US 12,392,852 B2
Systems and methods for magnetic resonance imaging
Wenhui Huang, Shanghai (CN)
Assigned to SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed by SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed on Jul. 8, 2022, as Appl. No. 17/811,575.
Claims priority of application No. 202110772482.2 (CN), filed on Jul. 8, 2021.
Prior Publication US 2023/0019828 A1, Jan. 19, 2023
Int. Cl. G06T 7/00 (2017.01); G01R 33/50 (2006.01); G06T 5/50 (2006.01); G06T 5/92 (2024.01)
CPC G01R 33/50 (2013.01) [G06T 5/50 (2013.01); G06T 5/92 (2024.01); G06T 7/0014 (2013.01); G06T 2207/10016 (2013.01); G06T 2207/10088 (2013.01); G06T 2207/30168 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for determining a sensitivity distribution of magnetic resonance (MR) receiving coils, implemented on a computing device having at least one processing device and at least one storage device, the method comprising:
obtaining a reference image of a region of interest (ROI) of a subject by performing a first scan on the ROI based on a first acquisition sequence, structures of at least two types of tissues of the ROI in the reference image being suppressed or weakened by setting one or more specific scanning parameters of the first acquisition sequence;
determining, based on the reference image, a preliminary radio frequency (RF) field map corresponding to the ROI;
obtaining a transmitting field map corresponding to the ROI by performing a second scan on the ROI based on a second acquisition sequence; and
determining, based on the preliminary RF field map and the transmitting map, a sensitivity distribution of MR receiving coils corresponding to the ROI.