公开(公告)号：US20180284211A1

公开(公告)日：2018-10-04

申请号：US15927218

申请日：2018-03-21

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Ke Li ,  Gaohong Wu ,  Eric Printz ,  Kenichi Kanda ,  Margaret Ann Wiza

IPC: G01R33/563 ,  G01R33/54 ,  G01R33/483 ,  A61B5/055

CPC classification number: G01R33/56341 ,  A61B5/055 ,  G01R33/4835 ,  G01R33/543

Abstract: Methods and systems for performing magnetic resonance diffusion weighted imaging of an object is provided. The method includes applying a plurality of diffusion gradients to a plurality of image slices of the object during a plurality of repetition times via an MRI system. A different diffusion gradient of the plurality is applied to each image slice during the same repetition time.

公开(公告)号：US20190369180A1

公开(公告)日：2019-12-05

申请号：US15995051

申请日：2018-05-31

Applicant: General Electric Company

Inventor： Shaorong Chang ,  Eric Printz ,  Ling Sun ,  Anja Kammeier ,  Charles Michelich ,  Zachary Slavens

IPC: G01R33/36 ,  G01R33/58 ,  G01R33/44 ,  G01R33/00

Abstract: Various methods and systems are provided for selecting coil elements of a plurality of coil elements of a radio frequency (RF) coil array for use in a magnetic resonance imaging (MRI) system. In one example, a method includes grouping the plurality of coil elements into receive elements groups (REGs) according to REGs information, generating channel sensitivity maps for the plurality of coil elements, generating REG sensitivity maps based on the REGs information and the channel sensitivity maps, labeling each REG as either selectable or not selectable based on the REG sensitivity maps, selecting one or more REGs from the selectable REGs based on the REG sensitivity maps and a region of interest (ROI), and scanning the ROI with the coil elements in the one or more selected REGs being activated and the coil elements not in any selected the other REGs being deactivated.

公开(公告)号：US10859645B2

公开(公告)日：2020-12-08

申请号：US15995051

申请日：2018-05-31

Applicant: General Electric Company

Inventor： Shaorong Chang ,  Eric Printz ,  Ling Sun ,  Anja Kammeier ,  Charles Michelich ,  Zachary Slavens

IPC: G01R33/36 ,  G01R33/58 ,  G01R33/00 ,  G01R33/44

Abstract: Various methods and systems are provided for selecting coil elements of a plurality of coil elements of a radio frequency (RF) coil array for use in a magnetic resonance imaging (MRI) system. In one example, a method includes grouping the plurality of coil elements into receive elements groups (REGs) according to REGs information, generating channel sensitivity maps for the plurality of coil elements, generating REG sensitivity maps based on the REGs information and the channel sensitivity maps, labeling each REG as either selectable or not selectable based on the REG sensitivity maps, selecting one or more REGs from the selectable REGs based on the REG sensitivity maps and a region of interest (ROI), and scanning the ROI with the coil elements in the one or more selected REGs being activated and the coil elements not in any selected the other REGs being deactivated.