RU2019104619A - Корректируемая магнитно-резонансная томография со сжатым восприятием - Google Patents

Корректируемая магнитно-резонансная томография со сжатым восприятием Download PDF

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Publication number
RU2019104619A
RU2019104619A RU2019104619A RU2019104619A RU2019104619A RU 2019104619 A RU2019104619 A RU 2019104619A RU 2019104619 A RU2019104619 A RU 2019104619A RU 2019104619 A RU2019104619 A RU 2019104619A RU 2019104619 A RU2019104619 A RU 2019104619A
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Russia
Prior art keywords
magnetic resonance
data
measured
resonance imaging
imaging system
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RU2019104619A
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English (en)
Russian (ru)
Inventor
Тим НИЛЬСЕН
Петер БЕРНЕРТ
Original Assignee
Конинклейке Филипс Н.В.
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Application filed by Конинклейке Филипс Н.В. filed Critical Конинклейке Филипс Н.В.
Publication of RU2019104619A publication Critical patent/RU2019104619A/ru

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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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling
    • 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
    • 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
    • G01R33/44—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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
RU2019104619A 2016-07-21 2017-07-14 Корректируемая магнитно-резонансная томография со сжатым восприятием RU2019104619A (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16180581 2016-07-21
EP16180581.7 2016-07-21
PCT/EP2017/067866 WO2018015298A1 (en) 2016-07-21 2017-07-14 Motion-corrected compressed sensing magnetic resonance imaging

Publications (1)

Publication Number Publication Date
RU2019104619A true RU2019104619A (ru) 2020-08-21

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RU2019104619A RU2019104619A (ru) 2016-07-21 2017-07-14 Корректируемая магнитно-резонансная томография со сжатым восприятием

Country Status (6)

Country Link
US (1) US10698064B2 (enExample)
EP (1) EP3500869B1 (enExample)
JP (1) JP6932181B2 (enExample)
CN (1) CN109477878B (enExample)
RU (1) RU2019104619A (enExample)
WO (1) WO2018015298A1 (enExample)

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JP7221681B2 (ja) * 2018-12-28 2023-02-14 キヤノンメディカルシステムズ株式会社 画像再構成方法、再構成装置、及び磁気共鳴イメージング装置
US10950014B2 (en) 2019-03-01 2021-03-16 Canon Medical Systems Corporation Method and apparatus for adaptive compressed sensing (CS) to correct motion artifacts in magnetic resonance imaging (MRI)
EP3719525A1 (en) * 2019-04-01 2020-10-07 Koninklijke Philips N.V. Correction of magnetic resonance images using simulated magnetic resonance images
US10806370B1 (en) * 2019-04-25 2020-10-20 General Electric Company MRI system and method for detection and correction of patient motion
US11280868B2 (en) * 2019-06-19 2022-03-22 GE Precision Healthcare LLC Image enhancement with variable number of excitation (NEX) acquisitions accelerated using compressed sensing
EP3824814A1 (en) * 2019-11-22 2021-05-26 Koninklijke Philips N.V. Assessment of measured tomographic data
EP3865892A1 (en) * 2020-02-17 2021-08-18 Koninklijke Philips N.V. Iterative reconstruction of gradient echo magnetic resonance images

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US8472688B2 (en) * 2008-04-17 2013-06-25 Wisconsin Alumni Research Foundation Method for image reconstruction employing sparsity-constrained iterative correction
CN102077108B (zh) * 2008-04-28 2015-02-25 康奈尔大学 分子mri中的磁敏度精确量化
EP2580696B1 (en) * 2010-06-11 2025-08-06 Hitachi Energy Ltd Detecting state estimation network model data errors
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CN103424420A (zh) * 2013-01-31 2013-12-04 上海理工大学 一种基于拟合的核磁共振信号处理方法
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US10310047B2 (en) * 2016-04-21 2019-06-04 University Of Virginia Patent Foundation Systems and methods for free-breathing cine DENSE MRI using self-navigation
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Also Published As

Publication number Publication date
EP3500869B1 (en) 2021-02-24
CN109477878B (zh) 2021-08-24
CN109477878A (zh) 2019-03-15
WO2018015298A1 (en) 2018-01-25
BR112019001002A2 (pt) 2019-05-14
US20190242965A1 (en) 2019-08-08
JP2019530486A (ja) 2019-10-24
JP6932181B2 (ja) 2021-09-08
EP3500869A1 (en) 2019-06-26
US10698064B2 (en) 2020-06-30

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Effective date: 20200715