JPS6434345A - Method for correcting phase of image of nuclear magnetic resonance tomographic imaging apparatus - Google Patents

Method for correcting phase of image of nuclear magnetic resonance tomographic imaging apparatus

Info

Publication number
JPS6434345A
JPS6434345A JP62192386A JP19238687A JPS6434345A JP S6434345 A JPS6434345 A JP S6434345A JP 62192386 A JP62192386 A JP 62192386A JP 19238687 A JP19238687 A JP 19238687A JP S6434345 A JPS6434345 A JP S6434345A
Authority
JP
Japan
Prior art keywords
phase
region
image
correction value
basis
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.)
Granted
Application number
JP62192386A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0377738B2 (enrdf_load_stackoverflow
Inventor
Kazuya Hoshino
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.)
GE Healthcare Japan Corp
Original Assignee
Yokogawa Medical Systems Ltd
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 Yokogawa Medical Systems Ltd filed Critical Yokogawa Medical Systems Ltd
Priority to JP62192386A priority Critical patent/JPS6434345A/ja
Priority to PCT/JP1988/000770 priority patent/WO1989000833A1/ja
Publication of JPS6434345A publication Critical patent/JPS6434345A/ja
Publication of JPH0377738B2 publication Critical patent/JPH0377738B2/ja
Granted 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities

Landscapes

  • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP62192386A 1987-07-31 1987-07-31 Method for correcting phase of image of nuclear magnetic resonance tomographic imaging apparatus Granted JPS6434345A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62192386A JPS6434345A (en) 1987-07-31 1987-07-31 Method for correcting phase of image of nuclear magnetic resonance tomographic imaging apparatus
PCT/JP1988/000770 WO1989000833A1 (en) 1987-07-31 1988-07-30 Method of controlling phase of image in an mri

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62192386A JPS6434345A (en) 1987-07-31 1987-07-31 Method for correcting phase of image of nuclear magnetic resonance tomographic imaging apparatus

Publications (2)

Publication Number Publication Date
JPS6434345A true JPS6434345A (en) 1989-02-03
JPH0377738B2 JPH0377738B2 (enrdf_load_stackoverflow) 1991-12-11

Family

ID=16290433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62192386A Granted JPS6434345A (en) 1987-07-31 1987-07-31 Method for correcting phase of image of nuclear magnetic resonance tomographic imaging apparatus

Country Status (2)

Country Link
JP (1) JPS6434345A (enrdf_load_stackoverflow)
WO (1) WO1989000833A1 (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263842A (ja) * 1984-06-12 1985-12-27 Toshiba Corp 核磁気共鳴装置
JPS62275442A (ja) * 1986-05-21 1987-11-30 三菱電機株式会社 磁気共鳴画像計算方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61161441A (ja) * 1985-01-11 1986-07-22 Yokogawa Electric Corp Ｎｍｒ断層撮像装置の位相補正方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263842A (ja) * 1984-06-12 1985-12-27 Toshiba Corp 核磁気共鳴装置
JPS62275442A (ja) * 1986-05-21 1987-11-30 三菱電機株式会社 磁気共鳴画像計算方法

Also Published As

Publication number Publication date
WO1989000833A1 (en) 1989-02-09
JPH0377738B2 (enrdf_load_stackoverflow) 1991-12-11

Similar Documents

Publication Publication Date Title
JP2883980B2 (ja) 核磁気共鳴画像化用の勾配磁界を発生する方法および装置
JP5198859B2 (ja) 位相マッピングと、位相基準として用いる基準媒体が関係するｍｒｉ温度測定
JPH0213434A (ja) 磁気共鳴イメージング方法およびシステム
JPH0856928A (ja) 表面コイル配設により核磁化分布を決定するｍｒ法
Lemieux et al. Measurement of small inter‐scan fluctuations in voxel dimensions in magnetic resonance images using registration
GB2171803A (en) Method of correcting phase and shading in nuclear magnetic resonance tomographic devices
EP0310434A3 (en) Magnetic resonance imaging system
JPH0747023B2 (ja) 核磁気共鳴を用いた検査装置
JPH064066B2 (ja) 磁気共鳴イメージング装置
US20170090000A1 (en) Method and apparatus for detecting dynamic magnetic field distributions
CN1312631C (zh) 对随时间变化的诊断过程的评估
JPS62189056A (ja) 磁界の均質性を改善する方法
US5184075A (en) Method and apparatus for compensating for nonuniformity of static magnetic field in MRI system
JPS6434345A (en) Method for correcting phase of image of nuclear magnetic resonance tomographic imaging apparatus
CN113933772B (zh) 一种磁共振成像系统中梯度磁场焦点的检测方法
JPH06327649A (ja) 核磁気共鳴イメージング装置における画像再構成方法
JPH0928689A (ja) Ｍｒデータ収集方法およびｍｒｉ装置
JPS62148658A (ja) 核磁気共鳴を用いた検査方法
SU1644009A1 (ru) ЯМР - томограф
JPS62246356A (ja) 核磁気共鳴を用いる検査装置
JPH049414B2 (enrdf_load_stackoverflow)
JP2905569B2 (ja) Ｍｒｉ装置
GB2190502A (en) Nuclear magnetic resonance methods and apparatus
JPH05300896A (ja) 磁気共鳴イメージング装置
KR20070031804A (ko) 호흡 정지 ｍｒ 촬영 방법, ｍｒｉ 장치, 호흡 정지 단층촬영 방법 및 단층 촬영 장치