Adaptive-Kernel Reconstruction of Variable-Density Trajectories
Walsh E, Ress D
An adaptive kernel gridding method is presented for use with non-uniform density spiral and rosette k-space trajectories. Simulations were performed for one-shot acquisitions of 20ms or less duration. Results demonstrate maintenance of the point spread function compared to uniform density spiral acquisitions of the same spatial resolution and field of view. Gradient parameters used in the simulation were compatible with current high-performance body gradient sets.