CN103403569B - 使用校准扫描、线圈灵敏度图和导航器针对刚性运动补偿的并行mri方法 - Google Patents

使用校准扫描、线圈灵敏度图和导航器针对刚性运动补偿的并行mri方法 Download PDF

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Publication number
CN103403569B
CN103403569B CN201180068106.XA CN201180068106A CN103403569B CN 103403569 B CN103403569 B CN 103403569B CN 201180068106 A CN201180068106 A CN 201180068106A CN 103403569 B CN103403569 B CN 103403569B
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magnetic resonance
projection vector
navigator
sensitivity
resonance imaging
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CN103403569A (zh
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F·黄
W·林
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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
    • G01R33/56509—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
    • G01R33/54—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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5676—Gating or triggering based on an MR signal, e.g. involving one or more navigator echoes for motion monitoring and correction
    • 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
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • 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
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56325—Cine imaging

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Pulmonology (AREA)
  • Power Engineering (AREA)
  • Physiology (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201180068106.XA 2010-12-22 2011-12-16 使用校准扫描、线圈灵敏度图和导航器针对刚性运动补偿的并行mri方法 Expired - Fee Related CN103403569B (zh)

Applications Claiming Priority (3)

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US201061425971P 2010-12-22 2010-12-22
US61/425,971 2010-12-22
PCT/IB2011/055738 WO2012085796A1 (en) 2010-12-22 2011-12-16 Parallel mri method using calibration scan, coil sensitivity maps and navigators for rigid motion compensation

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CN103403569A CN103403569A (zh) 2013-11-20
CN103403569B true CN103403569B (zh) 2016-02-03

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US (1) US10067213B2 (enExample)
EP (1) EP2656093B1 (enExample)
JP (1) JP5960163B2 (enExample)
CN (1) CN103403569B (enExample)
WO (1) WO2012085796A1 (enExample)

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CN107209242B (zh) * 2014-11-07 2020-07-03 皇家飞利浦有限公司 用于生成在其环境中的移动的对象的mr图像的方法和系统
DE102015203385B4 (de) * 2015-02-25 2017-11-30 Siemens Healthcare Gmbh Verfahren zur Erzeugung einer Bewegungsinformation zu einem zumindest teilweise bewegten Untersuchungsbereich sowie Magnetresonanzanlage und Hybrid-Bildgebungsmodalität
DE102015207590A1 (de) * 2015-04-24 2016-10-27 Siemens Healthcare Gmbh Verfahren zu einer Bewegungskompensation während einer Magnetresonanz-Bildgebung
DE102015222835B4 (de) * 2015-11-19 2019-06-13 Siemens Healthcare Gmbh Magnetresonanzbildgebungsverfahren mit simultaner Bildaufnahme von mehreren Teilvolumen mit einer synchronen Bildaufnahme von Navigatoren
DE102016200293A1 (de) * 2016-01-13 2017-07-13 Siemens Healthcare Gmbh Bestimmung von Bewegungszuständen
DE102016204198B4 (de) 2016-03-15 2018-06-07 Siemens Healthcare Gmbh Verfahren zur Erzeugung von MR-Bildern mit prospektiver Bewegungskorrektur und teilvolumenspezifischer Gewichtung der Bildinformation
US10420510B2 (en) * 2016-04-22 2019-09-24 General Electric Company System and method for imaging a moving subject
DE102016223809B4 (de) * 2016-11-30 2022-03-03 Siemens Healthcare Gmbh Verarbeitung von Bewegungssignalen während einer Magnetresonanzmessung
EP3413074A1 (en) * 2017-06-09 2018-12-12 Koninklijke Philips N.V. Parallel multi-slice mr imaging
CN107576925B (zh) * 2017-08-07 2020-01-03 上海东软医疗科技有限公司 磁共振多对比度图像重建方法和装置
DE102018202137A1 (de) 2018-02-12 2019-08-14 Siemens Healthcare Gmbh Verfahren zum Betrieb einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
WO2020185757A1 (en) 2019-03-12 2020-09-17 University Of Cincinnati A system and method for motion correction of magnetic resonance image
JP7451366B2 (ja) * 2020-09-18 2024-03-18 キヤノンメディカルシステムズ株式会社 画像生成装置、画像生成方法、および画像生成プログラム
DE102020215490A1 (de) 2020-12-08 2022-06-09 Siemens Healthcare Gmbh Verfahren zum Aufnehmen von MR-Daten
CN115598576B (zh) * 2021-07-08 2025-12-09 上海联影医疗科技股份有限公司 磁共振接收线圈的灵敏度分布确定方法
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Publication number Publication date
EP2656093B1 (en) 2019-10-16
EP2656093A1 (en) 2013-10-30
WO2012085796A1 (en) 2012-06-28
JP5960163B2 (ja) 2016-08-02
US20130278263A1 (en) 2013-10-24
JP2014503290A (ja) 2014-02-13
US10067213B2 (en) 2018-09-04
CN103403569A (zh) 2013-11-20

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