KR20150143329A - 자기 공명 영상화 방법 - Google Patents

자기 공명 영상화 방법 Download PDF

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Publication number
KR20150143329A
KR20150143329A KR1020150081703A KR20150081703A KR20150143329A KR 20150143329 A KR20150143329 A KR 20150143329A KR 1020150081703 A KR1020150081703 A KR 1020150081703A KR 20150081703 A KR20150081703 A KR 20150081703A KR 20150143329 A KR20150143329 A KR 20150143329A
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KR
South Korea
Prior art keywords
magnetic resonance
image data
map
subject
resonance image
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KR1020150081703A
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English (en)
Korean (ko)
Inventor
슈테판 비버
다니엘 니더뢰너
안드레아스 슈밋트
마르쿠스 페스터
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지멘스 악티엔게젤샤프트
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Ceased legal-status Critical Current

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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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • 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
    • 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
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat 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
    • G01R33/565—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)
  • Health & Medical Sciences (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Signal Processing (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
KR1020150081703A 2014-06-13 2015-06-10 자기 공명 영상화 방법 Ceased KR20150143329A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014211354.7A DE102014211354A1 (de) 2014-06-13 2014-06-13 Verfahren zur Magnetresonanz-Bildgebung
DE102014211354.7 2014-06-13

Publications (1)

Publication Number Publication Date
KR20150143329A true KR20150143329A (ko) 2015-12-23

Family

ID=54706635

Family Applications (1)

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KR1020150081703A Ceased KR20150143329A (ko) 2014-06-13 2015-06-10 자기 공명 영상화 방법

Country Status (5)

Country Link
US (1) US20150362578A1 (enExample)
JP (1) JP2016002464A (enExample)
KR (1) KR20150143329A (enExample)
CN (1) CN105167773A (enExample)
DE (1) DE102014211354A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013216529B4 (de) * 2013-08-21 2019-05-23 Siemens Healthcare Gmbh Verfahren insbesondere zur patientenadaptiven B0-Homogenisierung von MR-Systemen unter Verwendung unterschiedlicher Typen von Shim-Spulen
EP3351956B1 (de) 2017-01-19 2022-03-16 Siemens Healthcare GmbH Verfahren zur klassifikation von mittels einer magnetresonanz- fingerprinting methode von einem untersuchungsobjekt erfassten magnetresonanz-messdaten
DE102017215002A1 (de) 2017-08-28 2019-02-28 Siemens Healthcare Gmbh Verfahren zur Aufnahme einer B0-Karte mit einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
DE102017221830A1 (de) 2017-12-04 2019-06-06 Siemens Healthcare Gmbh Charakterisierung eines Störkörpers innerhalb eines Untersuchungsobjektes anhand eines medizinischen Bilddatensatzes
EP3591418A1 (en) 2018-07-03 2020-01-08 Koninklijke Philips N.V. Mri method for b0-mapping
JP7140606B2 (ja) * 2018-08-29 2022-09-21 富士フイルムヘルスケア株式会社 画像処理装置、画像処理方法、画像処理プログラム及び磁気共鳴イメージング装置
CN110074786B (zh) * 2019-04-30 2022-12-06 上海东软医疗科技有限公司 核磁共振匀场方法、装置、计算设备及核磁共振成像系统
CN113466765B (zh) * 2020-03-31 2024-12-10 通用电气精准医疗有限责任公司 磁共振扫描方法及系统、计算机可读存储介质
DE102021210969A1 (de) * 2021-09-30 2023-03-30 Siemens Healthcare Gmbh Ansteuerung eines Magnetresonanzgerätes mit Sättigung
EP4273569B1 (en) * 2022-05-04 2025-07-02 Siemens Healthineers AG Method for generating a subject-specific map of a tissue property

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6064208A (en) * 1998-04-02 2000-05-16 Picker International, Inc. Two-peak alignment method of field shimming
JP4991704B2 (ja) * 2006-03-31 2012-08-01 株式会社日立メディコ 磁気共鳴イメージング装置及び方法
JP5214209B2 (ja) * 2007-10-17 2013-06-19 株式会社日立メディコ 磁気共鳴イメージング装置
WO2011127942A1 (en) * 2010-04-14 2011-10-20 Universitätsklinikum Freiburg Method for correcting susceptibility-induced image artifacts in mri after prospective motion correction
CN103238082B (zh) * 2010-12-02 2015-07-15 皇家飞利浦电子股份有限公司 使用多点Dixon技术和低分辨率校准的MR成像
EP2461175A1 (en) * 2010-12-02 2012-06-06 Koninklijke Philips Electronics N.V. MR imaging using a multi-point Dixon technique
JP5917077B2 (ja) * 2011-10-13 2016-05-11 株式会社東芝 磁気共鳴イメージング装置
EP2610632A1 (en) * 2011-12-29 2013-07-03 Koninklijke Philips Electronics N.V. MRI with Dixon-type water/fat separation and prior knowledge about inhomogeneity of the main magnetic field
EP2626718A1 (en) * 2012-02-09 2013-08-14 Koninklijke Philips Electronics N.V. MRI with motion correction using navigators acquired using a Dixon technique
DE102015200695B4 (de) * 2015-01-19 2016-08-18 Siemens Healthcare Gmbh Generieren von Steuerinformationen für eine Magnetresonanz-Bildgebung unter Verwendung mehrerer Frequenzspektren von verschiedenen Spulenelementen
DE102015204955B4 (de) * 2015-03-19 2019-05-16 Siemens Healthcare Gmbh Verfahren zur Magnetresonanz-Bildgebung
DE102015204953B3 (de) * 2015-03-19 2016-08-11 Siemens Healthcare Gmbh Verfahren zur Magnetresonanz-Bildgebung

Also Published As

Publication number Publication date
JP2016002464A (ja) 2016-01-12
DE102014211354A1 (de) 2015-12-17
CN105167773A (zh) 2015-12-23
US20150362578A1 (en) 2015-12-17

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