JP7143313B2 - 双極読み取り勾配に対する位相誤差補正 - Google Patents

双極読み取り勾配に対する位相誤差補正 Download PDF

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JP7143313B2
JP7143313B2 JP2019543895A JP2019543895A JP7143313B2 JP 7143313 B2 JP7143313 B2 JP 7143313B2 JP 2019543895 A JP2019543895 A JP 2019543895A JP 2019543895 A JP2019543895 A JP 2019543895A JP 7143313 B2 JP7143313 B2 JP 7143313B2
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magnetic resonance
phase
data
imaging system
resonance imaging
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JP2020507410A5 (enExample
JP2020507410A (ja
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アドリアヌス ヨセフ ウィリブロルドゥス ドゥエインダム
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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
    • G01R33/565—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
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat 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
    • G01R33/54—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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56341—Diffusion 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
    • G01R33/54—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
    • G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2019543895A 2017-02-17 2018-02-09 双極読み取り勾配に対する位相誤差補正 Active JP7143313B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17156616.9A EP3364207A1 (en) 2017-02-17 2017-02-17 Phase error correction for bipolar read out gradients
EP17156616.9 2017-02-17
PCT/EP2018/053237 WO2018149737A1 (en) 2017-02-17 2018-02-09 Phase error correction for bipolar read out gradients

Publications (3)

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JP2020507410A JP2020507410A (ja) 2020-03-12
JP2020507410A5 JP2020507410A5 (enExample) 2021-03-18
JP7143313B2 true JP7143313B2 (ja) 2022-09-28

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US (1) US11061098B2 (enExample)
EP (2) EP3364207A1 (enExample)
JP (1) JP7143313B2 (enExample)
CN (1) CN110312943B (enExample)
WO (1) WO2018149737A1 (enExample)

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DE102017222359B4 (de) * 2017-12-11 2021-01-28 Siemens Healthcare Gmbh Automatische Bestimmung von Korrekturfaktoren für eine Magnetresonanzanlage
CN109450563B (zh) * 2018-10-16 2021-04-30 电子科技大学 一种WiFi芯片相位偏移矫正方法
EP3796023A1 (de) * 2019-09-18 2021-03-24 Siemens Healthcare GmbH Verbessertes magnetresonanz-dixon-verfahren
CN113495242B (zh) * 2020-04-03 2022-12-20 上海联影医疗科技股份有限公司 相位误差探测方法、装置、磁共振系统及其成像方法
EP4012434A1 (en) 2020-12-08 2022-06-15 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
JP7427616B2 (ja) * 2021-01-08 2024-02-05 富士フイルムヘルスケア株式会社 磁気共鳴イメージング装置、画像処理装置、及び、位相補正方法
US12260549B2 (en) * 2021-02-15 2025-03-25 The Regents Of The University Of California Automated deep correction of MRI phase-error
CN115629347B (zh) * 2022-10-20 2023-09-19 无锡鸣石峻致医疗科技有限公司 一种磁共振成像系统中获得梯度轨迹的方法、装置和介质
US12455336B2 (en) * 2023-11-28 2025-10-28 Siemens Healthineers Ag Methods, apparatuses, systems, and computer-readable mediums for magnetic resonance imaging with phase difference operation

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JP2014511750A (ja) 2011-04-21 2014-05-19 コーニンクレッカ フィリップス エヌ ヴェ 脂肪抑制のために化学シフト・エンコードを用いるコントラスト増強磁気共鳴血管造影法
JP2014158535A (ja) 2013-02-19 2014-09-04 Toshiba Corp 磁気共鳴イメージング装置
WO2016207035A1 (en) 2015-06-26 2016-12-29 Koninklijke Philips N.V. Phase corrected dixon magnetic resonance imaging

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US5689186A (en) * 1995-12-26 1997-11-18 General Electric Company Method for producing an off-center image using an EPI pulse sequence
US6078176A (en) * 1996-11-08 2000-06-20 General Electric Company Fast spin echo pulse sequence for diffusion weighted imaging
US5833609A (en) * 1996-11-26 1998-11-10 Picker International, Inc. Rotating diffusion MR imaging reduced motion artifacts
US6285187B1 (en) * 1999-04-28 2001-09-04 General Electric Company Method and apparatus for reducing artifacts in echo planar imaging
JP3353826B2 (ja) 1999-06-24 2002-12-03 ジーイー横河メディカルシステム株式会社 磁場不均一測定装置、位相補正装置および磁気共鳴撮像装置
JP3365983B2 (ja) * 1999-09-28 2003-01-14 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
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DE102010001552B4 (de) * 2010-02-03 2012-03-08 Siemens Aktiengesellschaft Verfahren zum Bestimmen eines Hintergrundphasenverlaufs, Magnetresonanzvorrichtung und Computerprogramm
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US20100244822A1 (en) 2009-03-31 2010-09-30 General Electric Company Method and system to perform phase correction for species separation in magnetic resonance imaging
JP2014511750A (ja) 2011-04-21 2014-05-19 コーニンクレッカ フィリップス エヌ ヴェ 脂肪抑制のために化学シフト・エンコードを用いるコントラスト増強磁気共鳴血管造影法
JP2014158535A (ja) 2013-02-19 2014-09-04 Toshiba Corp 磁気共鳴イメージング装置
WO2016207035A1 (en) 2015-06-26 2016-12-29 Koninklijke Philips N.V. Phase corrected dixon magnetic resonance imaging

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Publication number Publication date
US11061098B2 (en) 2021-07-13
US20200018809A1 (en) 2020-01-16
CN110312943B (zh) 2022-03-29
CN110312943A (zh) 2019-10-08
EP3583437A1 (en) 2019-12-25
JP2020507410A (ja) 2020-03-12
WO2018149737A1 (en) 2018-08-23
EP3364207A1 (en) 2018-08-22

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