Motional phase artifacts in Fourier transform MRI.
Most magnetic resonance imaging (MRI) techniques are subject to a "motional blurring" arising from the acquisition of data in the presence of a frequency-encoding gradient. The Fourier transform of the signal from a spin moving along a magnetic field gradient obeys an equation analogous to the free space Schrödinger equation. Computer simulations of the Bloch equations illustrate the implications of this motional blurring in MRI.
Wedeen
V J
VJ
Whitaker College, Massachusetts Institute of Technology, Cambridge 02138.
Wendt
R E
RE
Jerosch-Herold
M
M
D003198:Computer Simulation; D005583:Fourier Analysis; D008279:Magnetic Resonance Imaging; D008962:Models, Theoretical; D009038:Motion