Patent ID: 7418287
Filing Date: 2008-08-26
Classification: G01R

Abstract:
1. A magnetic resonance imaging method comprising: acquiring undersampled magnetic resonance signals for successive temporal time slots; deriving, for respective sampling positions in k-space, temporally averaged data from the undersampled magnetic resonance signals; reconstructing a baseline magnetic resonance image; subtracting for respective k-space sampling positions the temporally averaged data and the undersampled magnetic resonance signals to form undersampled difference magnetic resonance data; linearly transforming the undersampled difference magnetic resonance data into undersampled conjugate difference data for respective positions in the space spanned by geometrical space and temporal frequency; decomposing the undersampled difference magnetic resonance data into conjugate difference data which essentially pertain to individual spatial positions and temporal frequencies; and forming successive magnetic resonance images from the conjugate difference data and the temporally averaged data.