公开(公告)号：US20210298628A1

公开(公告)日：2021-09-30

申请号：US17202180

申请日：2021-03-15

Applicant: GE Precision Healthcare LLC

Inventor： Liyuan Jin ,  Yaan Ge ,  Qilin Lu ,  Qingyu Dai ,  Kun Wang

IPC: A61B5/055 ,  G01R33/54 ,  G01R33/44

Abstract: Embodiments of the present invention provide a magnetic resonance scanning method and system and a computer-readable storage medium. The method comprises: when an imaging volume of an object is at a current position, performing a current imaging scan on the imaging volume based on a predicted overall BO field map at the current position.

公开(公告)号：US11540788B2

公开(公告)日：2023-01-03

申请号：US17074849

申请日：2020-10-20

Applicant: GE Precision Healthcare LLC

Inventor： Qingyu Dai ,  Qilin Lu ,  Yaan Ge ,  Kun Wang ,  Longqing Wang

IPC: G06K9/00 ,  A61B6/04 ,  G06N3/02 ,  A61B6/00 ,  G06T7/70 ,  G06T7/00

Abstract: Embodiments of the present invention provide a method for identifying a body position of a detection object in medical imaging, a medical imaging system, and a computer-readable storage medium. The method comprises: receiving an image group by a trained deep learning network, the image group comprising a plurality of pre-scan images in a plurality of directions obtained by pre-scanning a detection object; and outputting body position information of the detection object by the deep learning network.

公开(公告)号：US20230066519A1

公开(公告)日：2023-03-02

申请号：US17893970

申请日：2022-08-23

Applicant: GE Precision Healthcare LLC

Inventor： Yaan Ge ,  Liyuan Jin ,  Qingyu Dai ,  Kun Wang ,  Qilin Lu

IPC: G01R33/54 ,  A61B5/055 ,  A61B5/00

Abstract: Embodiments of the present application provide a magnetic resonance system and a shimming method and an imaging method thereof. The shimming method comprises: performing a scout scan on a subject to be examined, and obtaining phase data of a plurality of slice positions; determining three-dimensional space static magnetic field information according to the phase data of the plurality of slice positions; and determining a shimming value of a slice in a region of interest according to the three-dimensional space static magnetic field information.

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：US20210128084A1

公开(公告)日：2021-05-06

申请号：US17074849

申请日：2020-10-20

Applicant: GE Precision Healthcare LLC

Inventor： Qingyu Dai ,  Qilin Lu ,  Yaan Ge ,  Kun Wang ,  Longqing Wang

IPC: A61B6/04 ,  A61B6/00 ,  G06N3/02

Abstract: Embodiments of the present invention provide a method for identifying a body position of a detection object in medical imaging, a medical imaging system, and a computer-readable storage medium. The method comprises: receiving an image group by a trained deep learning network, the image group comprising a plurality of pre-scan images in a plurality of directions obtained by pre-scanning a detection object; and outputting body position information of the detection object by the deep learning network.

公开(公告)号：US11965945B2

公开(公告)日：2024-04-23

申请号：US17893970

申请日：2022-08-23

Applicant: GE Precision Healthcare LLC

Inventor： Yaan Ge ,  Liyuan Jin ,  Qingyu Dai ,  Kun Wang ,  Qilin Lu

IPC: G01V3/00 ,  A61B5/00 ,  A61B5/055 ,  G01R33/54

CPC classification number: G01R33/543 ,  A61B5/0037 ,  A61B5/055 ,  A61B5/7264

Abstract: Embodiments of the present application provide a magnetic resonance system and a shimming method and an imaging method thereof. The shimming method comprises: performing a scout scan on a subject to be examined, and obtaining phase data of a plurality of slice positions; determining three-dimensional space static magnetic field information according to the phase data of the plurality of slice positions; and determining a shimming value of a slice in a region of interest according to the three-dimensional space static magnetic field information.

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.