CN111542762B - 双分辨率Dixon磁共振成像 - Google Patents

双分辨率Dixon磁共振成像 Download PDF

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CN111542762B
CN111542762B CN201980006440.9A CN201980006440A CN111542762B CN 111542762 B CN111542762 B CN 111542762B CN 201980006440 A CN201980006440 A CN 201980006440A CN 111542762 B CN111542762 B CN 111542762B
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magnetic resonance
resolution
point dixon
resonance imaging
pulse sequence
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CN111542762A (zh
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H·埃格斯
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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
    • G01R33/4828—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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/243—Spatial mapping of the polarizing magnetic field
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
    • 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
    • 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
    • G01R33/5615—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]
    • 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
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201980006440.9A 2018-01-11 2019-01-09 双分辨率Dixon磁共振成像 Active CN111542762B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18151141.1A EP3511725A1 (en) 2018-01-11 2018-01-11 Dual resolution dixon magnetic resonance imaging
EP18151141.1 2018-01-11
PCT/EP2019/050385 WO2019137932A1 (en) 2018-01-11 2019-01-09 Dual resolution dixon magnetic resonance imaging

Publications (2)

Publication Number Publication Date
CN111542762A CN111542762A (zh) 2020-08-14
CN111542762B true CN111542762B (zh) 2024-03-15

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US (1) US11280865B2 (enExample)
EP (2) EP3511725A1 (enExample)
JP (1) JP7337808B2 (enExample)
CN (1) CN111542762B (enExample)
WO (1) WO2019137932A1 (enExample)

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CN112674752B (zh) * 2020-12-30 2024-09-27 深圳市联影高端医疗装备创新研究院 功能性磁共振成像方法、装置、设备及存储介质
EP4043902A1 (en) * 2021-02-11 2022-08-17 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
US11460526B1 (en) * 2021-04-29 2022-10-04 GE Precision Healthcare LLC Pulse sequence generation systems and methods of reducing acoustic noise in magnetic resonance systems
JP7221371B1 (ja) 2021-12-21 2023-02-13 ジーイー・プレシジョン・ヘルスケア・エルエルシー 磁気共鳴イメージング装置、血管画像生成方法、および記録媒体
US11927657B2 (en) * 2022-04-13 2024-03-12 Regents Of The University Of Michigan Multiresolution magnetic resonance fingerprinting systems and methods
EP4261557A1 (en) * 2022-04-15 2023-10-18 Koninklijke Philips N.V. Mr imaging using partial echo acquisition
US20260072114A1 (en) * 2024-09-12 2026-03-12 GE Precision Healthcare LLC Rapid simultaneous b0 and b1 mapping for magnetic resonance imaging

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US4871967A (en) * 1986-11-30 1989-10-03 Elscint Ltd. Spectral component separation in mr imaging
US5771893A (en) * 1994-09-06 1998-06-30 Kabushiki Kaisha Toshiba Method and apparatus for nuclear magnetic resonance imaging of physiological function information
WO2011080693A1 (en) * 2009-12-30 2011-07-07 Koninklijke Philips Electronics N.V. Water -fat separation in mri using partial echoes at different echo times
CN103300857A (zh) * 2012-03-12 2013-09-18 西门子公司 用于执行组合的磁共振－正电子发射断层造影的方法
CN105659103A (zh) * 2013-08-30 2016-06-08 皇家飞利浦有限公司 狄克逊磁共振成像
CN105793721A (zh) * 2013-12-02 2016-07-20 皇家飞利浦有限公司 使用零回波时间脉冲序列的磁共振成像
WO2016207035A1 (en) * 2015-06-26 2016-12-29 Koninklijke Philips N.V. Phase corrected dixon magnetic resonance imaging
CN107072586A (zh) * 2015-08-06 2017-08-18 株式会社日立制作所 磁共振成像装置
CN107405502A (zh) * 2015-03-04 2017-11-28 皇家飞利浦有限公司 声辐射力成像
CN107407714A (zh) * 2015-01-21 2017-11-28 皇家飞利浦有限公司 用于根据b0图和b1图来计算导出值的mri方法

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US7042215B2 (en) * 2003-04-25 2006-05-09 Case Western Reserve University Three point dixon techniques in MRI spiral trajectories with off-resonance correction where each TE is a multiple of 2.2 milliseconds
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US7486074B2 (en) * 2006-04-25 2009-02-03 The Board Of Trustees Of The Leland Stanford Junior University Self-calibration methods for parallel imaging and multipoint water-fat separation methods
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JP6469703B2 (ja) * 2013-09-16 2019-02-13 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｄｉｘｏｎ式水／脂肪分離を用いたＭＲイメージング
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US4871967A (en) * 1986-11-30 1989-10-03 Elscint Ltd. Spectral component separation in mr imaging
US5771893A (en) * 1994-09-06 1998-06-30 Kabushiki Kaisha Toshiba Method and apparatus for nuclear magnetic resonance imaging of physiological function information
WO2011080693A1 (en) * 2009-12-30 2011-07-07 Koninklijke Philips Electronics N.V. Water -fat separation in mri using partial echoes at different echo times
CN103300857A (zh) * 2012-03-12 2013-09-18 西门子公司 用于执行组合的磁共振－正电子发射断层造影的方法
CN105659103A (zh) * 2013-08-30 2016-06-08 皇家飞利浦有限公司 狄克逊磁共振成像
CN105793721A (zh) * 2013-12-02 2016-07-20 皇家飞利浦有限公司 使用零回波时间脉冲序列的磁共振成像
CN107407714A (zh) * 2015-01-21 2017-11-28 皇家飞利浦有限公司 用于根据b0图和b1图来计算导出值的mri方法
CN107405502A (zh) * 2015-03-04 2017-11-28 皇家飞利浦有限公司 声辐射力成像
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Publication number Publication date
EP3511725A1 (en) 2019-07-17
WO2019137932A1 (en) 2019-07-18
EP3692382B1 (en) 2021-03-10
US11280865B2 (en) 2022-03-22
EP3692382A1 (en) 2020-08-12
JP2021510568A (ja) 2021-04-30
US20200363486A1 (en) 2020-11-19
CN111542762A (zh) 2020-08-14
JP7337808B2 (ja) 2023-09-04

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