IN2014CN02547A - - Google Patents

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Publication number
IN2014CN02547A
IN2014CN02547A IN2547CHN2014A IN2014CN02547A IN 2014CN02547 A IN2014CN02547 A IN 2014CN02547A IN 2547CHN2014 A IN2547CHN2014 A IN 2547CHN2014A IN 2014CN02547 A IN2014CN02547 A IN 2014CN02547A
Authority
IN
India
Prior art keywords
sequence
magnetic resonance
scan
data
information
Prior art date
Application number
Other languages
English (en)
Inventor
Feng Huang
George Randall Duensing
Wei Lin
Original Assignee
Koninkl Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Nv filed Critical Koninkl Philips Nv
Publication of IN2014CN02547A publication Critical patent/IN2014CN02547A/en

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Classifications

    • 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
    • G01R33/543—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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/246—Spatial mapping of the RF magnetic field B1
    • 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
    • G01R33/565—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IN2547CHN2014 2011-10-18 2012-10-10 IN2014CN02547A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161548241P 2011-10-18 2011-10-18
PCT/IB2012/055471 WO2013057629A2 (en) 2011-10-18 2012-10-10 Mr imaging using shared information among images with different contrast

Publications (1)

Publication Number Publication Date
IN2014CN02547A true IN2014CN02547A (zh) 2015-07-31

Family

ID=47226231

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2547CHN2014 IN2014CN02547A (zh) 2011-10-18 2012-10-10

Country Status (8)

Country Link
US (1) US20140239949A1 (zh)
EP (1) EP2751586A2 (zh)
JP (1) JP2014530080A (zh)
CN (1) CN103930790A (zh)
BR (1) BR112014009133A8 (zh)
IN (1) IN2014CN02547A (zh)
RU (1) RU2014119867A (zh)
WO (1) WO2013057629A2 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105785297B (zh) * 2014-12-18 2019-11-12 西门子(深圳)磁共振有限公司 多片层数据采集方法及其磁共振成像方法
JP6495057B2 (ja) * 2015-03-16 2019-04-03 キヤノンメディカルシステムズ株式会社 Ｍｒｉ装置及び撮像時間短縮方法
US10656227B2 (en) * 2015-05-12 2020-05-19 Koninklijke Philips N.V. Magnetic resonance examination system with field probes
WO2016186644A1 (en) * 2015-05-18 2016-11-24 The Johns Hopkins University System and method of obtaining spatially-encoded nmr parameters from arbitrarily-shaped compartments and linear algebraic modeling
EP3184071A1 (de) * 2015-12-22 2017-06-28 SpineMind AG Vorrichtung für die intraoperative bildgesteuerte navigation bei chirurgischen eingriffen im bereich der wirbelsäule und im daran angrenzenden thorax-, becken- oder kopfbereich
JP6851387B2 (ja) * 2016-02-12 2021-03-31 ヴィジランス ヘルス イメージング ネットワーク インコーポレイテッドＶｉｇｉｌａｎｃｅ Ｈｅａｌｔｈ Ｉｍａｇｉｎｇ Ｎｅｔｗｏｒｋ Ｉｎｃ． 全身参照画像に基づく複数のｍｒｉ画像の歪み補正
EP3457160A1 (en) * 2017-09-14 2019-03-20 Koninklijke Philips N.V. Parallel magnetic resonance imaging with archived coil sensitivity maps
EP3457156A1 (de) * 2017-09-19 2019-03-20 Siemens Healthcare GmbH Integrierte steuervorrichtung für eine magnetresonanzeinrichtung
CN108333544B (zh) * 2018-01-03 2020-06-16 上海东软医疗科技有限公司 平面回波成像方法和装置
CN112423659B (zh) * 2018-05-21 2023-04-21 上海联影医疗科技股份有限公司 多对比度磁共振成像的系统和方法
EP3719525A1 (en) 2019-04-01 2020-10-07 Koninklijke Philips N.V. Correction of magnetic resonance images using simulated magnetic resonance images
CN114515168B (zh) * 2020-11-19 2024-04-16 深圳迈瑞生物医疗电子股份有限公司 一种超声成像系统
US20230194639A1 (en) * 2021-12-16 2023-06-22 Siemens Healthcare Gmbh Method for acquiring a magnetic resonance image dataset of a subject and magnetic resonance imaging system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2737608B2 (ja) * 1993-07-31 1998-04-08 株式会社島津製作所 Ｍｒイメージング装置
US5713358A (en) * 1996-03-26 1998-02-03 Wisconsin Alumni Research Foundation Method for producing a time-resolved series of 3D magnetic resonance angiograms during the first passage of contrast agent
JP3748661B2 (ja) * 1997-04-07 2006-02-22 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
JP5002099B2 (ja) * 2001-08-31 2012-08-15 株式会社東芝 磁気共鳴イメージング装置
US7245124B2 (en) * 2005-04-12 2007-07-17 Mayo Foundation For Medical Education And Research Under-sampled 3D MRI using a shells k-space sampling trajectory
WO2010032172A1 (en) * 2008-09-17 2010-03-25 Koninklijke Philips Electronics N.V. B1-mapping and b1l-shimming for mri
JP5814912B2 (ja) * 2010-03-31 2015-11-17 株式会社日立メディコ 磁気共鳴イメージング装置及びｓａｒ調整方法

Also Published As

Publication number Publication date
US20140239949A1 (en) 2014-08-28
BR112014009133A8 (pt) 2017-06-20
WO2013057629A3 (en) 2013-06-13
RU2014119867A (ru) 2015-11-27
JP2014530080A (ja) 2014-11-17
EP2751586A2 (en) 2014-07-09
CN103930790A (zh) 2014-07-16
BR112014009133A2 (pt) 2017-06-13
WO2013057629A2 (en) 2013-04-25

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