FI854606A0 - Foerfarande foer avlaegsnande av effekterna av komponenterna av baslinjefel vid nmr -avbildningstillaempningar. - Google Patents
Foerfarande foer avlaegsnande av effekterna av komponenterna av baslinjefel vid nmr -avbildningstillaempningar.Info
- Publication number
- FI854606A0 FI854606A0 FI854606A FI854606A FI854606A0 FI 854606 A0 FI854606 A0 FI 854606A0 FI 854606 A FI854606 A FI 854606A FI 854606 A FI854606 A FI 854606A FI 854606 A0 FI854606 A0 FI 854606A0
- Authority
- FI
- Finland
- Prior art keywords
- komponenterna
- effekterna
- baslinjefel
- avbildningstillaempningar
- vid
- Prior art date
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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/673,691 US4612504A (en) | 1984-11-21 | 1984-11-21 | Method for removing the effects of baseline error components in NMR imaging applications |
Publications (2)
Publication Number | Publication Date |
---|---|
FI854606A0 true FI854606A0 (fi) | 1985-11-21 |
FI854606A FI854606A (fi) | 1986-05-22 |
Family
ID=24703720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI854606A FI854606A (fi) | 1984-11-21 | 1985-11-21 | Foerfarande foer avlaegsnande av effekterna av komponenterna av baslinjefel vid nmr -avbildningstillaempningar. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4612504A (fi) |
EP (1) | EP0182267B2 (fi) |
JP (1) | JPS61142448A (fi) |
KR (1) | KR900003170B1 (fi) |
DE (1) | DE3576407D1 (fi) |
FI (1) | FI854606A (fi) |
IL (1) | IL76948A (fi) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5938637A (ja) * | 1982-08-28 | 1984-03-02 | Toshiba Corp | 核磁気共鳴装置 |
DE3434161A1 (de) * | 1984-09-18 | 1986-03-27 | Bruker Medizintechnik Gmbh, 7512 Rheinstetten | Verfahren zum messen der magnetischen kernresonanz |
US5014007A (en) * | 1985-02-15 | 1991-05-07 | Hitachi, Ltd. | Nuclear magnetic resonance imaging method and apparatus |
US4647858A (en) * | 1985-07-29 | 1987-03-03 | General Electric Company | Methods for overcoming transient magnetic field inhomogeneity in nuclear magnetic resonance imaging |
US4663591A (en) * | 1985-08-16 | 1987-05-05 | General Electric Company | Method for reducing image artifacts due to periodic signal variations in NMR imaging |
US4706026A (en) * | 1985-08-16 | 1987-11-10 | General Electric Company | Method for reducing image artifacts due to periodic signal variations in NMR imaging |
NL8601845A (nl) * | 1986-07-15 | 1988-02-01 | Philips Nv | Mri-werkwijze en inrichting voor het reduceren van artefacten door middel van fasecodering. |
US5055788A (en) * | 1986-08-27 | 1991-10-08 | Schlumberger Technology Corporation | Borehole measurement of NMR characteristics of earth formations |
JPH0687848B2 (ja) * | 1986-10-31 | 1994-11-09 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
US4862081A (en) * | 1988-11-23 | 1989-08-29 | Picker International, Inc. | DC artifact removal in magnetic resonance imaging |
US5245283A (en) * | 1991-08-07 | 1993-09-14 | Picker International, Inc. | Technique for shifting out-of-slice artifacts to the edge of the field of view |
JP2509027B2 (ja) * | 1991-10-16 | 1996-06-19 | 三菱電機株式会社 | 半導体装置 |
US5541513A (en) * | 1995-04-14 | 1996-07-30 | General Electric Company | MRI center point artifact elimination using realtime receiver phase control |
US6081117A (en) * | 1997-08-11 | 2000-06-27 | Panacea Medical Laboratories | Noise modulation for open access and remotely positioned MRI |
US6563947B1 (en) | 1999-12-10 | 2003-05-13 | 20/10 Perfect Vision Optische Geraete Gmbh | Application specified integrated circuit for use in wavefront detection |
GB2374672A (en) * | 2001-04-20 | 2002-10-23 | Marconi Medical Systems Uk Ltd | Magnetic Resonance Imaging |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3209264A1 (de) * | 1982-03-13 | 1983-09-22 | Bruker Medizintechnik Gmbh, 7512 Rheinstetten | Verfahren zum messen der magnetischen kernresonanz fuer die nmr-tomographie |
US4443760A (en) * | 1982-07-01 | 1984-04-17 | General Electric Company | Use of phase alternated RF pulses to eliminate effects of spurious free induction decay caused by imperfect 180 degree RF pulses in NMR imaging |
JPS59166846A (ja) * | 1983-03-11 | 1984-09-20 | Toshiba Corp | 磁気共鳴イメージング装置 |
US4549140A (en) * | 1983-06-03 | 1985-10-22 | General Electric Company | Method utilizing combined, interleaved pulse sequences for reducing motion artifacts in computed T1,T2 and M0 NMR imaging |
US4549139A (en) * | 1983-06-03 | 1985-10-22 | General Electric Company | Method of accurate and rapid NMR imaging of computed T1 and spin density |
US4616182A (en) | 1983-11-09 | 1986-10-07 | Technicare Corporation | Nuclear magnetic resonance signal artifact removal |
NL8400699A (nl) * | 1984-03-05 | 1985-10-01 | Philips Nv | Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden. |
US4616183A (en) * | 1984-10-22 | 1986-10-07 | General Electric Company | Method for reducing baseline error components in NMR signals |
US4567893A (en) * | 1984-11-21 | 1986-02-04 | General Electric Company | Method of eliminating breathing artifacts in NMR imaging |
-
1984
- 1984-11-21 US US06/673,691 patent/US4612504A/en not_active Expired - Fee Related
-
1985
- 1985-11-05 IL IL76948A patent/IL76948A/xx not_active IP Right Cessation
- 1985-11-12 EP EP85114393A patent/EP0182267B2/en not_active Expired - Lifetime
- 1985-11-12 DE DE8585114393T patent/DE3576407D1/de not_active Expired - Fee Related
- 1985-11-20 KR KR1019850008675A patent/KR900003170B1/ko not_active IP Right Cessation
- 1985-11-20 JP JP60258827A patent/JPS61142448A/ja active Granted
- 1985-11-21 FI FI854606A patent/FI854606A/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0349254B2 (fi) | 1991-07-29 |
IL76948A0 (en) | 1986-04-29 |
KR900003170B1 (ko) | 1990-05-09 |
DE3576407D1 (de) | 1990-04-12 |
EP0182267B2 (en) | 1995-09-06 |
JPS61142448A (ja) | 1986-06-30 |
KR860004367A (ko) | 1986-06-20 |
EP0182267A3 (en) | 1987-05-27 |
EP0182267B1 (en) | 1990-03-07 |
US4612504A (en) | 1986-09-16 |
IL76948A (en) | 1989-08-15 |
FI854606A (fi) | 1986-05-22 |
EP0182267A2 (en) | 1986-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: GENERAL ELECTRIC COMPANY |