DE112020001718T5 - Korrektur von magnetresonanzbildern anhand von simulierten magnetresonanzbildern - Google Patents

Korrektur von magnetresonanzbildern anhand von simulierten magnetresonanzbildern Download PDF

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Publication number
DE112020001718T5
DE112020001718T5 DE112020001718.4T DE112020001718T DE112020001718T5 DE 112020001718 T5 DE112020001718 T5 DE 112020001718T5 DE 112020001718 T DE112020001718 T DE 112020001718T DE 112020001718 T5 DE112020001718 T5 DE 112020001718T5
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magnetic resonance
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DE112020001718.4T
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German (de)
English (en)
Inventor
Giuseppe Valvano
Elwin De Weerdt
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance 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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
    • 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
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • 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
    • 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
    • G01R33/56554—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by acquiring plural, differently encoded echo signals after one RF excitation, e.g. correction for readout gradients of alternating polarity in EPI
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/20—Inverse problem, i.e. transformations from projection space into object space

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Artificial Intelligence (AREA)
  • Theoretical Computer Science (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
DE112020001718.4T 2019-04-01 2020-04-01 Korrektur von magnetresonanzbildern anhand von simulierten magnetresonanzbildern Pending DE112020001718T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19166575.1A EP3719525A1 (en) 2019-04-01 2019-04-01 Correction of magnetic resonance images using simulated magnetic resonance images
EP19166575.1 2019-04-01
PCT/EP2020/059225 WO2020201336A1 (en) 2019-04-01 2020-04-01 Correction of magnetic resonance images using simulated magnetic resonance images

Publications (1)

Publication Number Publication Date
DE112020001718T5 true DE112020001718T5 (de) 2021-12-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE112020001718.4T Pending DE112020001718T5 (de) 2019-04-01 2020-04-01 Korrektur von magnetresonanzbildern anhand von simulierten magnetresonanzbildern

Country Status (7)

Country Link
US (1) US11686800B2 (https=)
EP (1) EP3719525A1 (https=)
JP (1) JP7442545B2 (https=)
CN (1) CN113661404B (https=)
DE (1) DE112020001718T5 (https=)
GB (1) GB2597023B (https=)
WO (1) WO2020201336A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3926355A1 (en) * 2020-06-15 2021-12-22 Koninklijke Philips N.V. Estimation of b0 inhomogeneities for improved acquisition and/or reconstruction of magnetic resonance images
WO2025116808A1 (en) * 2023-12-01 2025-06-05 Corsmed Ab A method intended in the magnetic resonance imaging (mri) field for simulation-based reconstruction (sbr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050270024A1 (en) 2004-06-03 2005-12-08 Fa-Hsuan Lin Method for parallel image reconstruction using automatic regularization

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
BRPI0821804A2 (pt) 2007-12-20 2015-06-16 Wisconsin Alumni Res Found Método para reconstruir uma imagem de um indivíduo
US9052409B2 (en) * 2008-07-11 2015-06-09 Schlumberger Technology Corporation Monte Carlo method for laplace inversion of NMR data
WO2012028955A2 (en) 2010-09-01 2012-03-08 Commissariat A L Energie Atomique Et Aux Énergies Alternatives Method for performing parallel magnetic resonance imaging
WO2013057629A2 (en) 2011-10-18 2013-04-25 Koninklijke Philips Electronics N.V. Mr imaging using shared information among images with different contrast
CN103018689B (zh) * 2012-08-27 2015-08-05 嘉恒医疗科技有限公司 基于流函数的磁共振射频线圈设计方法
US10429475B2 (en) * 2013-03-12 2019-10-01 The General Hospital Corporation Method for increasing signal-to-noise ratio in magnetic resonance imaging using per-voxel noise covariance regularization
US10258246B2 (en) * 2013-04-22 2019-04-16 Ohio State Innovation Foundation Direct inversion for phase-based dynamic magnetic resonance measurements
CN105308469B (zh) * 2013-06-06 2019-11-12 皇家飞利浦有限公司 一种mr成像方法、mr设备以及相关数据载体
WO2015140277A1 (en) * 2014-03-21 2015-09-24 Koninklijke Philips N.V. Control of magnetic resonance imaging acquisition using modeling
WO2015197366A1 (en) * 2014-06-23 2015-12-30 Koninklijke Philips N.V. Motion correction in magnetic resonance imaging
RU2730431C2 (ru) * 2015-12-03 2020-08-21 Конинклейке Филипс Н.В. Удаление артефактов изображений при sense-визуализации
RU2734059C2 (ru) * 2016-04-21 2020-10-12 Конинклейке Филипс Н.В. Модификация параметров последовательности импульсов для магнитно-резонансной визуализации
RU2019104619A (ru) * 2016-07-21 2020-08-21 Конинклейке Филипс Н.В. Корректируемая магнитно-резонансная томография со сжатым восприятием
WO2018036986A1 (en) * 2016-08-25 2018-03-01 Koninklijke Philips N.V. Bo-corrected sensitivity encoding magnetic resonance imaging
US10417793B2 (en) 2017-03-23 2019-09-17 Wisconsin Alumni Research Foundation System and method for data-consistency preparation and image reconstruction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050270024A1 (en) 2004-06-03 2005-12-08 Fa-Hsuan Lin Method for parallel image reconstruction using automatic regularization

Also Published As

Publication number Publication date
CN113661404A (zh) 2021-11-16
US20220179028A1 (en) 2022-06-09
JP7442545B2 (ja) 2024-03-04
JP2022527509A (ja) 2022-06-02
GB202115532D0 (en) 2021-12-15
CN113661404B (zh) 2024-04-12
GB2597023A (en) 2022-01-12
US11686800B2 (en) 2023-06-27
EP3719525A1 (en) 2020-10-07
GB2597023B (en) 2023-06-28
WO2020201336A1 (en) 2020-10-08

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