公开(公告)号：US20220317222A1

公开(公告)日：2022-10-06

申请号：US17656325

申请日：2022-03-24

Applicant: GE PRECISION HEALTHCARE LLC

Inventor： Qilin Lu ,  Xihui Ju ,  Tao Wang ,  Kun Wang

IPC: G01R33/565 ,  G01R33/56 ,  G01R33/58 ,  G01R33/54

Abstract: Provided in embodiments of the present invention are a magnetic resonance imaging system and a main magnetic field correction method therefor, and a storage medium. Specifically, provided are a magnetic resonance imaging system, a main magnetic field correction method for the magnetic resonance imaging system, and a computer-readable storage medium. The method includes: obtaining an estimated image of a phantom based on a first imaging sequence, the first imaging sequence having a variable resonant frequency; pre-correcting a main magnetic field based on the estimated image; obtaining a scanned image of the phantom based on the pre-corrected main magnetic field; and determining whether the quality of the scanned image is within an acceptable range, and if not, returning to the step of obtaining the estimated image.

公开(公告)号：US11698432B2

公开(公告)日：2023-07-11

申请号：US17656325

申请日：2022-03-24

Applicant: GE PRECISION HEALTHCARE LLC

Inventor： Qilin Lu ,  Xihui Ju ,  Tao Wang ,  Kun Wang

IPC: G01R33/565 ,  G01R33/54 ,  G01R33/58 ,  G01R33/56

CPC classification number: G01R33/56563 ,  G01R33/543 ,  G01R33/5608 ,  G01R33/583

Abstract: A main magnetic field correction method for a magnetic resonance imaging system includes: obtaining an estimated image of a phantom based on a first imaging sequence, the first imaging sequence having a variable resonant frequency; pre-correcting a main magnetic field based on the estimated image; obtaining a scanned image of the phantom based on the pre-corrected main magnetic field; and determining whether the quality of the scanned image is within an acceptable range, and if not, returning to the step of obtaining the estimated image.

公开(公告)号：US20220378383A1

公开(公告)日：2022-12-01

申请号：US17828545

申请日：2022-05-31

Applicant: GE Precision Healthcare LLC

Inventor： Fuqiang Chen ,  Xihui Ju ,  Hankun Xue

IPC: A61B6/03 ,  G06T7/00 ,  G16H30/40

Abstract: Provided in the present application are a target area determination method and a medical imaging system, specifically a target area determination method and device, a medical imaging system, and a non-transitory computer-readable storage medium. The target area determination method includes: pre-processing an original image to acquire a pre-processed medical image, acquiring a target point in the medical image, and acquiring a plurality of sectional images of the medical image according to the target point, and acquiring, on the basis of a first model, a target area corresponding to the target point in the plurality of sectional images.