JPH02140145A - 磁気共鳴イメージング装置 - Google Patents
磁気共鳴イメージング装置Info
- Publication number
- JPH02140145A JPH02140145A JP63293886A JP29388688A JPH02140145A JP H02140145 A JPH02140145 A JP H02140145A JP 63293886 A JP63293886 A JP 63293886A JP 29388688 A JP29388688 A JP 29388688A JP H02140145 A JPH02140145 A JP H02140145A
- Authority
- JP
- Japan
- Prior art keywords
- dimensional
- data
- fourier transform
- picture
- image
- 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
Links
- 238000000034 method Methods 0.000 claims abstract description 91
- 238000013480 data collection Methods 0.000 claims description 52
- 238000003672 processing method Methods 0.000 claims description 11
- 238000003745 diagnosis Methods 0.000 abstract description 24
- 230000001131 transforming effect Effects 0.000 abstract 3
- 230000009466 transformation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 12
- 238000002595 magnetic resonance imaging Methods 0.000 description 11
- 230000003068 static effect Effects 0.000 description 7
- 230000005284 excitation Effects 0.000 description 6
- 230000003902 lesion Effects 0.000 description 6
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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
- G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
-
- 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
- G01R33/4822—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 in three dimensions
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Artificial Intelligence (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63293886A JPH02140145A (ja) | 1988-11-21 | 1988-11-21 | 磁気共鳴イメージング装置 |
US07/437,608 US5166875A (en) | 1988-11-21 | 1989-11-17 | Reconstructing two and three dimensional images by two and three dimensional Fourier transforms in an MRI system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63293886A JPH02140145A (ja) | 1988-11-21 | 1988-11-21 | 磁気共鳴イメージング装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02140145A true JPH02140145A (ja) | 1990-05-29 |
JPH0578341B2 JPH0578341B2 (en]) | 1993-10-28 |
Family
ID=17800425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63293886A Granted JPH02140145A (ja) | 1988-11-21 | 1988-11-21 | 磁気共鳴イメージング装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5166875A (en]) |
JP (1) | JPH02140145A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010012294A (ja) * | 2009-09-14 | 2010-01-21 | Toshiba Corp | 磁気共鳴イメージング装置および磁気共鳴イメージング収集データの処理方法 |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05120451A (ja) * | 1991-08-08 | 1993-05-18 | Hitachi Medical Corp | 医用診断画像装置 |
US5262945A (en) * | 1991-08-09 | 1993-11-16 | The United States Of America As Represented By The Department Of Health And Human Services | Method for quantification of brain volume from magnetic resonance images |
JP3325300B2 (ja) * | 1992-02-28 | 2002-09-17 | 株式会社東芝 | 超音波治療装置 |
US5603318A (en) | 1992-04-21 | 1997-02-18 | University Of Utah Research Foundation | Apparatus and method for photogrammetric surgical localization |
US5647361A (en) * | 1992-09-28 | 1997-07-15 | Fonar Corporation | Magnetic resonance imaging method and apparatus for guiding invasive therapy |
US6165139A (en) * | 1993-03-01 | 2000-12-26 | Fonar Corporation | Remotely steerable guide wire with external control wires |
US5454722A (en) * | 1993-11-12 | 1995-10-03 | Project Orbis International, Inc. | Interactive multimedia eye surgery training apparatus and method |
AU6178696A (en) * | 1995-06-16 | 1997-01-15 | Trustees Of The University Of Pennsylvania, The | Apparatus and method for dynamic modeling of an object |
WO1997004329A1 (en) * | 1995-07-20 | 1997-02-06 | Philips Electronics N.V. | Method and device for imaging a curved portion of a body by means of magnetic resonance |
US5713358A (en) * | 1996-03-26 | 1998-02-03 | Wisconsin Alumni Research Foundation | Method for producing a time-resolved series of 3D magnetic resonance angiograms during the first passage of contrast agent |
US6226418B1 (en) | 1997-11-07 | 2001-05-01 | Washington University | Rapid convolution based large deformation image matching via landmark and volume imagery |
US6408107B1 (en) | 1996-07-10 | 2002-06-18 | Michael I. Miller | Rapid convolution based large deformation image matching via landmark and volume imagery |
US5881728A (en) * | 1996-07-26 | 1999-03-16 | Wisconsin Alumni Research Foundation | Digital subtraction magnetic resonance angiography with image artifact suppression |
US5830143A (en) * | 1997-01-21 | 1998-11-03 | Wisconsin Alumnin Research Foundation | Gated time-resolved contrast-enhanced 3D MR angiography |
US5873825A (en) * | 1997-04-11 | 1999-02-23 | Wisconsin Alumni Research Foundation | Three dimensional digital subtraction magnetic resonance angiography with limited k-space mask |
US6752812B1 (en) | 1997-05-15 | 2004-06-22 | Regent Of The University Of Minnesota | Remote actuation of trajectory guide |
US6267769B1 (en) | 1997-05-15 | 2001-07-31 | Regents Of The Universitiy Of Minnesota | Trajectory guide method and apparatus for use in magnetic resonance and computerized tomographic scanners |
JP3976845B2 (ja) * | 1997-07-22 | 2007-09-19 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US6633686B1 (en) | 1998-11-05 | 2003-10-14 | Washington University | Method and apparatus for image registration using large deformation diffeomorphisms on a sphere |
US7366561B2 (en) | 2000-04-07 | 2008-04-29 | Medtronic, Inc. | Robotic trajectory guide |
US7660621B2 (en) | 2000-04-07 | 2010-02-09 | Medtronic, Inc. | Medical device introducer |
US6902569B2 (en) | 2000-08-17 | 2005-06-07 | Image-Guided Neurologics, Inc. | Trajectory guide with instrument immobilizer |
DE10161925B4 (de) * | 2001-12-17 | 2005-08-18 | Siemens Ag | Verfahren zum Aufnehmen von Magnetresonanzsignalen eines Objekts mittels einer Magnetresonanzanlage und Rekonstruieren eines Bildes anhand der aufgenommenen Magnetresonanzsignale, sowie Computerprogrammprodukt und Magnetresonanzanlage |
US7704260B2 (en) | 2002-09-17 | 2010-04-27 | Medtronic, Inc. | Low profile instrument immobilizer |
US7636596B2 (en) | 2002-12-20 | 2009-12-22 | Medtronic, Inc. | Organ access device and method |
US7896889B2 (en) | 2003-02-20 | 2011-03-01 | Medtronic, Inc. | Trajectory guide with angled or patterned lumens or height adjustment |
US7559935B2 (en) | 2003-02-20 | 2009-07-14 | Medtronic, Inc. | Target depth locators for trajectory guide for introducing an instrument |
JP4434753B2 (ja) * | 2004-01-13 | 2010-03-17 | 株式会社東芝 | 磁気共鳴イメージング装置および磁気共鳴イメージング収集データの処理方法 |
EP1722848A1 (en) | 2004-02-13 | 2006-11-22 | Medtronic, Inc. | Methods and apparatus for securing a therapy delivery device within a burr hole |
US7497863B2 (en) | 2004-12-04 | 2009-03-03 | Medtronic, Inc. | Instrument guiding stage apparatus and method for using same |
US7744606B2 (en) | 2004-12-04 | 2010-06-29 | Medtronic, Inc. | Multi-lumen instrument guide |
JP2007125374A (ja) * | 2005-10-05 | 2007-05-24 | Toshiba Corp | 磁気共鳴イメージング装置及び磁気共鳴血管造影方法 |
JP5355866B2 (ja) * | 2007-06-14 | 2013-11-27 | 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 | 画像生成方法、位置補正方法および磁気共鳴イメージング装置 |
JP3176221U (ja) | 2009-04-27 | 2012-06-14 | アスペクト・マグネット・テクノロジーズ・リミテッド | 三次元解剖学的および機能的画像化のための画像化デバイスおよびその方法 |
US9632157B2 (en) | 2013-03-29 | 2017-04-25 | National Taiwan University | Method and apparatus for 3D magnetic resonance imaging |
WO2015095806A2 (en) | 2013-12-20 | 2015-06-25 | Microvention, Inc. | Device delivery system |
EP3143421A4 (en) | 2014-05-13 | 2018-04-04 | Aspect Imaging Ltd. | Protective and immobilizing sleeves with sensors, and methods for reducing the effect of object movement during MRI scanning |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0246828A (ja) * | 1988-08-10 | 1990-02-16 | Hitachi Ltd | Mriイメージング方式 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4593247A (en) * | 1983-11-25 | 1986-06-03 | General Electric Company | Method of NMR imaging with off-center zoom scan |
JPS6148752A (ja) * | 1984-08-17 | 1986-03-10 | Hitachi Ltd | 核磁気共鳴を用いた検査装置 |
NL8402959A (nl) * | 1984-09-28 | 1986-04-16 | Philips Nv | Snelle werkwijze en inrichting voor het bepalen van een kernmagnetisatieverdeling in een deel van een lichaam. |
JP2574767B2 (ja) * | 1986-07-25 | 1997-01-22 | 株式会社日立製作所 | 三次元動体イメ−ジング方式 |
JP2607497B2 (ja) * | 1987-01-26 | 1997-05-07 | 株式会社東芝 | 磁気共鳴映像装置 |
JPS63216551A (ja) * | 1987-03-06 | 1988-09-08 | 株式会社日立製作所 | 核磁気共鳴イメ−ジング装置 |
DE3864888D1 (de) * | 1987-04-30 | 1991-10-24 | Siemens Ag | Kernspin-tomographiegeraet. |
FR2617998B1 (fr) * | 1987-07-10 | 1992-07-31 | Thomson Cgr | Procede de reconstruction d'images acquises par experimentation tridimensionnelle notamment en rmn |
US4978918A (en) * | 1988-04-24 | 1990-12-18 | Mitsubishi Denki Kabushiki Kaisha | Magnetic resonance imaging method |
-
1988
- 1988-11-21 JP JP63293886A patent/JPH02140145A/ja active Granted
-
1989
- 1989-11-17 US US07/437,608 patent/US5166875A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0246828A (ja) * | 1988-08-10 | 1990-02-16 | Hitachi Ltd | Mriイメージング方式 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010012294A (ja) * | 2009-09-14 | 2010-01-21 | Toshiba Corp | 磁気共鳴イメージング装置および磁気共鳴イメージング収集データの処理方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0578341B2 (en]) | 1993-10-28 |
US5166875A (en) | 1992-11-24 |
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Legal Events
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