Abstract #4403
Multislice Acquisition With Incoherent Aliasing (MICA)
Kangrong Zhu 1 , Robert F. Dougherty 2 , John M. Pauly 1 , and Adam B. Kerr 1
1
Electrical Engineering, Stanford University,
Stanford, CA, United States,
2
CNI,
Stanford University, Stanford, CA, United States
In conventional simultaneous multislice (SMS)
acquisitions, such as CAIPIRINHA and blipped-CAIPI, the
simultaneously excited slices alias coherently, because
these SMS acquisition techniques repeatedly sample the
DFT encoding frequencies in the frequency spectrum of
the simultaneous slices. In this work, we describe a new
SMS acquisition approach called 'Multislice acquisition
with InCoherent Aliasing (MICA)', which uses irregular
encoding in order to create incoherent aliasing of the
simultaneously excited slices. We demonstrate the
feasibility of using MICA for SMS imaging through
simulation and in vivo experiments. Our preliminary
results show that the performance of MICA is comparable
to CAIPI.
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