FI913919A - Tidomraodesfiltrering foer nmr fasgruppavbildning. - Google Patents

Tidomraodesfiltrering foer nmr fasgruppavbildning. Download PDF

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Publication number
FI913919A
FI913919A FI913919A FI913919A FI913919A FI 913919 A FI913919 A FI 913919A FI 913919 A FI913919 A FI 913919A FI 913919 A FI913919 A FI 913919A FI 913919 A FI913919 A FI 913919A
Authority
FI
Finland
Prior art keywords
tidomraodesfiltrering
fasgruppavbildning
foer
nmr
tidomraodesfiltrering foer
Prior art date
Application number
FI913919A
Other languages
English (en)
Other versions
FI913919A0 (fi
Inventor
Peter Bernard Roemer
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of FI913919A0 publication Critical patent/FI913919A0/fi
Publication of FI913919A publication Critical patent/FI913919A/fi

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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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels

Landscapes

  • Physics & Mathematics (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)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Radar Systems Or Details Thereof (AREA)
FI913919A 1990-08-20 1991-08-19 Tidomraodesfiltrering foer nmr fasgruppavbildning. FI913919A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/570,247 US5086275A (en) 1990-08-20 1990-08-20 Time domain filtering for nmr phased array imaging

Publications (2)

Publication Number Publication Date
FI913919A0 FI913919A0 (fi) 1991-08-19
FI913919A true FI913919A (fi) 1992-02-21

Family

ID=24278855

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913919A FI913919A (fi) 1990-08-20 1991-08-19 Tidomraodesfiltrering foer nmr fasgruppavbildning.

Country Status (6)

Country Link
US (1) US5086275A (fi)
EP (1) EP0472390A3 (fi)
JP (1) JPH0734794B2 (fi)
CA (1) CA2042276A1 (fi)
FI (1) FI913919A (fi)
IL (1) IL99156A0 (fi)

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US5138260A (en) * 1990-11-21 1992-08-11 Picker International, Inc. Computer controlled switching of multiple rf coils
US5221900A (en) * 1991-04-30 1993-06-22 Hewlett-Packard Company Magnet structure for focusing of magnetic resonance images
US5268640A (en) * 1992-04-02 1993-12-07 Toshiba America Mri, Inc. Method and apparatus for the formation of a plurality of NMR images, each having a different characteristic, of the same slice, in a single sequence
DE4232827B4 (de) * 1992-09-30 2004-08-05 Siemens Ag Zirkular polarisierte Lokal-Antennenanordnung für ein Kernspintomographiegerät
AU2370092A (en) * 1992-11-02 1994-05-24 Consiglio Nazionale Delle Ricerche A system for producing high-resolution magnetic resonance images with a short measurement time
US5412322A (en) * 1993-06-24 1995-05-02 Wollin Ventures, Inc. Apparatus and method for spatially ordered phase encoding and for determining complex permittivity in magnetic resonance by using superimposed time-varying electric fields
US5399970A (en) * 1993-08-11 1995-03-21 Board Of Trustees Of The Leland Stanford Junior University Phase-contrast MRI using phased-array multicoil
DE69527122T2 (de) * 1994-04-08 2003-01-09 Koninkl Philips Electronics Nv Verfahren und vorrichtung zur bilderzeugung mittels magnetischer resonanz
DE4412446C2 (de) * 1994-04-12 1996-09-12 Bruker Medizintech Verfahren und Vorrichtung zur Erstellung eines NMR-Tomographiebildes
DE4444061A1 (de) * 1994-12-10 1996-06-13 Philips Patentverwaltung MR-Verfahren zur Bestimmung der Kernmagnetisierungsverteilung mit einer Oberflächenspulen-Anordnung
US5804969A (en) * 1995-07-28 1998-09-08 Advanced Mammography Systems, Inc. MRI RF coil
US5666055A (en) * 1995-10-02 1997-09-09 Jones; Randall W. Surface coil system for a single channel NMR receiver
US6956371B2 (en) 1995-10-12 2005-10-18 Halliburton Energy Services, Inc. Method and apparatus for detecting diffusion sensitive phases with estimation of residual error in NMR logs
US5910728A (en) * 1996-11-12 1999-06-08 Beth Israel Deaconess Medical Center Simultaneous acquisition of spatial harmonics (SMASH): ultra-fast imaging with radiofrequency coil arrays
WO2000050924A1 (en) 1999-02-26 2000-08-31 Purdue Research Foundation Nuclear magnetic resonance analysis of multiple samples
US6469506B1 (en) * 1999-11-19 2002-10-22 Mayo Foundation For Medical Education And Research Autocorrection of MR images acquired using phased-array coils
US6476606B2 (en) * 1999-12-03 2002-11-05 Johns Hopkins University Method for parallel spatial encoded MRI and apparatus, systems and other methods related thereto
US6541969B2 (en) 1999-12-15 2003-04-01 Halliburton Energy Services, Inc. Method and apparatus for improving the vertical resolution of NMR logs
KR100892227B1 (ko) * 2001-02-09 2009-04-09 코닌클리케 필립스 일렉트로닉스 엔.브이. 자기 공명 이미징 장치
DE10118195C1 (de) * 2001-04-11 2002-11-07 Siemens Ag Verwendung eines Schaltelements zum Schalten in einem Kernspintomographie-Gerät und Kernspintomographie-Gerät
US6738501B2 (en) * 2001-04-13 2004-05-18 Ge Medical Systems Global Technology Co., Llc Adaptive data differentiation and selection from multi-coil receiver to reduce artifacts in reconstruction
GB2374672A (en) * 2001-04-20 2002-10-23 Marconi Medical Systems Uk Ltd Magnetic Resonance Imaging
DE10128534C2 (de) * 2001-06-13 2003-04-30 Siemens Ag Verfahren zur Bilderzeugung mittels magnetischer Resonanz mit mehreren Empfangsantennen
DE10130071A1 (de) * 2001-06-21 2003-02-13 Philips Corp Intellectual Pty MR-Verfahren und MR-Anordnung mit Mitteln zur Korrektur von Positions- und/oder Lageänderungen von Spulen
US6671536B2 (en) * 2001-09-25 2003-12-30 Wisconsin Alumni Research Foundation Magnetic resonance angiography using floating table projection imaging
US6771071B1 (en) * 2001-11-06 2004-08-03 The Texas A&M University System Magnetic resonance imaging using a reduced number of echo acquisitions
WO2003052440A2 (en) * 2001-12-17 2003-06-26 Koninklijke Philips Electronics N.V. Magnetic resonance method
GB0202320D0 (en) * 2002-01-31 2002-03-20 Univ London Magnetic resonance imaging
US7405564B2 (en) * 2003-01-20 2008-07-29 Koninklijke Philips Electronics N.V. Sub-sampled moving table MRI for at least two adjacent fields of view
WO2005022184A1 (en) * 2003-08-27 2005-03-10 Koninklijke Philips Electronics N.V. Determination of spatial sensitivity profiles of rf coils in magnetic resonance imaging
JP4607928B2 (ja) * 2004-04-23 2011-01-05 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 画像生成方法およびｍｒｉ装置
US7898252B2 (en) * 2005-03-10 2011-03-01 University Of Queensland Phased array coil for MRI
US7106062B1 (en) * 2005-05-06 2006-09-12 General Electric Company Method and system for reducing coupling in magnetic resonance RF coil arrays
US7230424B1 (en) 2005-06-17 2007-06-12 Fonar Corporation Magnetic resonance imaging
CA2626678A1 (en) * 2005-10-18 2007-04-26 Tursiop Technologies, Llc Method and apparatus for high-gain magnetic resonance imaging
US7816918B2 (en) * 2007-05-24 2010-10-19 The Johns Hopkins University Optimized MRI strip array detectors and apparatus, systems and methods related thereto
DE102011005111B4 (de) * 2011-03-04 2013-08-22 Siemens Aktiengesellschaft Betriebsverfahren für eine Lokalspule mit optimierter Datenübertragung
JP5815390B2 (ja) * 2011-12-08 2015-11-17 ルネサスエレクトロニクス株式会社 半導体装置及び画像処理方法
US9791535B2 (en) 2012-05-16 2017-10-17 Wollin Ventures, Inc. Apparatus and method for mapping and measurement of spatially and temporally distributed induced small phase deviations in magnetic resonance utilizing deconvolution
JP6320746B2 (ja) * 2013-12-25 2018-05-09 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
WO2015164631A1 (en) * 2014-04-23 2015-10-29 The General Hospital Corporation Body-coil-constrined reconstruction of undersampled magnetic resonance imaging data
JP7221681B2 (ja) * 2018-12-28 2023-02-14 キヤノンメディカルシステムズ株式会社 画像再構成方法、再構成装置、及び磁気共鳴イメージング装置

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CA1052861A (en) * 1975-03-18 1979-04-17 Varian Associates Gyromagnetic resonance fourier transform zeugmatography
GB1580787A (en) * 1976-04-14 1980-12-03 Mansfield P Nuclear magnetic resonance apparatus and methods
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NL8702700A (nl) * 1987-11-12 1989-06-01 Philips Nv Werkwijze en inrichting voor automatische fasecorrectie van complexe nmr spectra.
US4885541A (en) * 1988-08-19 1989-12-05 General Electric Company Apparatus and method for enhanced multiple coil nuclear magnetic resonance (NMR) imaging
DE3853356T2 (de) * 1987-12-07 1995-10-26 Gen Electric Magnetische Kernresonanz(NMR)-Bildgebung mit mehreren Oberflächenspulen.
US4825162A (en) * 1987-12-07 1989-04-25 General Electric Company Nuclear magnetic resonance (NMR) imaging with multiple surface coils
JPH01207044A (ja) * 1988-02-15 1989-08-21 Yokogawa Medical Syst Ltd 核磁気共鳴画像診断装置の受信装置
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
US4871969A (en) * 1988-12-22 1989-10-03 General Electric Company RF shield for RF coil contained within gradient coils of NMR imaging device
US5208534A (en) * 1989-08-09 1993-05-04 Kabushiki Kaisha Toshiba Magnetic resonance imaging system
JP3135592B2 (ja) * 1990-02-28 2001-02-19 株式会社東芝 磁気共鳴映像装置

Also Published As

Publication number Publication date
FI913919A0 (fi) 1991-08-19
CA2042276A1 (en) 1992-02-21
EP0472390A3 (en) 1992-09-16
JPH05115455A (ja) 1993-05-14
JPH0734794B2 (ja) 1995-04-19
EP0472390A2 (en) 1992-02-26
IL99156A0 (en) 1992-07-15
US5086275A (en) 1992-02-04

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