JPH024332A - Ｍｒｉ装置 - Google Patents
Ｍｒｉ装置Info
- Publication number
- JPH024332A JPH024332A JP63151711A JP15171188A JPH024332A JP H024332 A JPH024332 A JP H024332A JP 63151711 A JP63151711 A JP 63151711A JP 15171188 A JP15171188 A JP 15171188A JP H024332 A JPH024332 A JP H024332A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- file
- phase difference
- jump
- noise
- 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 description 33
- 238000004364 calculation method Methods 0.000 claims abstract description 19
- 238000012937 correction Methods 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 230000005415 magnetization Effects 0.000 description 7
- 230000010363 phase shift Effects 0.000 description 7
- 239000013598 vector Substances 0.000 description 7
- 238000012417 linear regression Methods 0.000 description 4
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Image Analysis (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Complex Calculations (AREA)
- Image Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63151711A JPH024332A (ja) | 1988-06-20 | 1988-06-20 | Ｍｒｉ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63151711A JPH024332A (ja) | 1988-06-20 | 1988-06-20 | Ｍｒｉ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH024332A true JPH024332A (ja) | 1990-01-09 |
| JPH0374569B2 JPH0374569B2 (enExample) | 1991-11-27 |
Family
ID=15524604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63151711A Granted JPH024332A (ja) | 1988-06-20 | 1988-06-20 | Ｍｒｉ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH024332A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013183967A (ja) * | 2012-03-09 | 2013-09-19 | Hitachi Medical Corp | 磁気共鳴イメージング装置及び位相補正方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6272346A (ja) * | 1985-07-15 | 1987-04-02 | シーメンス アクチエンゲゼルシヤフト | フイ−ルド不均一情報を修正した化学シフト・イメ−ジ形成 |
-
1988
- 1988-06-20 JP JP63151711A patent/JPH024332A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6272346A (ja) * | 1985-07-15 | 1987-04-02 | シーメンス アクチエンゲゼルシヤフト | フイ−ルド不均一情報を修正した化学シフト・イメ−ジ形成 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013183967A (ja) * | 2012-03-09 | 2013-09-19 | Hitachi Medical Corp | 磁気共鳴イメージング装置及び位相補正方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0374569B2 (enExample) | 1991-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6043651A (en) | Method for the phase correction of nuclear magnetic resonance signals | |
| US5581184A (en) | Method for phase correction of nuclear magnetic resonance signals | |
| Parker et al. | Nonlinear smoothing for reduction of systematic and random errors in diffusion tensor imaging | |
| US4661775A (en) | Chemical shift imaging with field inhomogeneity correction | |
| In et al. | Highly accelerated PSF-mapping for EPI distortion correction with improved fidelity | |
| US5134372A (en) | Imaging method of water/fat separation in mri | |
| EP0105700B1 (en) | Nuclear magnetic resonance methods | |
| JPH09276243A (ja) | 磁気共鳴診断装置 | |
| US4649346A (en) | Complex quotient nuclear magnetic resonance imaging | |
| Sharma et al. | Improving chemical shift encoded water–fat separation using object‐based information of the magnetic field inhomogeneity | |
| CN108375746A (zh) | 一种相位反卷折方法与设备 | |
| JPH04288142A (ja) | 化学種によるｎｍｒ画像の分解方式 | |
| US6466016B1 (en) | Magnetic resonance imaging phase correction from pixel positions method and apparatus | |
| US6275037B1 (en) | Removing discontinuties in MRI-space data | |
| Liu et al. | Method of B 0 mapping with magnitude‐based correction for bipolar two‐point D ixon cardiac MRI | |
| US4724388A (en) | Magnetic resonance imaging method | |
| US6630827B1 (en) | Phase distribution measurement method and apparatus, phase correction method and apparatus, and magnetic resonance imaging apparatus | |
| Mani et al. | Comprehensive reconstruction of multi-shot multi-channel diffusion data using mussels | |
| JPH03264046A (ja) | 核磁気共鳴映像法及び装置 | |
| JPS63183046A (ja) | 磁気共鳴映像装置 | |
| JPH024332A (ja) | Ｍｒｉ装置 | |
| JP2767258B2 (ja) | 核磁気共鳴装置 | |
| Zakhor | Ghost cancellation algorithms for MRI images | |
| EP0390175A2 (en) | Multi-echo NMR imaging method | |
| CN115436855B (zh) | 涡流校正方法、磁共振图像校正方法、装置、设备和介质 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |