Abstract #1630
A phase constrained reconstruction method in compressed sensing
Guobin Li 1 , Maxim Zaitsev 1 , Esther Meyer 2 , Dominik Paul 2 , Jan Korvink 3,4 , and Jrgen Hennig 1
1
University Medical Center Freiburg,
Freiburg, Baden-Wrttemberg, Germany,
2
Siemens
Healthcare, Germany,
3
Department
of Microsystems Engineering IMTEK, University of
Freiburg, Baden-Wrttemberg, Germany,
4
Freiburg
Institute of Advanced Studies (FRIAS), University of
Freiburg, Baden-Wrttemberg, Germany
Half Fourier acquisition has widely been used for a long
time to shorten the measurement time in turbo spin echo
sequences.The combination of half Fourier acquisition
with compressed sensing has also been investigated. One
drawback of typical Homodyne and POCS based methods is
that they brutally replace the phase of the resulting
images by an estimate. We introduce a relaxed phase
constraint term in the regularized reconstruction, to
encourage the phase consistency between the result and
the estimation, instead of an overall phase replacement
in the compressed sensing reconstruction with half
Fourier acquisition.
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