The
robustness of the method is further verified by implementing
distortion correction on ghost corrected data},
cin = {INM-4 / JARA-BRAIN},
ddc = {610},
cid = {I:(DE-Juel1)INM-4-20090406 / $I:(DE-82)080010_20140620$},
pnm = {573 - Neuroimaging (POF3-573)},
pid = {G:(DE-HGF)POF3-573},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000396382200031},
pubmed = {pmid:27916658},
doi = {10.1016/j.mri.2016.11.024},
url = {https://juser.fz-juelich.de/record/828436},
}