DE3687768D1 - Verfahren und vorrichtung fuer schnelle nmr-abbildung. - Google Patents

Verfahren und vorrichtung fuer schnelle nmr-abbildung.

Info

Publication number
DE3687768D1
DE3687768D1 DE8686305010T DE3687768T DE3687768D1 DE 3687768 D1 DE3687768 D1 DE 3687768D1 DE 8686305010 T DE8686305010 T DE 8686305010T DE 3687768 T DE3687768 T DE 3687768T DE 3687768 D1 DE3687768 D1 DE 3687768D1
Authority
DE
Germany
Prior art keywords
nmr imaging
fast nmr
fast
imaging
nmr
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8686305010T
Other languages
English (en)
Other versions
DE3687768T2 (de
Inventor
Masahiko Hatanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3687768D1 publication Critical patent/DE3687768D1/de
Publication of DE3687768T2 publication Critical patent/DE3687768T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
    • 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
    • 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
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

Landscapes

  • Physics & Mathematics (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)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
DE8686305010T 1985-07-04 1986-06-27 Verfahren und vorrichtung fuer schnelle nmr-abbildung. Expired - Lifetime DE3687768T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60147770A JPS628747A (ja) 1985-07-04 1985-07-04 磁気共鳴映像装置

Publications (2)

Publication Number Publication Date
DE3687768D1 true DE3687768D1 (de) 1993-03-25
DE3687768T2 DE3687768T2 (de) 1993-06-09

Family

ID=15437783

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686305010T Expired - Lifetime DE3687768T2 (de) 1985-07-04 1986-06-27 Verfahren und vorrichtung fuer schnelle nmr-abbildung.

Country Status (6)

Country Link
US (1) US4745364A (de)
EP (1) EP0208483B1 (de)
JP (1) JPS628747A (de)
AU (1) AU582874B2 (de)
CA (1) CA1258882A (de)
DE (1) DE3687768T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0755219B2 (ja) * 1985-10-28 1995-06-14 株式会社島津製作所 Ｍｒｉ装置
KR880701374A (ko) * 1986-04-23 1988-07-26 원본미기재 볼륨-선택형 nmr 분광 분석방법
IL82878A0 (en) * 1986-06-18 1987-12-20 Philips Nv Method of and device for reconstructing a nuclear magnetization distribution from a partial magnetic resonance measurement
US4912412A (en) * 1987-02-27 1990-03-27 Hitachi, Ltd. MR imaging method and apparatus
US4833407A (en) * 1987-06-24 1989-05-23 Picker International, Inc. Scan time reduction using conjugate symmetry and recalled echo
JP2686744B2 (ja) * 1987-07-22 1997-12-08 ジーイー横河メディカルシステム株式会社 画像再構成装置
US4851779A (en) * 1987-08-14 1989-07-25 Picker International, Inc. Three dimensional volume imaging with conjugate symmetrization
US4780675A (en) * 1987-08-14 1988-10-25 Picker International, Inc. Conjugate symmetry magnetic resonance imaging
US4912413A (en) * 1987-08-14 1990-03-27 Picker International, Inc. Conjugate symmetry magnetic resonance imaging
US4831329A (en) * 1988-01-11 1989-05-16 Kabushiki Kaisha Toshiba Method and apparatus to correct for a phase error in central section magnetic resonance imaging data
JP2644831B2 (ja) * 1988-07-06 1997-08-25 株式会社日立製作所 Ｎｍｒイメージングにおける画像再構成方法
JPH02159252A (ja) * 1988-12-14 1990-06-19 Hitachi Ltd 磁気共鳴イメージング装置における画像再構成方法
US5001428A (en) * 1989-08-21 1991-03-19 General Electric Company Method for mapping the RF transmit and receive field in an NMR system
US5099208A (en) * 1989-10-05 1992-03-24 Vanderbilt University Method for magnetic resonance imaging and related apparatus
JPH04364829A (ja) * 1990-02-15 1992-12-17 Toshiba Corp 磁気共鳴画像処理方法及び装置
JPH05269106A (ja) * 1991-08-12 1993-10-19 Toshiba Corp 磁気共鳴方法および装置
US7071689B2 (en) * 2002-12-04 2006-07-04 The Johns Hopkins University Methods for multiple acquisitions with global inversion cycling for vascular-space-occupancy dependant and apparatuses and devices related thereto
DE102006054600B4 (de) * 2006-11-20 2008-08-14 Siemens Ag Verfahren zur Phasenkorrektur von Magnet-Resonanz-Spektren, Magnet-Resonanz-Gerät und Computer-Software hierzu
US8952693B2 (en) * 2011-04-22 2015-02-10 Mayo Foundation For Medical Education And Research Method for principal frequency magnetic resonance elastography inversion
US10132890B2 (en) * 2016-03-18 2018-11-20 Wisconsin Alumni Research Foundation System and method for controlling undesired magnetic field effects in magnetic resonance imaging

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824451A (en) * 1972-11-15 1974-07-16 Varian Associates Pulse modulated fourier transform magnetic resonance spectrometer utilizing quadrature phase detection and high pass filter to eliminate undesired strong resonance lines
GB1496886A (en) * 1974-04-08 1978-01-05 Nat Res Dev Nuclear magnetic resonance apparatus
CA1052861A (en) * 1975-03-18 1979-04-17 Varian Associates Gyromagnetic resonance fourier transform zeugmatography
JPS5828542B2 (ja) * 1979-07-16 1983-06-16 日本電子株式会社 掃引型核磁気共鳴装置
DE3135335A1 (de) * 1981-09-07 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographie-verfahren
JPS58116344A (ja) * 1981-12-28 1983-07-11 株式会社東芝 診断用核磁気共鳴装置
JPS5938636A (ja) * 1982-08-28 1984-03-02 Toshiba Corp 核磁気共鳴装置
NL8203519A (nl) * 1982-09-10 1984-04-02 Philips Nv Werkwijze en inrichting voor het bepalen van een kernmagnetisatieverdeling in een deel van een lichaam.

Also Published As

Publication number Publication date
EP0208483A2 (de) 1987-01-14
DE3687768T2 (de) 1993-06-09
JPS628747A (ja) 1987-01-16
US4745364A (en) 1988-05-17
EP0208483B1 (de) 1993-02-17
EP0208483A3 (en) 1988-09-14
CA1258882A (en) 1989-08-29
AU5973386A (en) 1987-01-08
AU582874B2 (en) 1989-04-13
JPH0451171B2 (de) 1992-08-18

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