Abstract #1055
Optimal Motion Encoding Scheme for MR Elastography
Temel Kaya Yasar 1 , Yifei Liu 2 , Dieter Klatt 3 , Richard L Magin 3 , and Thomas J Royston 3
1
Radiology, Icahn School of Medicine at Mount
Sinai, New York, New York, NY, United States,
2
Mechanical
Engineering Department, University of Illinois at
Chicago, Chicago, IL, United States,
3
Biomedical
Engineering Department, University of Illinois at
Chicago, Chicago, IL, United States
An optimal MR elastography motion encoding scheme
applicable to any MRE pulse sequence is introduced in
this study along with a new mathematical framework to
support this method. An MRE pulse sequence based on this
scheme would have at least 33% time efficiency compared
to a conventional MRE pulse sequence. This improvement
has clinical significance for increasing in the quality
of elastograms by reducing the motion artifacts and
image misregistration. The method was demonstrated on a
phantom and an excellent agreement was observed between
the proposed method and a conventional MRE method.
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