initialize_2D_rings

initialize_2D_rings#

mrinufft.trajectories.trajectory2D.initialize_2D_rings(Nc, Ns, nb_rings)[source]#

Initialize a 2D ring trajectory, as proposed in [HHN08].

Parameters:

  • Nc (int) – Number of shots

  • Ns (int) – Number of samples per shot

  • nb_rings (int) – Number of rings partitioning the k-space.

Returns:

2D ring trajectory

Return type:

array_like

References

[HHN08]

Wu, Hochong H., Jin Hyung Lee, and Dwight G. Nishimura. “MRI using a concentric rings trajectory.” Magnetic Resonance in Medicine 59, no. 1 (2008): 102-112.