JPH01146529A - 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
- JPH01146529A JPH01146529A JP87305286A JP30528687A JPH01146529A JP H01146529 A JPH01146529 A JP H01146529A JP 87305286 A JP87305286 A JP 87305286A JP 30528687 A JP30528687 A JP 30528687A JP H01146529 A JPH01146529 A JP H01146529A
- Authority
- JP
- Japan
- Prior art keywords
- region
- magnetic field
- magnetic resonance
- local
- data
- 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 title claims abstract description 58
- 238000002595 magnetic resonance imaging Methods 0.000 title claims description 16
- 238000012545 processing Methods 0.000 claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 15
- 238000001228 spectrum Methods 0.000 claims abstract description 12
- 230000005284 excitation Effects 0.000 claims description 25
- 230000005415 magnetization Effects 0.000 claims description 10
- 230000000877 morphologic effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 abstract description 11
- 239000000523 sample Substances 0.000 abstract description 9
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 235000003197 Byrsonima crassifolia Nutrition 0.000 description 1
- 240000001546 Byrsonima crassifolia Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
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
Landscapes
- 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)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP87305286A JPH01146529A (ja) | 1987-12-02 | 1987-12-02 | 磁気共鳴イメージング装置 |
| US07/278,453 US4896111A (en) | 1987-12-02 | 1988-12-01 | Method and system for improving resolution of images in magnetic resonance imaging |
| DE3840725A DE3840725A1 (de) | 1987-12-02 | 1988-12-02 | Verfahren und einrichtung zur erzeugung von hochaufloesenden bildern in einer mr-anlage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP87305286A JPH01146529A (ja) | 1987-12-02 | 1987-12-02 | 磁気共鳴イメージング装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01146529A true JPH01146529A (ja) | 1989-06-08 |
| JPH0578334B2 JPH0578334B2 (en]) | 1993-10-28 |
Family
ID=17943268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP87305286A Granted JPH01146529A (ja) | 1987-12-02 | 1987-12-02 | 磁気共鳴イメージング装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4896111A (en]) |
| JP (1) | JPH01146529A (en]) |
| DE (1) | DE3840725A1 (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02255126A (ja) * | 1989-03-29 | 1990-10-15 | Toshiba Corp | 磁気共鳴イメージング装置 |
| US5036281A (en) * | 1990-03-16 | 1991-07-30 | The Regents Of The University Of California | Resizing MRI images using fourier transformation |
| JPH05146420A (ja) * | 1991-11-27 | 1993-06-15 | Toshiba Corp | Ｍｒｉ高分解能再構成法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6058539A (ja) * | 1983-09-12 | 1985-04-04 | Shimadzu Corp | Νｍｒ断層像撮影装置 |
| JPS62207447A (ja) * | 1986-03-07 | 1987-09-11 | 横河メディカルシステム株式会社 | Ｎｍｒイメ−ジングにおける選択励起方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4563647A (en) * | 1982-06-09 | 1986-01-07 | Picker International Limited | Nuclear magnetic resonance methods and apparatus |
| US4480228A (en) * | 1982-10-15 | 1984-10-30 | General Electric Company | Selective volume method for performing localized NMR spectroscopy |
| US4684891A (en) * | 1985-07-31 | 1987-08-04 | The Regents Of The University Of California | Rapid magnetic resonance imaging using multiple phase encoded spin echoes in each of plural measurement cycles |
| NL8502223A (nl) * | 1985-08-12 | 1987-03-02 | Philips Nv | Werkwijze voor het selektief exciteren van een volume in een objekt. |
| GB8523673D0 (en) * | 1985-09-25 | 1985-10-30 | Picker Int Ltd | Nuclear magnetic resonance methods |
| JPS6346146A (ja) * | 1986-08-13 | 1988-02-27 | 株式会社東芝 | 磁気共鳴測定装置 |
-
1987
- 1987-12-02 JP JP87305286A patent/JPH01146529A/ja active Granted
-
1988
- 1988-12-01 US US07/278,453 patent/US4896111A/en not_active Expired - Fee Related
- 1988-12-02 DE DE3840725A patent/DE3840725A1/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6058539A (ja) * | 1983-09-12 | 1985-04-04 | Shimadzu Corp | Νｍｒ断層像撮影装置 |
| JPS62207447A (ja) * | 1986-03-07 | 1987-09-11 | 横河メディカルシステム株式会社 | Ｎｍｒイメ−ジングにおける選択励起方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4896111A (en) | 1990-01-23 |
| JPH0578334B2 (en]) | 1993-10-28 |
| DE3840725A1 (de) | 1989-06-15 |
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