DE68927107D1 - Verminderung von bewegungsartefakten bei der bilderzeugung mittels magnetischer kernresonanz - Google Patents

Verminderung von bewegungsartefakten bei der bilderzeugung mittels magnetischer kernresonanz

Info

Publication number
DE68927107D1
DE68927107D1 DE68927107T DE68927107T DE68927107D1 DE 68927107 D1 DE68927107 D1 DE 68927107D1 DE 68927107 T DE68927107 T DE 68927107T DE 68927107 T DE68927107 T DE 68927107T DE 68927107 D1 DE68927107 D1 DE 68927107D1
Authority
DE
Germany
Prior art keywords
reduction
magnetic core
image generation
movement artifacts
core resonance
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
DE68927107T
Other languages
English (en)
Other versions
DE68927107T2 (de
Inventor
Richard Ehman
Joel Felmlee
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.)
Mayo Foundation for Medical Education and Research
Original Assignee
Mayo Foundation for Medical Education and Research
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 Mayo Foundation for Medical Education and Research filed Critical Mayo Foundation for Medical Education and Research
Publication of DE68927107D1 publication Critical patent/DE68927107D1/de
Application granted granted Critical
Publication of DE68927107T2 publication Critical patent/DE68927107T2/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
    • G01R33/54—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
    • G01R33/5676—Gating or triggering based on an MR signal, e.g. involving one or more navigator echoes for motion monitoring and correction
DE68927107T 1988-11-23 1989-11-14 Verminderung von bewegungsartefakten bei der bilderzeugung mittels magnetischer kernresonanz Expired - Lifetime DE68927107T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US27616888A 1988-11-23 1988-11-23
US07/365,632 US4937526A (en) 1988-11-23 1989-06-13 Adaptive method for reducing motion and flow artifacts in NMR images
PCT/US1989/004945 WO1990005920A1 (en) 1988-11-23 1989-11-14 Reducing motion artifacts in nmr images

Publications (2)

Publication Number Publication Date
DE68927107D1 true DE68927107D1 (de) 1996-10-10
DE68927107T2 DE68927107T2 (de) 1997-04-03

Family

ID=26957819

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927107T Expired - Lifetime DE68927107T2 (de) 1988-11-23 1989-11-14 Verminderung von bewegungsartefakten bei der bilderzeugung mittels magnetischer kernresonanz

Country Status (5)

Country Link
US (1) US4937526A (de)
EP (1) EP0445151B1 (de)
JP (1) JP2974759B2 (de)
DE (1) DE68927107T2 (de)
WO (1) WO1990005920A1 (de)

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DE69934482T2 (de) * 1998-02-11 2007-09-27 Non-Invasive Technology, Inc. Nachweis, abbildung und kennzeichnung von brustumoren
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US6586935B1 (en) * 2000-03-31 2003-07-01 Ge Medical Technology Services, Inc. Magnetic resonance image artifact correction using navigator echo information
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JP4141147B2 (ja) * 2002-02-01 2008-08-27 株式会社日立メディコ 磁気共鳴イメージング装置
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JP4133348B2 (ja) * 2003-01-07 2008-08-13 株式会社日立メディコ 核磁気共鳴を用いた検査装置
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US9033510B2 (en) 2011-03-30 2015-05-19 Carl Zeiss Meditec, Inc. Systems and methods for efficiently obtaining measurements of the human eye using tracking
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CN103315739B (zh) * 2013-05-22 2015-08-19 华东师范大学 基于动态跟踪技术免除运动伪影的磁共振影像方法和系统
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DE102014210471B4 (de) 2014-06-03 2018-11-08 Siemens Healthcare Gmbh Verfahren zum Durchführen einer Magnetresonanzuntersuchung mit einer prospektiven Bewegungskorrektur und Magnetresonanzanlage hierfür
JP6708525B2 (ja) * 2016-08-31 2020-06-10 株式会社日立製作所 磁気共鳴測定装置および画像処理方法
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Also Published As

Publication number Publication date
EP0445151A4 (en) 1991-10-30
WO1990005920A1 (en) 1990-05-31
EP0445151B1 (de) 1996-09-04
JP2974759B2 (ja) 1999-11-10
JPH04503314A (ja) 1992-06-18
EP0445151A1 (de) 1991-09-11
US4937526A (en) 1990-06-26
DE68927107T2 (de) 1997-04-03

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: LIPPERT, H., DIPL.-ING., PAT.-ANW., 60322 FRANKFURT

8328 Change in the person/name/address of the agent

Representative=s name: HML, 80799 MUENCHEN