JPS6434344A - Phase correcting method in magnetic resonance imaging apparatus - Google Patents
Phase correcting method in magnetic resonance imaging apparatusInfo
- Publication number
- JPS6434344A JPS6434344A JP62190019A JP19001987A JPS6434344A JP S6434344 A JPS6434344 A JP S6434344A JP 62190019 A JP62190019 A JP 62190019A JP 19001987 A JP19001987 A JP 19001987A JP S6434344 A JPS6434344 A JP S6434344A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- magnetic field
- phase strain
- strain
- processing
- 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.)
- Pending
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)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62190019A JPS6434344A (en) | 1987-07-31 | 1987-07-31 | Phase correcting method in magnetic resonance imaging apparatus |
DE3825698A DE3825698A1 (de) | 1987-07-31 | 1988-07-28 | Phasenkorrekturverfahren fuer ein nmr-abbildungssystem und vorrichtung zur durchfuehrung des verfahrens |
US07/225,777 US4902974A (en) | 1987-07-31 | 1988-07-29 | Phase correcting method in a magnetic resonance imaging system and device for realizing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62190019A JPS6434344A (en) | 1987-07-31 | 1987-07-31 | Phase correcting method in magnetic resonance imaging apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6434344A true JPS6434344A (en) | 1989-02-03 |
Family
ID=16251015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62190019A Pending JPS6434344A (en) | 1987-07-31 | 1987-07-31 | Phase correcting method in magnetic resonance imaging apparatus |
Country Status (3)
Country | Link |
---|---|
US (1) | US4902974A (ja) |
JP (1) | JPS6434344A (ja) |
DE (1) | DE3825698A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000070239A (ja) * | 1998-08-27 | 2000-03-07 | Toshiba America Mri Inc | 磁気共鳴イメ―ジング方法および磁気共鳴イメ―ジング装置 |
JP2001120514A (ja) * | 1999-10-22 | 2001-05-08 | Ge Yokogawa Medical Systems Ltd | 位相分布測定方法および装置、位相補正方法および装置、並びに、磁気共鳴撮像装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04364829A (ja) * | 1990-02-15 | 1992-12-17 | Toshiba Corp | 磁気共鳴画像処理方法及び装置 |
DE4005675C2 (de) * | 1990-02-22 | 1995-06-29 | Siemens Ag | Verfahren zur Unterdrückung von Artefakten bei der Bilderzeugung mittels kernmagnetischer Resonanz |
US5151655A (en) * | 1990-02-23 | 1992-09-29 | Baylor Research Institute | Magnetic resonance imaging using a back-to-back pulse sequence |
US6192263B1 (en) * | 1998-09-01 | 2001-02-20 | General Electric Company | Phase-sensitive inversion recovery method of MR imaging |
DE10036207B4 (de) * | 2000-07-25 | 2006-11-30 | Siemens Ag | Verfahren zum Durchführen einer Perfusionsmessung mittels Magnetresonanzbildgebung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4661775A (en) * | 1985-07-15 | 1987-04-28 | Technicare Corporation | Chemical shift imaging with field inhomogeneity correction |
US4720679A (en) * | 1985-12-31 | 1988-01-19 | Picker International, Inc. | Magnetic resonance imaging with phase encoded chemical shift correction |
-
1987
- 1987-07-31 JP JP62190019A patent/JPS6434344A/ja active Pending
-
1988
- 1988-07-28 DE DE3825698A patent/DE3825698A1/de active Granted
- 1988-07-29 US US07/225,777 patent/US4902974A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000070239A (ja) * | 1998-08-27 | 2000-03-07 | Toshiba America Mri Inc | 磁気共鳴イメ―ジング方法および磁気共鳴イメ―ジング装置 |
JP2001120514A (ja) * | 1999-10-22 | 2001-05-08 | Ge Yokogawa Medical Systems Ltd | 位相分布測定方法および装置、位相補正方法および装置、並びに、磁気共鳴撮像装置 |
Also Published As
Publication number | Publication date |
---|---|
US4902974A (en) | 1990-02-20 |
DE3825698C2 (ja) | 1991-05-23 |
DE3825698A1 (de) | 1989-02-09 |
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