DE3470347D1 - Complex quotient nuclear magnetic resonance imaging - Google Patents
Complex quotient nuclear magnetic resonance imagingInfo
- Publication number
- DE3470347D1 DE3470347D1 DE8484307727T DE3470347T DE3470347D1 DE 3470347 D1 DE3470347 D1 DE 3470347D1 DE 8484307727 T DE8484307727 T DE 8484307727T DE 3470347 T DE3470347 T DE 3470347T DE 3470347 D1 DE3470347 D1 DE 3470347D1
- Authority
- DE
- Germany
- Prior art keywords
- image
- magnetic resonance
- nuclear magnetic
- resonance imaging
- pixel
- 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.)
- Expired
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/550,523 US4649346A (en) | 1983-11-09 | 1983-11-09 | Complex quotient nuclear magnetic resonance imaging |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3470347D1 true DE3470347D1 (en) | 1988-05-11 |
Family
ID=24197525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484307727T Expired DE3470347D1 (en) | 1983-11-09 | 1984-11-08 | Complex quotient nuclear magnetic resonance imaging |
Country Status (4)
Country | Link |
---|---|
US (1) | US4649346A (de) |
EP (1) | EP0145276B1 (de) |
AT (1) | ATE33427T1 (de) |
DE (1) | DE3470347D1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6148752A (ja) * | 1984-08-17 | 1986-03-10 | Hitachi Ltd | 核磁気共鳴を用いた検査装置 |
JPS61194338A (ja) * | 1985-02-25 | 1986-08-28 | Yokogawa Electric Corp | 核磁気共鳴撮像装置の位相およびシエ−デイング補正方法 |
US4736160A (en) * | 1985-05-29 | 1988-04-05 | Hitachi, Ltd. | Nuclear magnetic resonance imaging method |
US4683431A (en) * | 1985-08-16 | 1987-07-28 | Picker International, Inc. | Magnetic resonance imaging of high velocity flows |
US4689560A (en) * | 1985-08-16 | 1987-08-25 | Picker International, Inc. | Low R.F. dosage magnetic resonance imaging of high velocity flows |
NL8502871A (nl) * | 1985-10-22 | 1987-05-18 | Philips Nv | Werkwijze en inrichting voor het fasecorrigeren van mri-beelden. |
JPS62231647A (ja) * | 1986-03-31 | 1987-10-12 | 株式会社東芝 | 磁気共鳴映像装置 |
NL8602019A (nl) * | 1986-08-07 | 1988-03-01 | Philips Nv | Magnetische resonantiewerkwijze en -inrichting voor het elimineren van fasefouten in beeldelementen van een complexe afbeelding van een kernmagnetisatieverdeling. |
US4706027A (en) * | 1986-08-28 | 1987-11-10 | Kabushiki Kaisha Toshiba | Method for correcting phase errors in magnetic resonance imaging data |
JP2607497B2 (ja) * | 1987-01-26 | 1997-05-07 | 株式会社東芝 | 磁気共鳴映像装置 |
IL82029A (en) * | 1987-03-27 | 1990-07-26 | Elscint Ltd | Method for performing magnetic resonance studies of restricted volumes |
DE3864888D1 (de) * | 1987-04-30 | 1991-10-24 | Siemens Ag | Kernspin-tomographiegeraet. |
NL8701642A (nl) * | 1987-07-13 | 1989-02-01 | Philips Nv | Werkwijze en inrichting voor het uitvoeren van een fasecorrectie bij mr angiografie. |
US4761613A (en) * | 1987-08-12 | 1988-08-02 | Picker International, Inc. | Monitored echo gating for the reduction of motion artifacts |
JP2598038B2 (ja) * | 1987-09-30 | 1997-04-09 | 株式会社東芝 | 磁気共鳴映像装置 |
JP2642362B2 (ja) * | 1987-09-30 | 1997-08-20 | 株式会社東芝 | 磁気共鳴映像装置 |
NL8702700A (nl) * | 1987-11-12 | 1989-06-01 | Philips Nv | Werkwijze en inrichting voor automatische fasecorrectie van complexe nmr spectra. |
US5168232A (en) * | 1990-06-29 | 1992-12-01 | General Electric Company | Method for rapid magnet shimming |
US5233302A (en) * | 1991-06-21 | 1993-08-03 | General Electric Company | Masking motion ghost artifacts in NMR images |
US5321359A (en) * | 1993-03-29 | 1994-06-14 | General Electric Company | Selective imaging among three or more chemical species |
DE19526778C1 (de) * | 1995-07-21 | 1997-01-23 | Siemens Ag | Verfahren zum Kompensieren eines Empfindlichkeitsprofils einer Antennenanordnung eines Magnetresonanzgeräts |
DE102010039693B4 (de) | 2010-08-24 | 2012-10-31 | Siemens Aktiengesellschaft | Phasensensitive Magnetresonanz-Bildgebung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4015196A (en) * | 1974-04-05 | 1977-03-29 | National Research Development Corporation | Analysis of materials |
GB1580787A (en) * | 1976-04-14 | 1980-12-03 | Mansfield P | Nuclear magnetic resonance apparatus and methods |
DE2920549A1 (de) * | 1979-05-21 | 1980-12-04 | Siemens Ag | Verfahren und vorrichtung zur magnetfeldmessung |
GB2091884B (en) * | 1981-01-26 | 1984-07-18 | Hinsaw Waldo Stephen | Investigation of samples by nmr techniques |
GB2102577A (en) * | 1981-04-24 | 1983-02-02 | Indiana University Foundation | Two dimensional mapping using nuclear magnetic resonance |
US4595879A (en) * | 1983-11-14 | 1986-06-17 | Technicare Corporation | Nuclear magnetic resonance flow imaging |
-
1983
- 1983-11-09 US US06/550,523 patent/US4649346A/en not_active Expired - Lifetime
-
1984
- 1984-11-08 EP EP84307727A patent/EP0145276B1/de not_active Expired
- 1984-11-08 DE DE8484307727T patent/DE3470347D1/de not_active Expired
- 1984-11-08 AT AT84307727T patent/ATE33427T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0145276A1 (de) | 1985-06-19 |
EP0145276B1 (de) | 1988-04-06 |
ATE33427T1 (de) | 1988-04-15 |
US4649346A (en) | 1987-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT. GROENING, H., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SIEMENS AG, 8000 MUENCHEN, DE |
|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |