A fundamental challenge when mapping k-space trajectories that require unwrapping of phase proportional to position in k-space is the accrual of phase during gradient prewinders and phase encodes, which are not sampled. To overcome this challenge, we present a simple method using data readout concatenation and automated phase unwrapping reference point identification to robustly map a broad range of trajectories. This approach works for any k-space trajectory for which data readouts can be connected to provide a path crossing near the center of k-space from which 1D phase unwrapping can be performed.
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