FI20021402L - Menetelmä magneettiresonanssimittauksen kuvauksen homogenisoimiseksi - Google Patents

Menetelmä magneettiresonanssimittauksen kuvauksen homogenisoimiseksi Download PDF

Info

Publication number
FI20021402L
FI20021402L FI20021402A FI20021402A FI20021402L FI 20021402 L FI20021402 L FI 20021402L FI 20021402 A FI20021402 A FI 20021402A FI 20021402 A FI20021402 A FI 20021402A FI 20021402 L FI20021402 L FI 20021402L
Authority
FI
Finland
Prior art keywords
magnetic resonance
resonance imaging
homogenizing magnetic
homogenizing
imaging
Prior art date
Application number
FI20021402A
Other languages
English (en)
Swedish (sv)
Other versions
FI20021402A0 (fi
FI115928B (fi
Inventor
Berthold Kiefer
Jiamin Wang
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of FI20021402A0 publication Critical patent/FI20021402A0/fi
Publication of FI20021402L publication Critical patent/FI20021402L/fi
Application granted granted Critical
Publication of FI115928B publication Critical patent/FI115928B/fi

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10088—Magnetic resonance imaging [MRI]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Signal Processing (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI20021402A 2001-08-07 2002-07-23 Menetelmä magneettiresonanssimittauksen kuvauksen homogenisoimiseksi FI115928B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10138705A DE10138705C1 (de) 2001-08-07 2001-08-07 Verfahren zur Homogenisierung der Bildaufnahme einer Magnet-resonanzmessung
DE10138705 2001-08-07

Publications (3)

Publication Number Publication Date
FI20021402A0 FI20021402A0 (fi) 2002-07-23
FI20021402L true FI20021402L (fi) 2003-02-08
FI115928B FI115928B (fi) 2005-08-15

Family

ID=7694640

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20021402A FI115928B (fi) 2001-08-07 2002-07-23 Menetelmä magneettiresonanssimittauksen kuvauksen homogenisoimiseksi

Country Status (6)

Country Link
US (1) US7050617B2 (fi)
JP (1) JP2003070767A (fi)
KR (1) KR20030014125A (fi)
CN (1) CN1262843C (fi)
DE (1) DE10138705C1 (fi)
FI (1) FI115928B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7565630B1 (en) 2004-06-15 2009-07-21 Google Inc. Customization of search results for search queries received from third party sites
EP1794608B1 (en) * 2004-09-24 2013-05-01 Koninklijke Philips Electronics N.V. Adjustment of rf-field homogeneity in magnetic resonance imaging
JP2006263192A (ja) * 2005-03-24 2006-10-05 Funai Electric Co Ltd 自動清掃システム
DE102005047556B3 (de) * 2005-09-30 2007-04-05 Siemens Ag Betriebsverfahren für eine Magnetresonanzanlage und hiermit korrespondierende Gegenstände
DE102007035176B4 (de) * 2007-07-27 2010-03-18 Siemens Ag Verfahren zur Aufzeichnung und Verarbeitung einer Folge von zeitlich aufeinander folgenden Bilddatensätzen sowie Magnet-Resonanz-Gerät
CN101612042B (zh) * 2008-06-26 2012-03-07 株式会社东芝 磁共振成像装置及磁共振成像方法
JP6212442B2 (ja) 2014-06-30 2017-10-11 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 磁気共鳴信号処理方法、磁気共鳴信号処理装置及び磁気共鳴装置並びにプログラム
JP2016022302A (ja) * 2014-07-24 2016-02-08 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 磁気共鳴信号処理方法、磁気共鳴信号処理装置及び磁気共鳴装置並びにプログラム
DE102014226034B4 (de) * 2014-12-16 2017-01-19 Siemens Healthcare Gmbh Bildkorrektur bei der MR-Bildgebung unter Berücksichtigung des Empfangsprofils

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694254A (en) * 1985-06-10 1987-09-15 General Electric Company Radio-frequency spectrometer subsystem for a magnetic resonance imaging system
NL8602821A (nl) * 1986-11-07 1988-06-01 Philips Nv Werkwijze en inrichting voor het bepalen van gecorrigeerd mri oppervlaktespoelbeeld.
EP0659385A1 (en) * 1989-02-27 1995-06-28 Medrad Inc. Interface network for MRI imaging and spectroscopy
US5284144A (en) * 1989-11-22 1994-02-08 The United States Of America As Represented By The Secretary Of The Dept. Of Health & Human Services Apparatus for hyperthermia treatment of cancer
DE19526778C1 (de) * 1995-07-21 1997-01-23 Siemens Ag Verfahren zum Kompensieren eines Empfindlichkeitsprofils einer Antennenanordnung eines Magnetresonanzgeräts
DE19543891C1 (de) * 1995-11-24 1997-06-05 Siemens Ag Verfahren zur Bildgewinnung mittels der magnetischen Resonanz
DE19653535C1 (de) * 1996-12-20 1998-06-10 Siemens Ag Verfahren zur Positionsbestimmung mindestens einer Lokalantenne
WO2001096896A1 (en) * 2000-06-15 2001-12-20 Koninklijke Philips Electronics N.V. Magnetic resonance imaging method involving sub-sampling

Also Published As

Publication number Publication date
DE10138705C1 (de) 2003-03-27
FI20021402A0 (fi) 2002-07-23
US7050617B2 (en) 2006-05-23
FI115928B (fi) 2005-08-15
US20030035574A1 (en) 2003-02-20
JP2003070767A (ja) 2003-03-11
KR20030014125A (ko) 2003-02-15
CN1407346A (zh) 2003-04-02
CN1262843C (zh) 2006-07-05

Similar Documents

Publication Publication Date Title
NO20003251D0 (no) Metode for magnetisk resonans avbildning
AU2003225287A8 (en) Magnetic resonance imaging
EP1379885A4 (en) CONTRAST REINFORCING AGENT FOR MAGNETIC RESONANCE IMAGING
DE60211785D1 (de) Bilderzeugungsverfahren
DE60233125D1 (de) Mehrfach abgestimmte birdcage-spulen
GB0117187D0 (en) Magnetic resonance imaging
EP1371327A4 (en) METHOD AND APPARATUS FOR MAGNETIC RESONANCE IMAGING
DE69931611D1 (de) Magnetresonanz bildgebungsvorrichtung
DE60230561D1 (de) Supraleitender Magnet für die bildgebende magnetische Resonanz
EP1366710A4 (en) PARALLEL MR TOMOGRAPHY WITH HIGH PRECISION COIL SENSITIVITY MAP
DE60204932D1 (de) Toner und Bildaufzeichnungsmethode
EP1825808A4 (en) MAGNETIC RESONANCE SYSTEM
EP1618843A4 (en) MAGNETIC RESONANCE TOMOGRAPHY PROCESS AND DEVICE
EP1500368A4 (en) MAGNETIC TOMOGRAPH
DE50209366D1 (de) Resonanzscanner
DE60045731D1 (de) Kopfspule für die bilderzeugende magnetische Resonanz
NO20004561D0 (no) Metode for magnetisk resonansavbildning
NL1020979A1 (nl) Hoogfrequent-spoel voor magnetische-resonantie-beeldvorming.
AU2002364728A8 (en) Method for mr/nmr imaging
FI20021402L (fi) Menetelmä magneettiresonanssimittauksen kuvauksen homogenisoimiseksi
GB0109790D0 (en) Magnetic resonance imaging
GB0121744D0 (en) Magnetic resonance imaging
GB0109791D0 (en) Magnetic resonance imaging
NO20025711D0 (no) Magnetisk resonansmetode
EP1300111A4 (en) Magnetic resonance imaging apparatus

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 115928

Country of ref document: FI

MA Patent expired