Patent ID: 7719270
Filing Date: 2010-05-18
Classification: G01R

Abstract:
1. A method for spiral-shaped k-space sampling in magnetic resonance tomography, comprising the steps of: in a computer, producing a k-space matrix to be filled with raw magnetic resonance data; undersampling said k-space matrix by entering said raw magnetic resonance data into said k-space matrix by spiral-shaped k-space sampling according to a spiral trajectory comprising a first spiral, and with no entry of additional raw magnetic resonance data into said k-space matrix, generating a second spiral, by point mirroring of the raw magnetic resonance data previously entered into said k-space matrix at a center of the k-space matrix, said second spiral forming a complete data set of said k-space matrix together with said first spiral; and executing said sampling at said center of said k-space matrix with a density selected from the group consisting of full density and excessive density.