JP2002306445A5 - - Google Patents
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- Publication number
- JP2002306445A5 JP2002306445A5 JP2001112765A JP2001112765A JP2002306445A5 JP 2002306445 A5 JP2002306445 A5 JP 2002306445A5 JP 2001112765 A JP2001112765 A JP 2001112765A JP 2001112765 A JP2001112765 A JP 2001112765A JP 2002306445 A5 JP2002306445 A5 JP 2002306445A5
- Authority
- JP
- Japan
- Prior art keywords
- phase
- regions
- magnetic resonance
- resonance imaging
- magnetic field
- 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
- 238000011156 evaluation Methods 0.000 claims 9
- 238000002595 magnetic resonance imaging Methods 0.000 claims 8
- 238000000034 method Methods 0.000 claims 7
- 230000003068 static effect Effects 0.000 claims 5
- 238000003672 processing method Methods 0.000 claims 2
- 238000005481 NMR spectroscopy Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001112765A JP3976515B2 (ja) | 2001-04-11 | 2001-04-11 | 磁気共鳴イメージング装置及び画像処理方法 |
| US10/474,313 US8027713B2 (en) | 2001-04-11 | 2002-04-11 | Magnetic resonance imaging apparatus and image processing method |
| EP02717115A EP1380257B1 (en) | 2001-04-11 | 2002-04-11 | Magnetic resonance imaging apparatus and image processing method |
| PCT/JP2002/003614 WO2002082994A1 (en) | 2001-04-11 | 2002-04-11 | Magnetic resonance imaging apparatus and image processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001112765A JP3976515B2 (ja) | 2001-04-11 | 2001-04-11 | 磁気共鳴イメージング装置及び画像処理方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002306445A JP2002306445A (ja) | 2002-10-22 |
| JP2002306445A5 true JP2002306445A5 (enExample) | 2005-09-22 |
| JP3976515B2 JP3976515B2 (ja) | 2007-09-19 |
Family
ID=18964111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001112765A Expired - Fee Related JP3976515B2 (ja) | 2001-04-11 | 2001-04-11 | 磁気共鳴イメージング装置及び画像処理方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8027713B2 (enExample) |
| EP (1) | EP1380257B1 (enExample) |
| JP (1) | JP3976515B2 (enExample) |
| WO (1) | WO2002082994A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897874A (zh) * | 2004-11-10 | 2007-01-17 | 株式会社东芝 | 相位展开演化方法和利用该方法的磁共振成像设备 |
| JP5142979B2 (ja) * | 2005-03-23 | 2013-02-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 緩和パラメータを空間的に分解して決定するための磁気共鳴方法 |
| US7619411B2 (en) * | 2006-08-28 | 2009-11-17 | Wisconsin Alumni Research Foundation | Generalized method for MRI chemical species separation using arbitrary k-space trajectories |
| JP5300279B2 (ja) * | 2008-01-31 | 2013-09-25 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| DE102008044844B4 (de) | 2008-08-28 | 2018-08-30 | Siemens Healthcare Gmbh | Verfahren zur Ermittlung einer Schwächungskarte zur Verwendung in der Positronenemissionstomographie und von Homogenitätsinformationen des Magnetresonanzmagnetfeldes |
| JP5202736B2 (ja) * | 2009-06-24 | 2013-06-05 | 株式会社日立製作所 | 生体計測装置 |
| US8867836B2 (en) * | 2009-09-01 | 2014-10-21 | Children's Medical Center Corporation | Image registration methods and apparatus using random projections |
| DE102009049520B4 (de) * | 2009-10-15 | 2015-02-12 | Siemens Aktiengesellschaft | Multi-Echo-MR-Sequenz mit verbessertem Signal-zu-Rauschverhältnis der Phaseninformation |
| CN102736047B (zh) * | 2011-04-13 | 2016-04-13 | 深圳迈瑞生物医疗电子股份有限公司 | 磁共振系统及其水脂分离成像方法、装置 |
| JP5873280B2 (ja) * | 2011-09-28 | 2016-03-01 | 株式会社日立メディコ | 磁気共鳴イメージング装置、及び、位相アンラップ方法 |
| US9689949B2 (en) * | 2011-10-12 | 2017-06-27 | Siemens Healthcare Gmbh | Phase unwrapping in phase contrast MR imaging |
| KR20150091095A (ko) * | 2012-11-30 | 2015-08-07 | 마그네패스 피티와이 엘티디 | 자기 공명 영상에 대한 개선점들 |
| CN105934683B (zh) * | 2013-12-19 | 2019-05-28 | 皇家飞利浦有限公司 | 具有对主磁场变化的估计的dixon型水/脂肪分离的mri |
| JP6560492B2 (ja) * | 2014-12-25 | 2019-08-14 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 磁気共鳴装置およびプログラム |
| WO2021177353A1 (ja) * | 2020-03-04 | 2021-09-10 | 国立大学法人熊本大学 | 画像処理方法、画像処理装置、プログラム及び記録媒体 |
| WO2022109287A1 (en) * | 2020-11-20 | 2022-05-27 | Resonance Research, Inc. | Mapping and correction of inhomogeneity in magnetic resonance imaging magnetic field |
| US12135362B2 (en) | 2020-12-14 | 2024-11-05 | Siemens Healthineers Ag | B0 field inhomogeneity estimation using internal phase maps from long single echo time MRI acquisition |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4797615A (en) * | 1987-09-30 | 1989-01-10 | Elscint Ltd. | Determining and correcting for phase jumps |
| US5078141A (en) * | 1988-04-29 | 1992-01-07 | Kabushiki Kaisha Toshiba | Method and system for acquiring image representing brain surface anatomy |
| JP2767258B2 (ja) | 1988-09-22 | 1998-06-18 | ジーイー横河メディカルシステム株式会社 | 核磁気共鳴装置 |
| US5162737A (en) * | 1989-03-31 | 1992-11-10 | Hitachi, Ltd. | Multi-echo NMR imaging method |
| US5144235A (en) | 1990-08-10 | 1992-09-01 | General Electric Company | Method of decomposing nmr images by chemical species |
| JPH05317286A (ja) | 1992-05-20 | 1993-12-03 | Yokogawa Medical Syst Ltd | 複数エコーを用いたmriにおける位相補正方法 |
| US5432447A (en) * | 1993-08-11 | 1995-07-11 | Board Of Trustees Of The Leland Stanford Junior University | Phase unwrapping of MR phase images using poisson equation |
| US5485085A (en) * | 1994-11-28 | 1996-01-16 | Board Of Trustees Of The Leland Stanford Junior University | Method for correcting magnetic field inhomogeneity distortion in MRI images having disconnected regions |
| US5701074A (en) * | 1996-04-25 | 1997-12-23 | Eiscint Ltd. | Spectral component separation including unwrapping of the phase via a poisson equation utilizing a weighting map |
| US5783942A (en) * | 1996-12-30 | 1998-07-21 | Bernstein; Matthew A. | Unwrap correction for MR phase data encoding flow-related parameter |
| US6263228B1 (en) * | 1998-08-27 | 2001-07-17 | Toshiba America, Mri, Inc. | Method and apparatus for providing separate water-dominant and fat-dominant images from single scan single point dixon MRI sequences |
| US6147492A (en) * | 1998-10-28 | 2000-11-14 | Toshiba America Mri, Inc. | Quantitative MR imaging of water and fat using a quadruple-echo sequence |
| JP4219032B2 (ja) | 1999-02-16 | 2009-02-04 | 株式会社日立メディコ | 磁気共鳴画像診断装置 |
| US6728568B1 (en) * | 1999-05-31 | 2004-04-27 | Hitachi Medical Corporation | Magnetic resonance imaging method and device |
| US6150973A (en) * | 1999-07-27 | 2000-11-21 | Lockheed Martin Corporation | Automatic correction of phase unwrapping errors |
| JP3534669B2 (ja) | 2000-01-27 | 2004-06-07 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 磁気共鳴撮像装置 |
| JP4251763B2 (ja) * | 2000-08-11 | 2009-04-08 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| WO2002053031A1 (fr) * | 2000-12-28 | 2002-07-11 | Hitachi Medical Corporation | Appareil et procede d'imagerie par resonance magnetique |
| US6714807B2 (en) * | 2001-06-29 | 2004-03-30 | Ge Medical Systems Global Technology Co., Llc | Magnetic resonance imaging system |
| US6603990B2 (en) * | 2001-08-10 | 2003-08-05 | Toshiba America Mri, Inc. | Separation and identification of water and fat MR images at mid-field strength with reduced T2/T2* weighting |
-
2001
- 2001-04-11 JP JP2001112765A patent/JP3976515B2/ja not_active Expired - Fee Related
-
2002
- 2002-04-11 WO PCT/JP2002/003614 patent/WO2002082994A1/ja not_active Ceased
- 2002-04-11 US US10/474,313 patent/US8027713B2/en not_active Expired - Lifetime
- 2002-04-11 EP EP02717115A patent/EP1380257B1/en not_active Expired - Lifetime
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