JP6085545B2 - 磁気共鳴イメージング装置、画像処理装置および磁化率画像算出方法 - Google Patents

磁気共鳴イメージング装置、画像処理装置および磁化率画像算出方法 Download PDF

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JP6085545B2
JP6085545B2 JP2013199651A JP2013199651A JP6085545B2 JP 6085545 B2 JP6085545 B2 JP 6085545B2 JP 2013199651 A JP2013199651 A JP 2013199651A JP 2013199651 A JP2013199651 A JP 2013199651A JP 6085545 B2 JP6085545 B2 JP 6085545B2
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image
phase
magnetic resonance
resonance imaging
imaging apparatus
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JP2015062637A (ja
JP2015062637A5 (enExample
Inventor
良太 佐藤
良太 佐藤
亨 白猪
亨 白猪
陽 谷口
陽 谷口
久晃 越智
久晃 越智
尾藤　良孝
良孝 尾藤
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Hitachi Ltd
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Hitachi Ltd
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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
    • G01R33/24—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
    • G01R33/44—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
    • G01R33/56536—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to magnetic susceptibility variations

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP2013199651A 2013-09-26 2013-09-26 磁気共鳴イメージング装置、画像処理装置および磁化率画像算出方法 Active JP6085545B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013199651A JP6085545B2 (ja) 2013-09-26 2013-09-26 磁気共鳴イメージング装置、画像処理装置および磁化率画像算出方法
US14/466,235 US9709641B2 (en) 2013-09-26 2014-08-22 Magnetic resonance imaging apparatus, image processing apparatus, and susceptibility map calculation method

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JP2013199651A JP6085545B2 (ja) 2013-09-26 2013-09-26 磁気共鳴イメージング装置、画像処理装置および磁化率画像算出方法

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JP2015062637A JP2015062637A (ja) 2015-04-09
JP2015062637A5 JP2015062637A5 (enExample) 2016-03-17
JP6085545B2 true JP6085545B2 (ja) 2017-02-22

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JP (1) JP6085545B2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016089976A1 (en) * 2014-12-04 2016-06-09 General Electric Company Method and system for improved classification of constituent materials
JP6568760B2 (ja) * 2015-09-30 2019-08-28 株式会社日立製作所 磁気共鳴イメージング装置、および、画像処理装置
JP6618754B2 (ja) 2015-10-06 2019-12-11 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置、画像処理装置、及び画像処理方法
JP6702691B2 (ja) * 2015-10-30 2020-06-03 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング及び医用画像処理装置
JP6640530B2 (ja) * 2015-10-30 2020-02-05 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置、医用画像処理装置及び画像処理方法
JP6618786B2 (ja) * 2015-11-17 2019-12-11 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置及び画像処理装置
CN108431624B (zh) * 2015-12-17 2021-05-25 皇家飞利浦有限公司 定量磁化率映射磁共振图像的分割
JP6595393B2 (ja) * 2016-04-04 2019-10-23 株式会社日立製作所 磁気共鳴イメージング装置、及び、画像処理方法
JP6608764B2 (ja) * 2016-05-25 2019-11-20 株式会社日立製作所 磁気共鳴イメージング装置、磁気共鳴イメージング方法及び磁化率算出プログラム
JP6679467B2 (ja) * 2016-11-07 2020-04-15 株式会社日立製作所 磁気共鳴イメージング装置および酸素摂取率算出方法
CN107126211B (zh) * 2017-06-07 2021-06-01 上海联影医疗科技股份有限公司 磁共振成像方法和系统
JP2020130867A (ja) * 2019-02-25 2020-08-31 株式会社日立製作所 核磁気共鳴装置および体動補正方法
US12045956B2 (en) * 2021-06-04 2024-07-23 GE Precision Healthcare LLC Nonuniformity correction systems and methods of diffusion-weighted magnetic resonance images
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

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US6501272B1 (en) * 1998-06-17 2002-12-31 Magnetic Resonance Innovations, Inc. Application-specific optimization of echo time in MR pulse sequences for investigating materials with susceptibilities different from that of the background in which they are embedded
US6658280B1 (en) * 2002-05-10 2003-12-02 E. Mark Haacke Susceptibility weighted imaging
JP5184049B2 (ja) * 2007-10-30 2013-04-17 株式会社日立製作所 磁気共鳴検査装置及び高周波パルス波形算出方法
WO2009094304A2 (en) * 2008-01-23 2009-07-30 The Regents Of The University Of Colorado Susceptibility weighted magnetic resonance imaging of venous vasculature
EP2380492B1 (en) * 2008-12-26 2021-01-27 National University Corporation Kumamoto University Phase difference enhanced imaging method (padre), phase difference enhanced imaging program, phase difference enhanced imaging apparatus, and magnetic resonance imaging (mri) apparatus
CN103764025B (zh) * 2011-10-12 2015-12-09 株式会社日立制作所 磁共振成像装置以及磁化率强调图像生成方法
WO2014076808A1 (ja) * 2012-11-16 2014-05-22 株式会社日立製作所 磁気共鳴イメージング装置および定量的磁化率マッピング法

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US9709641B2 (en) 2017-07-18
US20150084628A1 (en) 2015-03-26

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