Abstract #2467
Accelerating MRI by quadratic phase encoding
Lin Chen 1 , Congbo Cai 2 , Shuhui Cai 1 , and Zhong Chen 1
1
Department of Electronic Science, Xiamen
University, Xiamen, Fujian, China,
2
Department
of Communication Engineering, Xiamen University, Xiamen,
Fujian, China
Reducing the number of measurements required by Nyquist
sampling theorem is one way to accelerate MRI
acquisition at the cost of introducing aliasing
artifacts. Various approaches have been proposed to
eliminate aliasing artifacts, such as parallel imaging
and non-Cartesian sampling. However, the higher hardware
requirement of parallel imaging and complicated
trajectory design and image reconstruction of
non-Cartesian sampling limit their wide applications. In
this abstract, we propose an MRI approach based on
quadratic phase encoding, which can accelerate
acquistion with efficient aliasing artifacts suppresion
using a single receiver coil and uniform sampling.
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