SG11202112987SA - Systems and methods for image reconstruction in magnetic resonance imaging - Google Patents
Systems and methods for image reconstruction in magnetic resonance imagingInfo
- Publication number
- SG11202112987SA SG11202112987SA SG11202112987SA SG11202112987SA SG11202112987SA SG 11202112987S A SG11202112987S A SG 11202112987SA SG 11202112987S A SG11202112987S A SG 11202112987SA SG 11202112987S A SG11202112987S A SG 11202112987SA SG 11202112987S A SG11202112987S A SG 11202112987SA
- Authority
- SG
- Singapore
- Prior art keywords
- systems
- methods
- magnetic resonance
- resonance imaging
- image reconstruction
- Prior art date
Links
- 238000002595 magnetic resonance imaging Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
- G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
- G01R33/4822—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory in three dimensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56572—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of a gradient magnetic field, e.g. non-linearity of a gradient magnetic field
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Signal Processing (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962866533P | 2019-06-25 | 2019-06-25 | |
| PCT/US2020/039667 WO2020264194A1 (en) | 2019-06-25 | 2020-06-25 | Systems and methods for image reconstruction in magnetic resonance imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202112987SA true SG11202112987SA (en) | 2021-12-30 |
Family
ID=74059965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202112987SA SG11202112987SA (en) | 2019-06-25 | 2020-06-25 | Systems and methods for image reconstruction in magnetic resonance imaging |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US11953573B2 (en) |
| EP (1) | EP3990935A4 (en) |
| JP (1) | JP2022537916A (en) |
| KR (1) | KR20220024425A (en) |
| CN (1) | CN113994225A (en) |
| AU (1) | AU2020308866A1 (en) |
| BR (1) | BR112021024937A2 (en) |
| CA (1) | CA3142022A1 (en) |
| IL (1) | IL289101A (en) |
| MX (1) | MX2021015362A (en) |
| SG (1) | SG11202112987SA (en) |
| WO (1) | WO2020264194A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112021024937A2 (en) | 2019-06-25 | 2022-01-25 | Promaxo Inc | Method and system for magnetic resonance imaging |
| CN115209829A (en) | 2020-01-23 | 2022-10-18 | 普罗马克索公司 | Robotic system and method for MRI guidance of biopsies |
| AU2021224846A1 (en) | 2020-02-20 | 2022-10-20 | Promaxo, Inc. | Radio frequency reception coil networks for single-sided magnetic resonance imaging |
| IL296217A (en) | 2020-03-09 | 2022-11-01 | Promaxo Inc | Pulse sequences and frequency sweep pulses for single-sided magnetic resonance imaging |
| JP2023516474A (en) | 2020-03-09 | 2023-04-19 | プロマクソ インコーポレイテッド | Phase encoding using frequency-swept pulses for magnetic resonance imaging in inhomogeneous magnetic fields |
| EP4330699A1 (en) | 2021-04-26 | 2024-03-06 | Promaxo, Inc. | Interventional localization guide and method for mri guided pelvic interventions |
| IL313989A (en) | 2022-01-04 | 2024-08-01 | Promaxo Inc | Relaxation-based magnetic resonance thermometry with a low-field single-sided mri scanner |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6636756B2 (en) * | 1999-11-30 | 2003-10-21 | General Electric Company | K-space synthesis for MR imaging in the presence of gradient field nonlinearity |
| US6969991B2 (en) * | 2002-12-11 | 2005-11-29 | The Board Of Trustees Of The Leland Stanford Junior University | Correction of the effect of spatial gradient field distortions in diffusion-weighted imaging |
| JP2006075380A (en) * | 2004-09-10 | 2006-03-23 | Ge Medical Systems Global Technology Co Llc | Method of generating mr image and mri apparatus |
| CN101248366A (en) * | 2005-08-23 | 2008-08-20 | 皇家飞利浦电子股份有限公司 | Device and method for parallel magnetic resonance imaging |
| WO2009037711A2 (en) * | 2007-09-20 | 2009-03-26 | Topspin Medical (Israel) Ltd. | Mri image reconstruction method involving nonlinear encoding gradients or phase cycling |
| US20090285463A1 (en) * | 2008-04-18 | 2009-11-19 | Ricardo Otazo | Superresolution parallel magnetic resonance imaging |
| US8781197B2 (en) * | 2008-04-28 | 2014-07-15 | Cornell University | Tool for accurate quantification in molecular MRI |
| WO2011087847A2 (en) | 2009-12-22 | 2011-07-21 | Yale University | Accelerated mri with nonlineear spatial encoding gradients |
| US8354844B2 (en) * | 2009-12-23 | 2013-01-15 | Universitaetsklinikum Freiburg | Method for data acquisition acceleration in magnetic resonance imaging (MRI) with N-dimensional spatial encoding using two or more receiver coil arrays and non-linear phase distributions |
| EP2402780A1 (en) * | 2010-06-23 | 2012-01-04 | Koninklijke Philips Electronics N.V. | Method of reconstructing a magnetic resonance image of an object considering higher-order dynamic fields |
| CN102973271B (en) * | 2011-12-12 | 2015-06-03 | 中国科学院深圳先进技术研究院 | Magnetic resonance dynamic imaging method and system |
| CN103505207A (en) * | 2012-06-18 | 2014-01-15 | 山东大学威海分校 | Fast and effective dynamic MRI method based on compressive sensing technology |
| CN103033784B (en) * | 2012-12-12 | 2015-01-21 | 厦门大学 | Compressed sensing magnetic resonance imaging method controlled by radio-frequency pulse |
| US10353039B2 (en) * | 2013-11-22 | 2019-07-16 | Yale University | Single-echo imaging with nonlinear magnetic gradients |
| US10126398B2 (en) * | 2014-01-03 | 2018-11-13 | Yudong Zhu | Modeling and validation for compressed sensing and MRI |
| US9594134B2 (en) * | 2014-01-22 | 2017-03-14 | Wisconsin Alumni Research Foundation | System and method for fully phase-encoded magnetic resonance imaging using multiband radio frequency excitation |
| US10302731B2 (en) * | 2014-04-25 | 2019-05-28 | Mayo Foundation For Medical Education And Research | Integrated image reconstruction and gradient non-linearity correction for magnetic resonance imaging |
| AU2016218479B2 (en) * | 2015-02-10 | 2021-12-09 | Voxelgrids Innovations Private Limited | Method for constructing image from MRI data |
| US10120049B2 (en) * | 2015-05-18 | 2018-11-06 | The Johns Hopkins University | System and method of obtaining spatially-encoded NMR parameters from arbitrarily-shaped compartments and linear algebraic modeling |
| CN104965184B (en) * | 2015-05-25 | 2017-10-10 | 厦门大学 | Spiral sampling and method for reconstructing based on space-time code single sweep magnetic resonance imaging |
| US9569843B1 (en) * | 2015-09-09 | 2017-02-14 | Siemens Healthcare Gmbh | Parameter-free denoising of complex MR images by iterative multi-wavelet thresholding |
| CN109791187B (en) * | 2016-08-25 | 2022-03-29 | 皇家飞利浦有限公司 | System and method for B0 corrected sensitivity encoding magnetic resonance imaging |
| CN106556813B (en) * | 2016-11-25 | 2021-09-24 | 上海辰光医疗科技股份有限公司 | Linear mixed optimization method of active shimming coil in magnetic resonance system |
| US10459051B2 (en) * | 2017-01-05 | 2019-10-29 | Siemens Healthcare Gmbh | Field of view increase in magnetic resonance imaging using nonlinear gradients and generalized iterative reconstruction |
| CN107274462B (en) * | 2017-06-27 | 2020-06-23 | 哈尔滨理工大学 | Classified multi-dictionary learning magnetic resonance image reconstruction method based on entropy and geometric direction |
| CN108717171A (en) * | 2018-05-24 | 2018-10-30 | 上海理工大学 | A kind of compressed sensing Low-field magnetic resonance imaging algorithm |
| EP3924745A4 (en) | 2019-02-15 | 2022-10-19 | Promaxo, Inc. | Systems and methods for ultralow field relaxation dispersion |
| USD895803S1 (en) | 2019-02-21 | 2020-09-08 | Promaxo, Inc. | Analytical device |
| KR102511560B1 (en) | 2019-02-22 | 2023-03-17 | 프로맥소 인크. | Pseudo-cage coil with variable tuning and its applications |
| EP3928108A4 (en) | 2019-02-22 | 2023-03-15 | Promaxo, Inc. | Systems and methods for performing magnetic resonance imaging |
| CA3159100A1 (en) | 2019-03-25 | 2020-10-01 | Promaxo, Inc. | Single-sided fast mri gradient field coils and applications thereof |
| KR20220123319A (en) | 2019-03-25 | 2022-09-06 | 프로맥소 인크. | Systems and methods for volumetric acquisition in a single-sided mri system |
| BR112021024937A2 (en) | 2019-06-25 | 2022-01-25 | Promaxo Inc | Method and system for magnetic resonance imaging |
-
2020
- 2020-06-25 BR BR112021024937A patent/BR112021024937A2/en unknown
- 2020-06-25 KR KR1020227000290A patent/KR20220024425A/en not_active Application Discontinuation
- 2020-06-25 AU AU2020308866A patent/AU2020308866A1/en active Pending
- 2020-06-25 WO PCT/US2020/039667 patent/WO2020264194A1/en unknown
- 2020-06-25 CN CN202080042821.5A patent/CN113994225A/en active Pending
- 2020-06-25 US US17/596,610 patent/US11953573B2/en active Active
- 2020-06-25 SG SG11202112987SA patent/SG11202112987SA/en unknown
- 2020-06-25 CA CA3142022A patent/CA3142022A1/en active Pending
- 2020-06-25 EP EP20831322.1A patent/EP3990935A4/en active Pending
- 2020-06-25 MX MX2021015362A patent/MX2021015362A/en unknown
- 2020-06-25 JP JP2021572102A patent/JP2022537916A/en active Pending
-
2021
- 2021-12-19 IL IL289101A patent/IL289101A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2020308866A1 (en) | 2021-12-23 |
| US11953573B2 (en) | 2024-04-09 |
| WO2020264194A1 (en) | 2020-12-30 |
| BR112021024937A2 (en) | 2022-01-25 |
| JP2022537916A (en) | 2022-08-31 |
| EP3990935A4 (en) | 2024-01-03 |
| MX2021015362A (en) | 2022-01-24 |
| US20220342020A1 (en) | 2022-10-27 |
| KR20220024425A (en) | 2022-03-03 |
| EP3990935A1 (en) | 2022-05-04 |
| CN113994225A (en) | 2022-01-28 |
| CA3142022A1 (en) | 2020-12-30 |
| IL289101A (en) | 2022-02-01 |
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