Precise image recovery for the rotating coil requires sensitivity estimation and iterative algorithm to remove motion artifact, but inaccurate sensitivity estimation can affect image reconstruction accuracy. Previously we developed a radial sampling scheme for the RRFC which avoids sensitivity mapping procedures by manipulating oversampled central k-space data. However, the overall reconstruction inaccuracy results from relatively sparse sampled outer k-space still remained. As a more robust and preferred imaging scheme in routine MRI scans, the Cartesian trajectory will be employed to develop an imaging scheme for the RRFC to overcome the abovementioned limitations and further reduce motion artifact.
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