CN108431625B - 具有对运动引起的扩散梯度不一致性的修正的dti - Google Patents

具有对运动引起的扩散梯度不一致性的修正的dti Download PDF

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CN108431625B
CN108431625B CN201680075779.0A CN201680075779A CN108431625B CN 108431625 B CN108431625 B CN 108431625B CN 201680075779 A CN201680075779 A CN 201680075779A CN 108431625 B CN108431625 B CN 108431625B
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diffusion
echo
motion
echo signals
gradient
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CN108431625A (zh
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黄峰
Z·吴
Z·徐
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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
    • G01R33/563—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
    • 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
    • G01R33/54—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
    • G01R33/56—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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Computer Vision & Pattern Recognition (AREA)
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  • Magnetic Resonance Imaging Apparatus (AREA)
CN201680075779.0A 2015-12-22 2016-12-15 具有对运动引起的扩散梯度不一致性的修正的dti Expired - Fee Related CN108431625B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN2015098240 2015-12-22
CNPCT/CN2015/098240 2015-12-22
EP16166963.5 2016-04-26
EP16166963 2016-04-26
PCT/EP2016/081088 WO2017108543A1 (en) 2015-12-22 2016-12-15 Dti with correction of motion-induced diffusion gradient inconsistency

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CN108431625A CN108431625A (zh) 2018-08-21
CN108431625B true CN108431625B (zh) 2021-08-24

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US (1) US10746832B2 (enExample)
EP (1) EP3394628A1 (enExample)
JP (1) JP6873137B2 (enExample)
CN (1) CN108431625B (enExample)
WO (1) WO2017108543A1 (enExample)

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Publication number Priority date Publication date Assignee Title
EP3633401A1 (en) * 2018-10-04 2020-04-08 Siemens Healthcare GmbH Prevention of compensating a wrongly detected motion in mri
CN109752681B (zh) * 2019-01-22 2021-10-29 奥泰医疗系统有限责任公司 倾斜平面回波成像方法及核磁共振成像系统
EP3699624A1 (en) * 2019-02-25 2020-08-26 Koninklijke Philips N.V. Calculation of a b0 image using multiple diffusion weighted mr images
JP7614957B2 (ja) * 2021-06-24 2025-01-16 富士フイルム株式会社 磁気共鳴イメージング装置及びその制御方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1683939A (zh) * 2004-04-13 2005-10-19 西门子公司 在磁共振断层造影中融合加权成像的运动校正的多点方法
US20090284257A1 (en) * 2008-05-19 2009-11-19 The Board Of Trustees Of The Leland Stanford Junior University Motion corrected tensor magnetic resonance imaging
CN102736046A (zh) * 2011-04-06 2012-10-17 西门子公司 产生扩散信息的方法和相应的磁共振设备
CN103211596A (zh) * 2012-01-24 2013-07-24 美国西门子医疗解决公司 用于运动修正mr扩散成像的系统
CN104471425A (zh) * 2012-05-04 2015-03-25 Cr发展公司 用于mri的脉冲序列方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5833609A (en) 1996-11-26 1998-11-10 Picker International, Inc. Rotating diffusion MR imaging reduced motion artifacts
JP2004329269A (ja) * 2003-04-30 2004-11-25 Hitachi Medical Corp 磁気共鳴イメージング装置
JP2006014753A (ja) * 2004-06-30 2006-01-19 Hitachi Medical Corp 磁気共鳴イメージング装置
EP2858559B1 (en) 2012-06-28 2021-01-20 Duke University Multi-shot scan protocols for high-resolution mri incorporating multiplexed sensitivity-encoding (muse)
CN104854471B (zh) 2012-12-12 2018-10-26 皇家飞利浦有限公司 针对磁共振弥散加权成像(dwi)的运动检测与校正方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1683939A (zh) * 2004-04-13 2005-10-19 西门子公司 在磁共振断层造影中融合加权成像的运动校正的多点方法
US20090284257A1 (en) * 2008-05-19 2009-11-19 The Board Of Trustees Of The Leland Stanford Junior University Motion corrected tensor magnetic resonance imaging
CN102736046A (zh) * 2011-04-06 2012-10-17 西门子公司 产生扩散信息的方法和相应的磁共振设备
CN103211596A (zh) * 2012-01-24 2013-07-24 美国西门子医疗解决公司 用于运动修正mr扩散成像的系统
CN104471425A (zh) * 2012-05-04 2015-03-25 Cr发展公司 用于mri的脉冲序列方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《Effects of motion and b‐matrix correction for high resolution DTI with short‐axis PROPELLER‐EPI》;Murat Aksoy等;《NMR in Biomedicine》;20100311;正文第794页第1段-第801页第2段 *

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JP2019503750A (ja) 2019-02-14
US20180372829A1 (en) 2018-12-27
JP6873137B2 (ja) 2021-05-19
EP3394628A1 (en) 2018-10-31
CN108431625A (zh) 2018-08-21
WO2017108543A1 (en) 2017-06-29
US10746832B2 (en) 2020-08-18

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