JP2005111276A - 低信号領域を伴うｓｅｎｓｅのための画質改善 - Google Patents

低信号領域を伴うｓｅｎｓｅのための画質改善 Download PDF

Info

Publication number
JP2005111276A
JP2005111276A JP2004297722A JP2004297722A JP2005111276A JP 2005111276 A JP2005111276 A JP 2005111276A JP 2004297722 A JP2004297722 A JP 2004297722A JP 2004297722 A JP2004297722 A JP 2004297722A JP 2005111276 A JP2005111276 A JP 2005111276A
Authority
JP
Japan
Prior art keywords
sense
scan
calculation
creating
image
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
Application number
JP2004297722A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005111276A5 (enExample
Inventor
Elisabeth C Angelos
エリザベス・シー・アンゲロス
Kevin F King
ケビン・フランクリン・キング
Cynthia Faye Maier
シンシア・フェイ・マイアー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of JP2005111276A publication Critical patent/JP2005111276A/ja
Publication of JP2005111276A5 publication Critical patent/JP2005111276A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2004297722A 2003-10-09 2004-10-12 低信号領域を伴うｓｅｎｓｅのための画質改善 Pending JP2005111276A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/605,566 US6919722B2 (en) 2003-10-09 2003-10-09 Image quality improvement for SENSE with low signal regions

Publications (2)

Publication Number Publication Date
JP2005111276A true JP2005111276A (ja) 2005-04-28
JP2005111276A5 JP2005111276A5 (enExample) 2007-11-22

Family

ID=34421878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004297722A Pending JP2005111276A (ja) 2003-10-09 2004-10-12 低信号領域を伴うｓｅｎｓｅのための画質改善

Country Status (3)

Country Link
US (1) US6919722B2 (enExample)
JP (1) JP2005111276A (enExample)
NL (1) NL1027190C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008099717A (ja) * 2006-10-17 2008-05-01 Hitachi Medical Corp 磁気共鳴イメージング装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006507072A (ja) * 2002-11-26 2006-03-02 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 低次磁場中のｍｒｉコイル感度の決定
WO2007124151A2 (en) * 2006-04-21 2007-11-01 The Trustees Of The University Of Pennsylvania Rapid 3-dimensional bilateral breast mr imaging
DE102007004620B4 (de) * 2007-01-30 2010-02-04 Siemens Ag Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung
EP2233941A1 (en) 2009-03-25 2010-09-29 Koninklijke Philips Electronics N.V. MR imaging using parallel signal acquisition
US9277898B2 (en) * 2012-12-27 2016-03-08 General Electric Company Stationary anterior phased array coil for simultaneous PET-MR imaging
JP6513336B2 (ja) 2014-03-25 2019-05-15 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置及び画像処理装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001161657A (ja) * 1999-12-08 2001-06-19 Hitachi Medical Corp 核磁気共鳴撮影装置
JP2001198108A (ja) * 1999-11-15 2001-07-24 Marconi Caswell Ltd 磁気共鳴画像の方法及び装置
JP2002315731A (ja) * 2001-04-20 2002-10-29 Hitachi Medical Corp 磁気共鳴イメージング装置
JP2003102702A (ja) * 2001-09-14 2003-04-08 Ge Medical Systems Global Technology Co Llc 感度エンコーディングｍｒｉ収集の改良型方法
JP2003180657A (ja) * 2001-11-15 2003-07-02 Koninkl Philips Electronics Nv Ｍｒ弾性撮像法のための乳房撮像用補助装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3193450B2 (ja) 1992-05-20 2001-07-30 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
US5910728A (en) * 1996-11-12 1999-06-08 Beth Israel Deaconess Medical Center Simultaneous acquisition of spatial harmonics (SMASH): ultra-fast imaging with radiofrequency coil arrays
US6487435B2 (en) * 1998-04-10 2002-11-26 Wisconsin Alumni Research Foundation Magnetic resonance angiography using undersampled 3D projection imaging
EP0990169A1 (en) * 1998-04-17 2000-04-05 Koninklijke Philips Electronics N.V. Magnetic resonance imaging method and apparatus
WO2001040827A1 (en) * 1999-12-03 2001-06-07 Johns Hopkins University Apparatus and methods for spatial encoded mri
US6777934B2 (en) * 1999-12-08 2004-08-17 Hitachi Medical Corporation Magnetic resonance imaging method and apparatus
US6717406B2 (en) * 2000-03-14 2004-04-06 Beth Israel Deaconess Medical Center, Inc. Parallel magnetic resonance imaging techniques using radiofrequency coil arrays
US6486671B1 (en) 2001-05-14 2002-11-26 Ge Medical Systems Global Technologies Company Llc MRI image quality improvement using matrix regularization
DE10144654B4 (de) * 2001-09-11 2005-02-17 Siemens Ag Gerät und Verfahren zur Magnet-Resonanz-Bildgebung unter Verwendung einer verbesserten parallelen Akquisition
US6771071B1 (en) * 2001-11-06 2004-08-03 The Texas A&M University System Magnetic resonance imaging using a reduced number of echo acquisitions
WO2003093854A1 (en) * 2002-05-01 2003-11-13 The Brigham And Women's Hospital, Inc. Variable k-space-density parallel magnetic resonance imaging

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001198108A (ja) * 1999-11-15 2001-07-24 Marconi Caswell Ltd 磁気共鳴画像の方法及び装置
JP2001161657A (ja) * 1999-12-08 2001-06-19 Hitachi Medical Corp 核磁気共鳴撮影装置
JP2002315731A (ja) * 2001-04-20 2002-10-29 Hitachi Medical Corp 磁気共鳴イメージング装置
JP2003102702A (ja) * 2001-09-14 2003-04-08 Ge Medical Systems Global Technology Co Llc 感度エンコーディングｍｒｉ収集の改良型方法
JP2003180657A (ja) * 2001-11-15 2003-07-02 Koninkl Philips Electronics Nv Ｍｒ弾性撮像法のための乳房撮像用補助装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008099717A (ja) * 2006-10-17 2008-05-01 Hitachi Medical Corp 磁気共鳴イメージング装置

Also Published As

Publication number Publication date
US20050077896A1 (en) 2005-04-14
NL1027190A1 (nl) 2005-04-12
US6919722B2 (en) 2005-07-19
NL1027190C2 (nl) 2006-01-31

Similar Documents

Publication Publication Date Title
JP5048052B2 (ja) 磁気共鳴イメージング装置および磁気共鳴イメージング方法
JP3976684B2 (ja) 画像における動きの影響を低減する方法および装置
US9964615B2 (en) MR image reconstruction using compressed sensing
JP4152381B2 (ja) 磁気共鳴イメージング装置
US20060273789A1 (en) Method of reconstructing an mr image
JP2014508622A (ja) 事前情報に制約される正則化を使用するｍｒ画像再構成
US9658304B2 (en) MRI method for retrospective motion correction with interleaved radial acquisition
US8594400B2 (en) System and method for MR image scan and analysis
US6486671B1 (en) MRI image quality improvement using matrix regularization
JP2018519909A (ja) 動き検出を用いるｍｒ撮像
JP2003079595A (ja) 磁気共鳴イメージング装置及び磁気共鳴イメージング装置用ｒｆ受信コイル
JP2016504144A (ja) 金属耐性ｍｒ画像化
JP4047553B2 (ja) 磁気共鳴イメージング装置
CN113939846B (zh) 具有偏共振伪影校正的螺旋mr成像
JP2006507071A (ja) 磁気共鳴方法
EP3589197B1 (en) System and method for improved diffusion-weighted imaging
JP5536358B2 (ja) 磁気共鳴イメージング装置及び感度補正方法
JP2005111276A (ja) 低信号領域を伴うｓｅｎｓｅのための画質改善
US20190137586A1 (en) System and method for magnetic resonance imaging an object with a plurality of readout gradient amplitudes
JP4679158B2 (ja) 磁気共鳴イメージング装置
JP2004531335A (ja) 磁気共鳴イメージング
JP4330247B2 (ja) 核磁気共鳴イメージング装置
JP4698231B2 (ja) 磁気共鳴診断装置
JP4975614B2 (ja) 磁気共鳴イメージング装置及び方法
JP5156958B2 (ja) 磁気共鳴イメージング装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071009

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20071009

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20101007

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20101026

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20110119

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20110119

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20110119

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20110125

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20110705