Efficient Non-Cartesian SPIRiT Without Explicit Consecutive Regridding and Gridding

Keywords

according achieved added addition additionally adjoint another appearing approaches approximate arbitrary array artificial back benefit besides biomedical bottom calculating calibrating calibration channel channels coil coils college combined combining completion complexity compression computational computer conjugate consecutive consistency constant containing convex costs decomposition defined defining denoted denotes depending depends depict depicted diagonal direct discrete domain efficient efficiently eigenvalue encoding engineering equality error explicit extracting forward fully gradient highly identity illustrations imaginary implement include incorporating independent instead interpolation iteration kernel king like maintaining maps masked matrix minimization modified multiplication noise ones onto operation operations operator operators optimized padding parallel part personal pixel position problem projected projection proposed radial radials rank real reconstructed reconstruction reduce reduced reduces reducing reduction respectively samples sampling saving savings scalar schemes sciences sensitivity sets simplified simulated solve solvers space spiral spirals spirit stacked stacking step steps successive term trajectories trajectory transform transformed type uniform unitary unnormalized vector virtual white yielding