CN101711126B - 磁共振成像装置及由倾斜磁场引起的误差修正方法 - Google Patents
磁共振成像装置及由倾斜磁场引起的误差修正方法 Download PDFInfo
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- CN101711126B CN101711126B CN2008800195676A CN200880019567A CN101711126B CN 101711126 B CN101711126 B CN 101711126B CN 2008800195676 A CN2008800195676 A CN 2008800195676A CN 200880019567 A CN200880019567 A CN 200880019567A CN 101711126 B CN101711126 B CN 101711126B
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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
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field
-
- 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
-
- 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
-
- 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
- G01R33/4824—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 non-Cartesian trajectory
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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)
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP157303/2007 | 2007-06-14 | ||
JP2007157303 | 2007-06-14 | ||
PCT/JP2008/060178 WO2008152937A1 (ja) | 2007-06-14 | 2008-06-03 | 磁気共鳴イメージング装置及び傾斜磁場に起因する誤差補正方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101711126A CN101711126A (zh) | 2010-05-19 |
CN101711126B true CN101711126B (zh) | 2012-03-28 |
Family
ID=40129547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008800195676A Active CN101711126B (zh) | 2007-06-14 | 2008-06-03 | 磁共振成像装置及由倾斜磁场引起的误差修正方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8154294B2 (zh) |
EP (1) | EP2158842A4 (zh) |
JP (1) | JP5399240B2 (zh) |
CN (1) | CN101711126B (zh) |
WO (1) | WO2008152937A1 (zh) |
Families Citing this family (31)
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JP5179182B2 (ja) * | 2005-07-27 | 2013-04-10 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US8154294B2 (en) * | 2007-06-14 | 2012-04-10 | Hitachi Medical Corporation | Magnetic resonance imaging apparatus and method for correcting error due to gradient magnetic field |
WO2010074059A1 (ja) * | 2008-12-26 | 2010-07-01 | 株式会社 日立メディコ | 磁気共鳴イメージング装置及び読み出し傾斜磁場誤差補正方法 |
US8384383B2 (en) * | 2010-03-23 | 2013-02-26 | Max-Planck-Gesellschaft zur Foerferung der Wissenschaften E.V. | Method and device for reconstructing a sequence of magnetic resonance images |
DE102010012599B4 (de) | 2010-03-24 | 2012-04-19 | Siemens Aktiengesellschaft | Erstellung eines Bilddatensatzes mittels einer radialen Abtastung mit Hilfe einer Magnetresonanzanlage |
US10537265B2 (en) * | 2010-03-31 | 2020-01-21 | Regents Of The University Of Minnesota | Method of oscillogram filtering for radial MRI data |
CN102959425A (zh) * | 2010-04-29 | 2013-03-06 | 伊利诺伊大学受托管理委员会 | 使用转向螺旋桨技术的磁共振成像 |
JP5611882B2 (ja) * | 2010-05-31 | 2014-10-22 | 株式会社東芝 | 磁気共鳴イメージング装置 |
CN103124516B (zh) * | 2010-09-27 | 2015-11-25 | 株式会社日立医疗器械 | 磁共振成像装置以及磁共振成像方法 |
US8362773B2 (en) * | 2010-10-05 | 2013-01-29 | General Electric Company | System and method for modeling gradient coil operation induced magnetic field drift |
JP5925529B2 (ja) * | 2011-03-31 | 2016-05-25 | 株式会社東芝 | 磁気共鳴イメージング装置 |
WO2013002233A1 (ja) * | 2011-06-30 | 2013-01-03 | 株式会社 日立メディコ | 磁気共鳴イメージング装置および傾斜磁場波形推定方法 |
DE102011088553B4 (de) * | 2011-12-14 | 2013-11-28 | Siemens Aktiengesellschaft | Korrektur einer zeitlichen Abweichung von k-Raum-Punkten bei MRI-Verfahren |
DE102012203453B4 (de) | 2012-03-05 | 2014-07-03 | Siemens Aktiengesellschaft | Verfahren zur Ermittlung eines Satzes von B1-Feldkarten |
DE102012209955B4 (de) * | 2012-06-14 | 2014-02-20 | Siemens Aktiengesellschaft | Test eines Reordering-Algorithmus einer Spinecho-Magnetresonanzpulssequenz |
CN103513204B (zh) * | 2012-06-29 | 2016-03-30 | 西门子(深圳)磁共振有限公司 | 一种磁共振成像中k空间数据的轨迹校正方法和装置 |
JP6202761B2 (ja) * | 2013-02-12 | 2017-09-27 | 株式会社日立製作所 | 磁気共鳴イメージング装置及びその処理方法 |
CN105120745B (zh) * | 2013-05-17 | 2017-12-19 | 株式会社日立制作所 | 磁共振成像装置以及磁共振成像方法 |
KR101474757B1 (ko) * | 2013-07-08 | 2014-12-19 | 삼성전자주식회사 | 자장 측정 방법 및 장치 |
DE102013215883B3 (de) | 2013-08-12 | 2015-01-08 | Siemens Aktiengesellschaft | MR-Bildgebung mit Signalunterdrückung einer Spinspezies |
US10031205B2 (en) | 2013-09-03 | 2018-07-24 | Hitachi, Ltd. | Magnetic resonance imaging apparatus and magnetic resonance imaging method |
US10295636B2 (en) * | 2013-10-28 | 2019-05-21 | Schlumberger Technology Corporation | Integrated circuit for NMR systems |
JP6377378B2 (ja) * | 2014-03-17 | 2018-08-22 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置 |
DE102014212943B4 (de) * | 2014-07-03 | 2016-11-24 | Siemens Healthcare Gmbh | Magnetresonanz-Bildgebung unter Berücksichtigung von unterschiedlichen Frequenzkodiermustern |
US10524663B2 (en) * | 2015-06-19 | 2020-01-07 | The Board Of Trustees Of The University Of Illinois | Phase measurement, analysis, and correction methods for coherent imaging systems |
KR101819908B1 (ko) | 2016-05-27 | 2018-01-18 | 한국과학기술원 | 자기공명 영상 생성방법 및 그를 위한 장치 |
WO2018069050A1 (en) | 2016-10-10 | 2018-04-19 | Koninklijke Philips N.V. | Gradient impulse response function mapping |
EP3749185A4 (en) * | 2018-06-25 | 2021-03-31 | Samsung Electronics Co., Ltd. | METHOD AND APPARATUS FOR RECONSTRUCTING A MAGNETIC RESONANCE IMAGE |
JP7245076B2 (ja) | 2019-03-01 | 2023-03-23 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置及び磁気共鳴イメージング方法 |
CN113075598B (zh) * | 2020-01-03 | 2022-05-27 | 上海联影医疗科技股份有限公司 | 磁共振系统的磁场分布检测方法、磁共振系统及成像方法 |
JP7461913B2 (ja) * | 2021-08-03 | 2024-04-04 | 富士フイルムヘルスケア株式会社 | 磁気共鳴イメージング装置およびその制御方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0775627A (ja) * | 1993-06-11 | 1995-03-20 | Hitachi Ltd | 磁気共鳴診断装置における体動追従計測方法 |
US5833609A (en) * | 1996-11-26 | 1998-11-10 | Picker International, Inc. | Rotating diffusion MR imaging reduced motion artifacts |
US6323646B1 (en) * | 1999-05-21 | 2001-11-27 | General Electric Company | Method and apparatus for producing diffusion weighted MR images |
DE10109511C2 (de) * | 2001-02-28 | 2003-03-27 | Max Planck Gesellschaft | Verfahren und Gerät zum Gewinnen von Daten für diffusionsgewichtete Magnetresonanz-Bildgebung |
WO2005023108A1 (ja) | 2003-09-05 | 2005-03-17 | Hitachi Medical Corporation | 磁気共鳴イメージング装置 |
JP2005152175A (ja) | 2003-11-25 | 2005-06-16 | Ge Medical Systems Global Technology Co Llc | 磁気共鳴撮像装置および方法 |
JP4347788B2 (ja) * | 2004-12-01 | 2009-10-21 | 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 |
JP5179182B2 (ja) * | 2005-07-27 | 2013-04-10 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US8154294B2 (en) * | 2007-06-14 | 2012-04-10 | Hitachi Medical Corporation | Magnetic resonance imaging apparatus and method for correcting error due to gradient magnetic field |
DE102007054863B4 (de) * | 2007-11-16 | 2009-09-10 | Siemens Ag | Verfahren und Computersoftwareprodukt zur Magnet-Resonanz-Bildgebung auf Basis einer partiellen parallelen Akquisition (PPA) |
DE102008057294B4 (de) * | 2008-11-14 | 2010-10-07 | Siemens Aktiengesellschaft | Trennung von Fett- und Wasserbildern nach dem Zwei-Punkt-Dixon-Verfahren unter Berücksichtigung des T*2-Zerfalls |
DE102009055961B4 (de) * | 2009-11-27 | 2018-10-18 | Siemens Healthcare Gmbh | Verfahren zur Erfassung von einer Atembewegung eines Untersuchungsobjektes entsprechender Signaldaten mittels Magnetresonanz |
-
2008
- 2008-06-03 US US12/601,378 patent/US8154294B2/en active Active
- 2008-06-03 WO PCT/JP2008/060178 patent/WO2008152937A1/ja active Application Filing
- 2008-06-03 JP JP2009519225A patent/JP5399240B2/ja active Active
- 2008-06-03 EP EP08764991.9A patent/EP2158842A4/en not_active Withdrawn
- 2008-06-03 CN CN2008800195676A patent/CN101711126B/zh active Active
Non-Patent Citations (1)
Title |
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JP特开2005-152175A 2005.06.16 |
Also Published As
Publication number | Publication date |
---|---|
EP2158842A4 (en) | 2014-11-05 |
US8154294B2 (en) | 2012-04-10 |
EP2158842A1 (en) | 2010-03-03 |
US20100164495A1 (en) | 2010-07-01 |
JPWO2008152937A1 (ja) | 2010-08-26 |
JP5399240B2 (ja) | 2014-01-29 |
WO2008152937A1 (ja) | 2008-12-18 |
CN101711126A (zh) | 2010-05-19 |
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Effective date of registration: 20170405 Address after: Tokyo, Japan, Japan Patentee after: Hitachi Ltd. Address before: Tokyo, Japan, Japan Patentee before: Hitachi Medical Corporation |
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Effective date of registration: 20211117 Address after: Chiba County, Japan Patentee after: Fujifilm medical health Co.,Ltd. Address before: Tokyo, Japan Patentee before: Hitachi, Ltd. |
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