B1-MAPPING AND B1L-SHIMMING FOR MRI
First Claim
Patent Images
1. A method of acquiring MRI image data comprising the following steps:
- performing a 3-dimensional B1 mapping of a first volume using a first voxel size,selecting an MRI protocol,performing the B1-shim in accordance with the MRI protocol,performing the MRI protocol to acquire MRI imaging data of a second volume using a second voxel size,wherein the first voxel size is larger than the second voxel size, wherein the first volume is larger than the second volume, and wherein the second volume is contained within the first volume.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention relates to a method of acquiring MRI image data comprising the following steps: performing a 3-dimensional B1 mapping of a first volume using a first voxel size, selecting an MRI protocol, performing the B1-shim in accordance with the MRI protocol, performing the MRI protocol to acquire MRI imaging data of a second volume using a second voxel size, wherein the first voxel size is larger than the second voxel size, wherein the first volume is larger than the second volume, and wherein the second volume is contained within the first volume.
47 Citations
15 Claims
-
1. A method of acquiring MRI image data comprising the following steps:
-
performing a 3-dimensional B1 mapping of a first volume using a first voxel size, selecting an MRI protocol, performing the B1-shim in accordance with the MRI protocol, performing the MRI protocol to acquire MRI imaging data of a second volume using a second voxel size, wherein the first voxel size is larger than the second voxel size, wherein the first volume is larger than the second volume, and wherein the second volume is contained within the first volume. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. An apparatus for acquiring MRI images data comprising:
-
means for performing a 3-dimensional B1 mapping of a first volume using a first voxel size, means for selecting an MRI protocol, means for performing a B1-shim in accordance with said MRI protocol, means for performing the MRI protocol to acquire MRI imaging data of a second volume or slice using a second voxel size, wherein the first voxel size is smaller than the second voxel size, wherein the first volume or slice is contained within the first volume. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
-
Specification