ATE395613T1 - Verfahren der kernspintomographie - Google Patents
Verfahren der kernspintomographieInfo
- Publication number
- ATE395613T1 ATE395613T1 AT02790584T AT02790584T ATE395613T1 AT E395613 T1 ATE395613 T1 AT E395613T1 AT 02790584 T AT02790584 T AT 02790584T AT 02790584 T AT02790584 T AT 02790584T AT E395613 T1 ATE395613 T1 AT E395613T1
- Authority
- AT
- Austria
- Prior art keywords
- image
- magnetic resonance
- voxels
- basis
- spatial
- 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
- 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
- G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
- G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
-
- 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
- G01R33/56545—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by finite or discrete sampling, e.g. Gibbs ringing, truncation artefacts, phase aliasing artefacts
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)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Epoxy Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204892 | 2001-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE395613T1 true ATE395613T1 (de) | 2008-05-15 |
Family
ID=8181438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02790584T ATE395613T1 (de) | 2001-12-17 | 2002-12-16 | Verfahren der kernspintomographie |
Country Status (8)
Country | Link |
---|---|
US (1) | US7042217B2 (de) |
EP (1) | EP1554595B1 (de) |
JP (1) | JP4927316B2 (de) |
CN (1) | CN100443917C (de) |
AT (1) | ATE395613T1 (de) |
AU (1) | AU2002366452A1 (de) |
DE (1) | DE60226648D1 (de) |
WO (1) | WO2003052440A2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10147941B4 (de) * | 2001-09-28 | 2005-01-05 | Siemens Ag | Verfahren zur Magnetresonanz-Bildgebung bei schwankender Sendefeldstärke |
CN100396240C (zh) * | 2005-02-28 | 2008-06-25 | 西门子(中国)有限公司 | 频域灵敏度编码磁共振并行成像方法 |
US7282917B1 (en) * | 2006-03-30 | 2007-10-16 | General Electric Company | Method and apparatus of multi-coil MR imaging with hybrid space calibration |
MX2009001136A (es) * | 2006-08-03 | 2009-02-10 | Univ California | Metodos iterativos para reduccion de dosis y mejoramiento de imagen en tomografia. |
DE102007004620B4 (de) * | 2007-01-30 | 2010-02-04 | Siemens Ag | Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung |
US7777487B2 (en) * | 2007-02-15 | 2010-08-17 | Uwm Research Foundation, Inc. | Methods and apparatus for joint image reconstruction and coil sensitivity estimation in parallel MRI |
CN101470179B (zh) * | 2007-12-29 | 2012-06-27 | 西门子(中国)有限公司 | 磁共振成像中失真校准的方法和装置 |
US8475525B2 (en) * | 2010-01-22 | 2013-07-02 | 4Tech Inc. | Tricuspid valve repair using tension |
EP2402780A1 (de) * | 2010-06-23 | 2012-01-04 | Koninklijke Philips Electronics N.V. | Verfahren zur Rekonstruktion eines Magnetresonanzbildes eines Objekts unter Berücksichtigung von dynamischen Feldern höherer Ordnung |
DE102011006851B4 (de) * | 2011-04-06 | 2012-12-06 | Siemens Aktiengesellschaft | Gruppierung von diffusionsgewichteten MR-Bildern nach den verwendeten Diffusionsgradienten zur Erstellung einer Diffusionsinformation |
DE102011088828B4 (de) * | 2011-12-16 | 2013-08-29 | Siemens Aktiengesellschaft | Erstellung eines MR-Bildes eines Untersuchungsobjekts unter Verwendung einer für ein Empfangsspulenelement erstellten Maske |
CN104434108B (zh) * | 2014-12-09 | 2017-02-01 | 中国科学院武汉物理与数学研究所 | 一种基于相邻层信息和欠采样的多层磁共振快速成像方法 |
US10631874B2 (en) * | 2015-07-15 | 2020-04-28 | Atricure, Inc. | Surgical tool |
WO2017177197A1 (en) * | 2016-04-08 | 2017-10-12 | The Johns Hopkins University | Method of fast imaging of nmr parameters with variably-accelerated sensitivity encoding |
JP7025410B2 (ja) | 2016-08-25 | 2022-02-24 | コーニンクレッカ フィリップス エヌ ヴェ | 補正された感度符号化磁気共鳴イメージング |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4935493A (en) * | 1987-10-06 | 1990-06-19 | E. I. Du Pont De Nemours And Company | Protease inhibitors |
US5462928A (en) * | 1990-04-14 | 1995-10-31 | New England Medical Center Hospitals, Inc. | Inhibitors of dipeptidyl-aminopeptidase type IV |
US5086275A (en) * | 1990-08-20 | 1992-02-04 | General Electric Company | Time domain filtering for nmr phased array imaging |
US6825169B1 (en) * | 1991-10-22 | 2004-11-30 | Trustees Of Tufts College | Inhibitors of dipeptidyl-aminopeptidase type IV |
CN1248895A (zh) * | 1997-12-26 | 2000-03-29 | 住友特殊金属株式会社 | 磁共振成象磁场发生器 |
US6803357B1 (en) * | 1998-02-02 | 2004-10-12 | New England Medical Center Hospitals, Inc. | Method of regulating glucose metabolism, and reagents related thereto |
US6326786B1 (en) * | 1998-04-17 | 2001-12-04 | U.S. Philips Corporation | Magnetic resonance imaging method and apparatus |
BR9910251A (pt) * | 1998-05-04 | 2001-01-02 | Point Therapeutics Inc | Estimulação hematopoiética |
GB2348005A (en) * | 1999-03-13 | 2000-09-20 | Marconi Electronic Syst Ltd | NMR apparatus with additional RF receive coil to reduce aliasing |
WO2000072034A1 (en) | 1999-05-20 | 2000-11-30 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging method with sub-sampling |
EP2133714A1 (de) | 1999-05-24 | 2009-12-16 | Walid E. Kyriakos | Verfahren und Vorrichtung zur parallelen Datenerfassung mittels eines MRI-Spulenarrays |
US6890904B1 (en) * | 1999-05-25 | 2005-05-10 | Point Therapeutics, Inc. | Anti-tumor agents |
JP3952247B2 (ja) * | 1999-12-08 | 2007-08-01 | 株式会社日立メディコ | 核磁気共鳴撮影装置 |
US6611143B2 (en) * | 2000-03-14 | 2003-08-26 | Kabushiki Kaisha Toshiba | MRI apparatus generating odd and/or even echo images with sensitivity distribution of coils |
CN1252488C (zh) * | 2000-03-24 | 2006-04-19 | 皇家菲利浦电子有限公司 | 磁共振成像的方法及系统 |
KR20030071833A (ko) * | 2001-01-19 | 2003-09-06 | 가부시끼가이샤 도시바 | 고정밀한 코일감도맵을 사용한 패러렐 mr이미징 |
-
2002
- 2002-12-16 EP EP02790584A patent/EP1554595B1/de not_active Expired - Lifetime
- 2002-12-16 DE DE60226648T patent/DE60226648D1/de not_active Expired - Lifetime
- 2002-12-16 JP JP2003553277A patent/JP4927316B2/ja not_active Expired - Fee Related
- 2002-12-16 CN CNB028251652A patent/CN100443917C/zh not_active Expired - Fee Related
- 2002-12-16 AT AT02790584T patent/ATE395613T1/de not_active IP Right Cessation
- 2002-12-16 AU AU2002366452A patent/AU2002366452A1/en not_active Abandoned
- 2002-12-16 WO PCT/IB2002/005464 patent/WO2003052440A2/en active IP Right Grant
- 2002-12-16 US US10/498,706 patent/US7042217B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7042217B2 (en) | 2006-05-09 |
JP2005527257A (ja) | 2005-09-15 |
AU2002366452A1 (en) | 2003-06-30 |
AU2002366452A8 (en) | 2003-06-30 |
CN100443917C (zh) | 2008-12-17 |
EP1554595A2 (de) | 2005-07-20 |
DE60226648D1 (de) | 2008-06-26 |
CN1636144A (zh) | 2005-07-06 |
WO2003052440A2 (en) | 2003-06-26 |
JP4927316B2 (ja) | 2012-05-09 |
EP1554595B1 (de) | 2008-05-14 |
WO2003052440A3 (en) | 2005-05-26 |
US20050017718A1 (en) | 2005-01-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE395613T1 (de) | Verfahren der kernspintomographie | |
Zaitsev et al. | Point spread function mapping with parallel imaging techniques and high acceleration factors: Fast, robust, and flexible method for echo‐planar imaging distortion correction | |
US6396269B1 (en) | Magnetic resonance imaging | |
EP1111401A3 (de) | Vorrichtung und Verfahren zur Bildgebung mittels magnetischer Resonanz | |
JP2002534180A5 (de) | ||
JP2005527257A5 (de) | ||
JP2006507071A5 (de) | ||
ATE337559T1 (de) | Kombinierung komplexer bilder von flüssigem material, aufgenommen durch bilderzeugung mit magnetischer resonanz | |
DE3578951D1 (de) | Verfahren zur zweidimensionalen bilderzeugung mittels magnetischer kernresonanz. | |
ATE467135T1 (de) | Kombination von signalen von array-spulen in der magnetresonanzbildgebung | |
EP1188072A1 (de) | Verfahren und anlage zur parallelen datenerfassung aus eine mri spulenanordnung | |
ATE405850T1 (de) | Auf magnetischer resonanz beruhendes verfahren zur erstellung eines schnellen dynamischen bildes | |
Hennel et al. | In‐plane “superresolution” MRI with phaseless sub‐pixel encoding | |
Barmet et al. | Sensitivity encoding and B0 inhomogeneity-A simultaneous reconstruction approach | |
Numano et al. | In vivo isotropic 3D diffusion tensor mapping of the rat brain using diffusion-weighted 3D MP-RAGE MRI | |
Tan et al. | Accelerated parallel magnetic resonance imaging with multi-channel chaotic compressed sensing | |
Kawagoe et al. | Ultra-low field MRI food inspection system prototype | |
Hajnal et al. | An array that exploits phase for SENSE imaging | |
Xiang et al. | Differential flow imaging by NMR | |
King | ASSET–parallel imaging on the GE scanner | |
Larkman et al. | Water and fat separation using standard SENSE processing | |
Lin et al. | Parallel imaging technique using localized gradients (PatLoc) reconstruction using orthogonal mode decomposition | |
Weiger et al. | 2D SENSE for faster 3D imaging | |
KR101769791B1 (ko) | 자기공명분광영상 또는 자기공명분광기의 주주파수 이동에 따른 신호 왜곡 보상 장치 및 보상 방법 | |
Brau et al. | Accelerated IDEAL water-fat separation techniques for single-and multi-coil applications |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |