公开(公告)号：US10185016B2

公开(公告)日：2019-01-22

申请号：US15135839

申请日：2016-04-22

Applicant: GENERAL ELECTRIC COMPANY ,  THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY

Inventor： Peng Lai ,  Joseph Yitan Cheng

IPC: G01R33/48 ,  G01R33/563

Abstract: A method for phase-contrast imaging a fluid within a volume of an imaged subject is provided. The method includes acquiring a plurality of slabs, each slab imaging the fluid flowing within a portion of the volume; and volume merging the plurality of slabs to form an image of the volume. Each slab of the plurality is aligned with respect to the volume such that each slab of the plurality is continuously supplied with a plurality of magnetically unsaturated portions of the fluid during acquisition.

公开(公告)号：US20180360384A1

公开(公告)日：2018-12-20

申请号：US16112965

申请日：2018-08-27

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Peng Lai

IPC: A61B5/00 ,  A61B5/055 ,  G01R33/563 ,  G01R33/561 ,  G01R33/565

Abstract: A method of processing signals from an accelerated MRI scan of a dynamic event occurring in the body of a human patient. The patient is subjected to an MRI examination which includes the relevant portion of his body. Those voxels for which there is no substantially no change over the time of the scan are identified and subtracted from the overall scan signal.

公开(公告)号：US10420510B2

公开(公告)日：2019-09-24

申请号：US15135652

申请日：2016-04-22

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Peng Lai

IPC: A61B5/055 ,  A61B5/00 ,  A61B5/0402 ,  A61B5/08

Abstract: An MRI system for imaging a moving subject is provided. The MRI system includes a magnet assembly and an MRI controller. The magnet assembly is configured to acquire a k-space via scanning the subject. The acquired k-space includes a plurality of datum each having a motion error. The MRI controller is configured to receive the acquired k-space from the magnet assembly. The MRI controller is further configured to suppress the motion error of each datum by reconstructing the k-space via a soft gating threshold in a non-iterative manner.

公开(公告)号：US09274197B2

公开(公告)日：2016-03-01

申请号：US13691327

申请日：2012-11-30

Applicant: General Electric Company

Inventor： Kang Wang ,  Peng Lai ,  James Hartman Holmes ,  Frank R. Korosec

IPC: G01V3/00 ,  G01R33/561 ,  G01R33/48

CPC classification number: G01R33/561 ,  G01R33/4824

Abstract: A magnetic resonance imaging data sampling method includes randomly undersampling a first half of a k-space plane such that a plurality of points in the first half are sampled points and the remaining plurality of points in the first half are unsampled points. The method also includes determining, for each sampled point in the first half, a corresponding point in a second half of the k-space plane that corresponds to the point-wise complex conjugate location of the sampled point.

Abstract translation: 磁共振成像数据采样方法包括：随机地对k空间平面的前半部分进行欠采样，使得前半部分中的多个点为采样点，而前半部分中的其余多个点为非采样点。 该方法还包括对于前半部分的每个采样点确定对应于采样点的逐点复共轭位置的k空间平面的后半部分中的相应点。

公开(公告)号：US20140303480A1

公开(公告)日：2014-10-09

申请号：US14244856

申请日：2014-04-03

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Peng Lai

IPC: A61B5/00 ,  A61B5/055

CPC classification number: A61B5/7214 ,  A61B5/0044 ,  A61B5/055 ,  A61B5/742 ,  A61B5/7475 ,  A61B2576/023 ,  G01R33/5611 ,  G01R33/56325 ,  G01R33/56545

Abstract: A method of processing signals from an accelerated MRI scan of a dynamic event occurring in the body of a human patient. The patient is subjected to an MRI examination which includes the relevant portion of his body. Those voxels for which there is no substantially no change over the time of the scan are identified and subtracted from the overall scan signal.

Abstract translation: 一种处理来自人类患者体内发生的动态事件的加速MRI扫描的信号的方法。 患者进行MRI检查，其中包括他身体的相关部分。 识别扫描时间基本上没有变化的那些体素，并从总扫描信号中减去。

公开(公告)号：US20140152303A1

公开(公告)日：2014-06-05

申请号：US13691327

申请日：2012-11-30

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Kang Wang ,  Peng Lai ,  James Hartman Holmes ,  Frank R. Korosec

IPC: G01R33/48

CPC classification number: G01R33/561 ,  G01R33/4824

Abstract: A magnetic resonance imaging data sampling method includes randomly undersampling a first half of a k-space plane such that a plurality of points in the first half are sampled points and the remaining plurality of points in the first half are unsampled points. The method also includes determining, for each sampled point in the first half, a corresponding point in a second half of the k-space plane that corresponds to the point-wise complex conjugate location of the sampled point.

Abstract translation: 磁共振成像数据采样方法包括：随机地对k空间平面的前半部分进行欠采样，使得前半部分中的多个点为采样点，而前半部分中的其余多个点为非采样点。 该方法还包括对于前半部分的每个采样点确定对应于采样点的逐点复共轭位置的k空间平面的后半部分中的相应点。

公开(公告)号：US11363988B2

公开(公告)日：2022-06-21

申请号：US16112965

申请日：2018-08-27

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Peng Lai

IPC: A61B5/055 ,  G01R33/54 ,  A61B5/00 ,  G01R33/563 ,  G01R33/561 ,  G01R33/565

Abstract: A method of processing signals from an accelerated MRI scan of a dynamic event occurring in the body of a human patient. The patient is subjected to an MRI examination which includes the relevant portion of his body. Those voxels for which there is no substantially no change over the time of the scan are identified and subtracted from the overall scan signal.