JP5027438B2 - 磁気共鳴画像化方法およびプログラム - Google Patents

磁気共鳴画像化方法およびプログラム Download PDF

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Publication number
JP5027438B2
JP5027438B2 JP2006117812A JP2006117812A JP5027438B2 JP 5027438 B2 JP5027438 B2 JP 5027438B2 JP 2006117812 A JP2006117812 A JP 2006117812A JP 2006117812 A JP2006117812 A JP 2006117812A JP 5027438 B2 JP5027438 B2 JP 5027438B2
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Prior art keywords
transmission
trajectory
transmit
coil
reception
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Japanese (ja)
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JP2006297110A5 (enExample
JP2006297110A (ja
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グリスヴォルト マルク
カンネンギーサー シュテファン
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Siemens AG
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Siemens AG
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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
    • G01R33/44—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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • 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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels
    • 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
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency

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  • 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)
JP2006117812A 2005-04-22 2006-04-21 磁気共鳴画像化方法およびプログラム Expired - Fee Related JP5027438B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005018937.7 2005-04-22
DE102005018937A DE102005018937B4 (de) 2005-04-22 2005-04-22 Verfahren und Gerät zur verbesserten sendeseitig beschleunigten PPA-basierten Volumen-selektiven Magnet-Resonanz-Bildgebung sowie Computersoftwareprodukt zur Implementierung des Verfahrens

Publications (3)

Publication Number Publication Date
JP2006297110A JP2006297110A (ja) 2006-11-02
JP2006297110A5 JP2006297110A5 (enExample) 2009-05-28
JP5027438B2 true JP5027438B2 (ja) 2012-09-19

Family

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Family Applications (1)

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JP2006117812A Expired - Fee Related JP5027438B2 (ja) 2005-04-22 2006-04-21 磁気共鳴画像化方法およびプログラム

Country Status (4)

Country Link
US (1) US7558614B2 (enExample)
JP (1) JP5027438B2 (enExample)
CN (1) CN1851494B (enExample)
DE (1) DE102005018937B4 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005018814B4 (de) * 2005-04-22 2007-06-06 Siemens Ag Verfahren zur MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren sowie korrespondierendes Gerät und Computersoftwareprodukt
KR100726739B1 (ko) * 2006-01-16 2007-06-11 한국과학기술원 방사형 케이-공간 경로법을 이용한 병렬 자기 공명 영상획득 방법, 그 장치 및 이를 실행하기 위한 컴퓨터로 읽을수 있는 기록매체.
US7439739B2 (en) * 2006-07-11 2008-10-21 The Board Of Trustees Of The Leland Stanford Junior University Anti-aliased magnetic resonance image reconstruction using partially parallel encoded data
US7902823B2 (en) * 2007-05-02 2011-03-08 Griswold Mark A Dynamic parallel magnetic resonance imaging(DpMRI) with sparse data
WO2009074965A1 (en) * 2007-12-12 2009-06-18 Koninklijke Philips Electronics N.V. Transmit/receive coil for ultra-high field mri
CA2717183C (en) 2008-03-20 2016-05-17 Imi Intelligent Medical Implants Ag Power supply for a retina implant
US7977943B2 (en) * 2008-04-10 2011-07-12 General Electric Company Method and system for reconstructing images
DE102008029175B4 (de) * 2008-06-19 2010-09-30 Siemens Aktiengesellschaft Verfahren zur Ermittlung einer Pulssequenz zur Ansteuerung einer Hochfrequenz-Sendespule
DE102009016341B4 (de) * 2009-04-06 2011-02-10 Siemens Aktiengesellschaft Verfahren zur Bestimmung von k-Raumpositionen für eine Modellierung von HF-Pulsen für Magnetresonanzanregungen sowie Magnetresonanzgerät und Computerprogramm zur Durchführung des Verfahrens
DE102010011968A1 (de) 2010-03-03 2011-09-08 Universität Duisburg-Essen Verfahren zur Erzeugung eines Bilds mit einem Magnetresonanztomographen
DE102011080793B4 (de) 2011-08-11 2013-05-29 Siemens Aktiengesellschaft MR-Verfahren mit flexibler Anpassung von Aufnahme- und Auswertungsparametern für Teilbereiche eines Zielvolumens
DE102011081508B3 (de) 2011-08-24 2013-02-28 Siemens Aktiengesellschaft Flusssensitive, frequenzunabhängige Anregung von Magnetresonanzsignalen
DE102012212983B3 (de) * 2012-07-24 2014-01-23 Siemens Aktiengesellschaft Vermeidung von Einfaltungsartefakten bei der Aufnahme von Magnetresonanzdaten
DE102013214867B4 (de) * 2013-07-30 2015-02-12 Siemens Aktiengesellschaft Ermittlung einer Magnetresonanz-Ansteuersequenz mit konzentrischen, kreisförmigen Sendetrajektorien
DE102013219747B4 (de) 2013-09-30 2019-06-27 Siemens Healthcare Gmbh Bestimmung von Anregungsprofilen von Anregungspulsen in der Magnetresonanztechnik
EP3707523A4 (en) 2017-11-12 2021-08-25 Synex Medical Inc. PORTABLE BLOOD ANALYTE MEASUREMENT DEVICE AND METHOD FOR MEASURING BLOOD ANALYTE CONCENTRATION

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08511716A (ja) * 1994-04-08 1996-12-10 フィリップス エレクトロニクス エヌ ベー 磁気共鳴画像化方法及び装置
BR9810032A (pt) * 1998-04-17 2000-09-19 Koninkl Philips Electronics Nv Processo e aparelho de ressonância magnética para obter imagens por intermédio de ressonância magnética
US6680610B1 (en) * 1999-05-24 2004-01-20 Walid E. Kyriakos Apparatus and method for parallel MR data acquisition and parallel image reconstruction from multiple receiver coil arrays for fast MRI
US6949928B2 (en) * 2001-01-19 2005-09-27 Kabushiki Kaisha Toshiba Parallel MR imaging using high-precision coil sensitivity map
DE10106830C2 (de) * 2001-02-14 2003-01-16 Siemens Ag Verfahren zur Bilderzeugung mittels magnetischer Resonanz mit mehreren unabhängigen Empfangsantennen
GB2380549A (en) * 2001-04-20 2003-04-09 Marconi Medical Systems Uk Ltd Magnetic Resonance Imaging
DE10119660B4 (de) * 2001-04-20 2006-01-05 Siemens Ag Verfahren zur schnellen Gewinnung eines Magnetresonanzbildes
DE10128534C2 (de) * 2001-06-13 2003-04-30 Siemens Ag Verfahren zur Bilderzeugung mittels magnetischer Resonanz mit mehreren Empfangsantennen
DE10144654B4 (de) * 2001-09-11 2005-02-17 Siemens Ag Gerät und Verfahren zur Magnet-Resonanz-Bildgebung unter Verwendung einer verbesserten parallelen Akquisition
DE10201063B4 (de) * 2002-01-14 2005-06-02 Siemens Ag Gerät und Verfahren, sowie Computersoftware-Produkt zur PPA-Magnetresonanzbildgebung
DE10318682B4 (de) * 2003-04-24 2011-12-29 Peter M. Jakob Beschleunigte Magnet-Resonanz-Bildgebung im Rahmen der parallelen Akquisition von MRT-Daten
DE10353342B4 (de) * 2003-11-14 2008-07-17 Siemens Ag Verbesserte MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren
US7102348B2 (en) * 2004-08-05 2006-09-05 Siemens Aktiengesellschaft MRI method and apparatus for faster data acquisition or better motion artifact reduction
DE102005018814B4 (de) * 2005-04-22 2007-06-06 Siemens Ag Verfahren zur MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren sowie korrespondierendes Gerät und Computersoftwareprodukt
DE102005018939B4 (de) * 2005-04-22 2007-09-20 Siemens Ag Verbesserte MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren
US7429862B2 (en) * 2006-04-18 2008-09-30 Siemens Aktiengesellschaft PPA MRT method and apparatus with scaled contribution of k-space data to the reconstructed image
DE102007004620B4 (de) * 2007-01-30 2010-02-04 Siemens Ag Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung

Also Published As

Publication number Publication date
DE102005018937A1 (de) 2006-10-26
US20070013374A1 (en) 2007-01-18
CN1851494A (zh) 2006-10-25
DE102005018937B4 (de) 2007-11-22
US7558614B2 (en) 2009-07-07
CN1851494B (zh) 2012-01-11
JP2006297110A (ja) 2006-11-02

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