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TW200745586A - Wave-propagation based estimation of coil sensitivities - Google Patents

Wave-propagation based estimation of coil sensitivities

Info

Publication number
TW200745586A
TW200745586A TW096112553A TW96112553A TW200745586A TW 200745586 A TW200745586 A TW 200745586A TW 096112553 A TW096112553 A TW 096112553A TW 96112553 A TW96112553 A TW 96112553A TW 200745586 A TW200745586 A TW 200745586A
Authority
TW
Taiwan
Prior art keywords
coil
low resolution
sensitivity
map
whole
Prior art date
Application number
TW096112553A
Other languages
English (en)
Inventor
Richard Winkelmann
Peter Boernert
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200745586A publication Critical patent/TW200745586A/zh

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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
    • 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

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
TW096112553A 2006-04-13 2007-04-10 Wave-propagation based estimation of coil sensitivities TW200745586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74475506P 2006-04-13 2006-04-13

Publications (1)

Publication Number Publication Date
TW200745586A true TW200745586A (en) 2007-12-16

Family

ID=38293329

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096112553A TW200745586A (en) 2006-04-13 2007-04-10 Wave-propagation based estimation of coil sensitivities

Country Status (7)

Country Link
US (1) US20090278536A1 (zh)
EP (1) EP2010930A1 (zh)
JP (1) JP2009533163A (zh)
CN (1) CN101484821A (zh)
RU (1) RU2008144711A (zh)
TW (1) TW200745586A (zh)
WO (1) WO2007121023A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102612657B (zh) * 2009-09-17 2015-11-25 皇家飞利浦电子股份有限公司 针对磁共振成像的图像强度校正
JP5698554B2 (ja) * 2010-03-05 2015-04-08 株式会社東芝 磁気共鳴イメージング装置
US8515696B2 (en) * 2011-01-20 2013-08-20 General Electric Company Method and system for acquiring and analyzing coil data
WO2012131520A2 (en) * 2011-03-28 2012-10-04 Koninklijke Philips Electronics N.V. Contrast-dependent resolution image
US9146293B2 (en) 2012-02-27 2015-09-29 Ohio State Innovation Foundation Methods and apparatus for accurate characterization of signal coil receiver sensitivity in magnetic resonance imaging (MRI)
US9955897B2 (en) 2012-07-16 2018-05-01 Koninklijke Philips N.V. Prediction, scoring, and classification of magnetic resonance contrast using contrast signal scoring equation
DE102015203306A1 (de) * 2015-02-24 2016-08-25 Siemens Healthcare Gmbh Verfahren zur Ermittlung von absoluten Empfangssensitivitätskarten für Empfangsspulen in einer Magnetresonanzeinrichtung und Magnetresonanzeinrichtung
US11579219B2 (en) 2017-10-06 2023-02-14 University Of Cincinnati Systems and methods for estimating complex radiofrequency fields in a magnetic resonance imaging
US10859646B2 (en) * 2018-05-31 2020-12-08 General Electric Company Method and systems for coil selection in magnetic resonance imaging to reduce annefact artifact
CN115097367A (zh) * 2022-06-20 2022-09-23 光子集成(温州)创新研究院 磁共振多通道射频脉冲预矫正方法、装置及应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1366710A4 (en) * 2001-01-19 2004-06-30 Toshiba Kk PARALLEL MR TOMOGRAPHY WITH HIGH PRECISION COIL SENSITIVITY MAP
US6836116B2 (en) * 2002-07-01 2004-12-28 Ge Medical Systems Global Technology Company, Llc. Sensitivity encoding magnetic resonance imaging method and system
US20050096534A1 (en) * 2003-10-31 2005-05-05 Yudong Zhu Systems and methods for calibrating coil sensitivity profiles
US7385397B2 (en) * 2004-02-26 2008-06-10 Kabushiki Kaisha Toshiba Magnetic resonance imaging device and data processing method for magnetic resonance imaging device
US7397242B2 (en) * 2005-10-27 2008-07-08 Wisconsin Alumni Research Foundation Parallel magnetic resonance imaging method using a radial acquisition trajectory

Also Published As

Publication number Publication date
EP2010930A1 (en) 2009-01-07
RU2008144711A (ru) 2010-05-20
US20090278536A1 (en) 2009-11-12
WO2007121023A1 (en) 2007-10-25
JP2009533163A (ja) 2009-09-17
CN101484821A (zh) 2009-07-15

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