Invention Grant
- Patent Title: Artefact reduction in magnetic resonance imaging
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Application No.: US17078788Application Date: 2020-10-23
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Publication No.: US11714151B2Publication Date: 2023-08-01
- Inventor: Carole Lazarus , Rafael O'Halloran , Hadrien A. Dyvorne
- Applicant: Hyperfine Operations, Inc.
- Applicant Address: US CT Guilford
- Assignee: Hyperfine Operations, Inc.
- Current Assignee: Hyperfine Operations, Inc.
- Current Assignee Address: US CT Guilford
- Agency: Foley & Lardner LLP
- Main IPC: G01R33/565
- IPC: G01R33/565 ; G01R33/56 ; G01R33/561 ; G06T11/00 ; G01R33/36 ; G01R33/48

Abstract:
Techniques of prospectively compensating for motion of a subject being imaged by an MRI system, the MRI system comprising a plurality of magnetics components including at least one gradient coil and at least one radio-frequency (RF) coil, the techniques comprising: obtaining first spatial frequency data and second spatial frequency data by operating the MRI system in accordance with a pulse sequence, wherein the pulse sequence is associated with a sampling path that includes at least two non-contiguous portions each for sampling a central region of k-space; determining a transformation using a first image obtained using the first spatial frequency data and a second image obtained using the second spatial frequency data; correcting the pulse sequence using the determined transformation to obtain a corrected pulse sequence; and obtaining additional spatial frequency data in accordance with the corrected pulse sequence.
Public/Granted literature
- US20210124003A1 ARTEFACT REDUCTION IN MAGNETIC RESONANCE IMAGING Public/Granted day:2021-04-29
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