Patent ID: 7245125
Filing Date: 2007-07-17
Classification: G01R

Abstract:
1. A method for minimizing streak artifacts in modular k-space scanning in magnetic resonance imaging, comprising the steps of: defining an odd integer k-space scanning module number Nφ=2n+1 that defines a number of incrementally rotated, repeated modules for scanning k-space; selecting, with a slice selection gradient, a slice in a volume of an object to be examined; acquiring data for all Nφ angle dependent k-space scanning modules in the selected slice so that each k-space scanning module has an azimuthal distance of Δφ/2=360 degrees/2Nφ from both projections adjacent thereto, by scanning each of said scanning modules in a vectorally unidirectional assigned scanning direction and alternating the vectorally unidirectional assigned scanning direction of adjacent k-space scanning modules; and reconstructing an image from the acquired data with streak artifacts minimized therein.