DE69938952D1 - Verfahren für die dreidimensionale Magnetresonanzbildgebung mit Segmentierung des k-Raums - Google Patents

Verfahren für die dreidimensionale Magnetresonanzbildgebung mit Segmentierung des k-Raums

Info

Publication number
DE69938952D1
DE69938952D1 DE69938952T DE69938952T DE69938952D1 DE 69938952 D1 DE69938952 D1 DE 69938952D1 DE 69938952 T DE69938952 T DE 69938952T DE 69938952 T DE69938952 T DE 69938952T DE 69938952 D1 DE69938952 D1 DE 69938952D1
Authority
DE
Germany
Prior art keywords
segmentation
space
magnetic resonance
resonance imaging
dimensional magnetic
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
DE69938952T
Other languages
English (en)
Inventor
Jason A Polzin
Jie Feng Shen
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69938952D1 publication Critical patent/DE69938952D1/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
    • 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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
    • 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
    • G01R33/4822—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 in three dimensions

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Physiology (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Power Engineering (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Pulmonology (AREA)
  • Cardiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69938952T 1998-08-14 1999-08-03 Verfahren für die dreidimensionale Magnetresonanzbildgebung mit Segmentierung des k-Raums Expired - Lifetime DE69938952D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/134,501 US6201985B1 (en) 1998-08-14 1998-08-14 Segmented k-space method for three-dimensional MR imaging

Publications (1)

Publication Number Publication Date
DE69938952D1 true DE69938952D1 (de) 2008-08-07

Family

ID=22463680

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69938952T Expired - Lifetime DE69938952D1 (de) 1998-08-14 1999-08-03 Verfahren für die dreidimensionale Magnetresonanzbildgebung mit Segmentierung des k-Raums

Country Status (6)

Country Link
US (1) US6201985B1 (de)
EP (1) EP0981058B1 (de)
JP (1) JP4547053B2 (de)
KR (1) KR20000017246A (de)
CN (1) CN1245047A (de)
DE (1) DE69938952D1 (de)

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DE19924448A1 (de) * 1999-05-28 2000-12-07 Siemens Ag Verfahren zur Gewinnung von zeit- und ortsaufgelösten dreidimensionalen Datensätzen mittels der magnetischen Resonanz und Vorrichtung zur Durchführung des Verfahrens
DE10021496C2 (de) * 2000-05-03 2002-12-05 Siemens Ag Verfahren und Kernspintomographiegerät zur Durchführung dieses Verfahrens zur Erzeugung eines Kernspinbildes eines Objektes mit verschiedenen Pulssequenzen im k-Raum
JP3853585B2 (ja) * 2000-10-11 2006-12-06 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 Ｍｒｉ装置
US6459264B1 (en) * 2001-02-22 2002-10-01 Mayo Foundation For Medical Education And Research Real-time embedded magnetic resonance fluoroscopy
WO2002075584A1 (en) * 2001-03-19 2002-09-26 B.S.P. Biological Signal Processing Ltd. Apparatus and method for efficient representation of periodic and nearly periodic signals for analysis
JP3814157B2 (ja) * 2001-04-17 2006-08-23 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 Ｍｒｉ装置
US7797031B1 (en) * 2002-05-17 2010-09-14 General Electric Company Method and apparatus for breath-held MR data acquisition using interleaved acquisition
JP3995542B2 (ja) * 2002-06-28 2007-10-24 東芝医用システムエンジニアリング株式会社 磁気共鳴イメージング装置及び磁気共鳴イメージングのデータ収集方法
US20090140734A1 (en) * 2003-11-13 2009-06-04 Koninklijke Philips Electronics Nv Readout ordering in collection of radial magnetic resonance imaging data
US7941204B1 (en) 2004-11-16 2011-05-10 Yi Wang Magnetic resonance imaging concepts
JP3668816B1 (ja) 2004-12-16 2005-07-06 学校法人慶應義塾 磁気共鳴イメージング装置
DE102005036564A1 (de) * 2005-08-03 2007-02-22 Siemens Ag Betriebsverfahren für eine bildgebende medizintechnische Anlage und hiermit korrespondierende Gegenstände
CN101470178B (zh) * 2007-12-29 2013-06-05 西门子（中国）有限公司 一种抑制残余运动伪影的方法及装置
CN101470179B (zh) * 2007-12-29 2012-06-27 西门子（中国）有限公司 磁共振成像中失真校准的方法和装置
US7880465B2 (en) * 2008-06-04 2011-02-01 General Electric Company Method and apparatus for contrast inflow dynamic MR angiography
CN101865985B (zh) * 2009-04-15 2014-01-15 西门子(深圳)磁共振有限公司 径向重排方法
CN109001660B (zh) * 2018-06-12 2020-07-28 上海联影医疗科技有限公司 电影成像方法及磁共振成像系统
CN109061533B (zh) * 2018-06-29 2021-08-03 深圳安科高技术股份有限公司 一种磁共振成像数据采集方法、装置及存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767991A (en) * 1986-12-03 1988-08-30 Advanced Nmr Systems, Inc. Method of high speed imaging with improved spatial resolution using partial k-space acquisitions
JPH02124141A (ja) * 1988-11-02 1990-05-11 Mitsubishi Electric Corp 磁気共鳴映像装置
US5122747A (en) 1990-11-21 1992-06-16 Mayo Foundation For Medical Education And Research Spiral three-dimensional fourier transform NMR scan
US5348011A (en) * 1991-11-14 1994-09-20 Picker International, Inc. Shared excitation phase encode grouping for improved throughput cardiac gated MRI cine imaging
JPH05207989A (ja) * 1992-01-31 1993-08-20 Shimadzu Corp Ｍｒイメージング法
US5251628A (en) * 1992-06-23 1993-10-12 General Electric Company Variable ECG delay in fast pulse sequence scans
JP3283632B2 (ja) * 1993-06-04 2002-05-20 株式会社日立製作所 核磁気共鳴装置
US5377680A (en) * 1993-08-04 1995-01-03 General Electric Company MRI cardiac image produced by temporal data sharing
US5402067A (en) * 1993-08-04 1995-03-28 Board Of Trustees Of The Leland Stanford Junior University Apparatus and method for rare echo imaging using k-space spiral coverage
US5435303A (en) * 1993-08-04 1995-07-25 General Electric Company MRA image produced by temporal flow data sharing
JP3472615B2 (ja) * 1994-04-19 2003-12-02 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
US5539312A (en) * 1995-02-02 1996-07-23 Mayo Foundation For Medical Education And Research Detection and measurement of motion during NMR imaging using orbital navigator echo signals
JP3532311B2 (ja) * 1995-07-31 2004-05-31 株式会社日立メディコ 磁気共鳴イメージング装置
JP3693766B2 (ja) * 1996-09-03 2005-09-07 株式会社日立メディコ 磁気共鳴イメージング装置
US5830143A (en) * 1997-01-21 1998-11-03 Wisconsin Alumnin Research Foundation Gated time-resolved contrast-enhanced 3D MR angiography
US6451220B1 (en) * 1997-01-21 2002-09-17 Xerox Corporation High density magnetic recording compositions and processes thereof
US5997883A (en) * 1997-07-01 1999-12-07 General Electric Company Retrospective ordering of segmented MRI cardiac data using cardiac phase

Also Published As

Publication number Publication date
CN1245047A (zh) 2000-02-23
EP0981058A2 (de) 2000-02-23
EP0981058A3 (de) 2002-04-03
KR20000017246A (ko) 2000-03-25
JP4547053B2 (ja) 2010-09-22
JP2000060820A (ja) 2000-02-29
EP0981058B1 (de) 2008-06-25
US6201985B1 (en) 2001-03-13

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