JP6371554B2 - 磁気共鳴イメージング装置 - Google Patents

磁気共鳴イメージング装置 Download PDF

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Publication number
JP6371554B2
JP6371554B2 JP2014068829A JP2014068829A JP6371554B2 JP 6371554 B2 JP6371554 B2 JP 6371554B2 JP 2014068829 A JP2014068829 A JP 2014068829A JP 2014068829 A JP2014068829 A JP 2014068829A JP 6371554 B2 JP6371554 B2 JP 6371554B2
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magnetic resonance
image
parameter
magnetic field
resonance imaging
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Japanese (ja)
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JP2015188635A (ja
JP2015188635A5 (enExample
Inventor
陽 谷口
陽 谷口
亨 白猪
亨 白猪
俊 横沢
俊 横沢
眞次 黒川
眞次 黒川
久晃 越智
久晃 越智
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2014068829A priority Critical patent/JP6371554B2/ja
Priority to US14/609,846 priority patent/US10401444B2/en
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Publication of JP2015188635A5 publication Critical patent/JP2015188635A5/ja
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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
    • G01R33/24—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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
    • 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
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • G01R33/5614—Generating steady state signals, e.g. low flip angle sequences [FLASH] using a fully balanced steady-state free precession [bSSFP] pulse sequence, e.g. trueFISP

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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)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2014068829A 2014-03-28 2014-03-28 磁気共鳴イメージング装置 Active JP6371554B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014068829A JP6371554B2 (ja) 2014-03-28 2014-03-28 磁気共鳴イメージング装置
US14/609,846 US10401444B2 (en) 2014-03-28 2015-01-30 Magnetic resonance imaging apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014068829A JP6371554B2 (ja) 2014-03-28 2014-03-28 磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2015188635A JP2015188635A (ja) 2015-11-02
JP2015188635A5 JP2015188635A5 (enExample) 2016-08-18
JP6371554B2 true JP6371554B2 (ja) 2018-08-08

Family

ID=54190004

Family Applications (1)

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JP2014068829A Active JP6371554B2 (ja) 2014-03-28 2014-03-28 磁気共鳴イメージング装置

Country Status (2)

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US (1) US10401444B2 (enExample)
JP (1) JP6371554B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110133553A (zh) * 2019-05-10 2019-08-16 浙江大学 一种超短回波时间磁共振指纹弛豫时间测量方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US12452416B2 (en) * 2016-01-22 2025-10-21 Spike Vision (Beijing) Technology Co., Ltd. Generating image based on pulse sequences obtained from encoded information
JP6613161B2 (ja) * 2016-02-09 2019-11-27 株式会社エム・アール・テクノロジー Ｍｒｉシミュレーションシステム
JP6609226B2 (ja) * 2016-07-28 2019-11-20 株式会社日立製作所 磁気共鳴イメージング装置、及び、定量値算出プログラム
DE102016216920A1 (de) * 2016-09-07 2018-03-08 Siemens Healthcare Gmbh Verfahren zu einer Bestimmung eines Ähnlichkeitsparameters für ein Ursprungsprotokoll mit einem Referenzprotokoll
JP7039194B2 (ja) * 2017-06-26 2022-03-22 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および医用画像処理装置
US10888246B2 (en) * 2017-07-18 2021-01-12 Synthetic Mr Ab Method and system for generating a contrast enhancement map
EP3575813B1 (en) * 2018-05-30 2022-06-29 Siemens Healthcare GmbH Quantitative mapping of a magnetic resonance imaging parameter by data-driven signal-model learning
CN109814056B (zh) * 2019-02-01 2020-11-10 沈阳工业大学 一种获取磁共振精准定量图像的方法
CN111025210B (zh) * 2019-12-20 2022-02-01 东软医疗系统股份有限公司 磁共振成像方法、装置、电子设备、存储介质
JP2023038799A (ja) * 2021-09-07 2023-03-17 キヤノンメディカルシステムズ株式会社 データ処理装置、磁気共鳴イメージング装置及びデータ処理方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7439740B1 (en) * 2007-05-04 2008-10-21 The Board Of Trustees Of The Leland Stanford Junior University Artifact reduction in steady-state free precession imaging
US8148981B2 (en) * 2007-12-20 2012-04-03 Kabushiki Kaisha Toshiba MRI apparatus and MRI method for SSFP with center frequency and 1st order gradient moments zeroed
JP5502308B2 (ja) * 2007-12-20 2014-05-28 株式会社東芝 磁気共鳴イメージング装置
JP5449903B2 (ja) * 2009-07-29 2014-03-19 株式会社日立メディコ 磁気共鳴イメージング装置
US20120006870A1 (en) * 2010-07-07 2012-01-12 Jeff James Proctor Support structure for electronic visual display device
DE102010041212B4 (de) * 2010-09-22 2012-07-26 Siemens Aktiengesellschaft Kompensation von Echozeit-unabhängigen Phasen- oder Magnitudenanteilen in aufgenommenen MR-Bilddaten
WO2012124375A1 (ja) * 2011-03-16 2012-09-20 株式会社 日立製作所 磁気共鳴イメージング装置
EP2511726A1 (en) * 2011-04-13 2012-10-17 Klinikum rechts der Isar der Technischen Universität München A method and system for determining the flip angle in the transient phase of a gradient echo pulse sequence
US9316707B2 (en) * 2012-04-18 2016-04-19 General Electric Company System and method of receive sensitivity correction in MR imaging
DE102013213592B4 (de) * 2013-07-11 2016-06-09 Siemens Healthcare Gmbh Verfahren zur Ermittlung einer B1-Phasenkarte und Magnetresonanzeinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110133553A (zh) * 2019-05-10 2019-08-16 浙江大学 一种超短回波时间磁共振指纹弛豫时间测量方法
CN110133553B (zh) * 2019-05-10 2020-06-05 浙江大学 一种超短回波时间磁共振指纹弛豫时间测量方法

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Publication number Publication date
US20150276903A1 (en) 2015-10-01
JP2015188635A (ja) 2015-11-02
US10401444B2 (en) 2019-09-03

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