NL8400699A - Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden. - Google Patents

Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden. Download PDF

Info

Publication number
NL8400699A
NL8400699A NL8400699A NL8400699A NL8400699A NL 8400699 A NL8400699 A NL 8400699A NL 8400699 A NL8400699 A NL 8400699A NL 8400699 A NL8400699 A NL 8400699A NL 8400699 A NL8400699 A NL 8400699A
Authority
NL
Netherlands
Prior art keywords
magnetic field
generated
gradient
signal
integral
Prior art date
Application number
NL8400699A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Priority to NL8400699A priority Critical patent/NL8400699A/nl
Priority to EP85200309A priority patent/EP0155052B1/fr
Priority to US06/707,707 priority patent/US4682110A/en
Priority to DE8585200309T priority patent/DE3571078D1/de
Priority to CA000475724A priority patent/CA1254943A/fr
Priority to IL74509A priority patent/IL74509A/xx
Priority to JP60041999A priority patent/JPS60205341A/ja
Publication of NL8400699A publication Critical patent/NL8400699A/nl

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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL8400699A 1984-03-05 1984-03-05 Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden. NL8400699A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8400699A NL8400699A (nl) 1984-03-05 1984-03-05 Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden.
EP85200309A EP0155052B1 (fr) 1984-03-05 1985-03-04 Procédé pour réduire les artefacts dans la production d'images formées au moyen de la zeugmatographie à transformation de Fourier
US06/707,707 US4682110A (en) 1984-03-05 1985-03-04 Method of reducing artefacts in images formed by means of fourier zeugmatography
DE8585200309T DE3571078D1 (en) 1984-03-05 1985-03-04 Method of reducing artefacts in images formed by means of fourier zeugmatography
CA000475724A CA1254943A (fr) 1984-03-05 1985-03-05 Methode pour reduire les artefacts dans les images de zeugmatographie fourier
IL74509A IL74509A (en) 1984-03-05 1985-03-05 Method and apparatus for determining nmr distribution in a region of the body
JP60041999A JPS60205341A (ja) 1984-03-05 1985-03-05 核磁気共鳴分布を求める方法および装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8400699A NL8400699A (nl) 1984-03-05 1984-03-05 Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden.
NL8400699 1984-03-05

Publications (1)

Publication Number Publication Date
NL8400699A true NL8400699A (nl) 1985-10-01

Family

ID=19843599

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8400699A NL8400699A (nl) 1984-03-05 1984-03-05 Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden.

Country Status (7)

Country Link
US (1) US4682110A (fr)
EP (1) EP0155052B1 (fr)
JP (1) JPS60205341A (fr)
CA (1) CA1254943A (fr)
DE (1) DE3571078D1 (fr)
IL (1) IL74509A (fr)
NL (1) NL8400699A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612504A (en) * 1984-11-21 1986-09-16 General Electric Company Method for removing the effects of baseline error components in NMR imaging applications
NL8501459A (nl) * 1985-05-22 1986-12-16 Philips Nv Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden.
US4779620A (en) * 1985-06-11 1988-10-25 Siemens Aktiengesellschaft Nuclear magnetic resonance tomography apparatus and method
US4721911A (en) * 1985-07-26 1988-01-26 Siemens Aktiengesellschaft Nuclear magnetic resonance tomography apparatus
US4843549A (en) * 1986-02-21 1989-06-27 U.S. Philips Corporation Method of determining the spectral distribution of the nuclear magnetization in a limited volume, and device for performing the method
NL8601845A (nl) * 1986-07-15 1988-02-01 Philips Nv Mri-werkwijze en inrichting voor het reduceren van artefacten door middel van fasecodering.
US4751462A (en) * 1987-05-26 1988-06-14 General Electric Company Method for acquiring NMR data which is subject to periodic variations
US4761613A (en) * 1987-08-12 1988-08-02 Picker International, Inc. Monitored echo gating for the reduction of motion artifacts
JPH01218439A (ja) * 1988-02-26 1989-08-31 Hitachi Ltd 磁気共鳴イメージング装置
US4862081A (en) * 1988-11-23 1989-08-29 Picker International, Inc. DC artifact removal in magnetic resonance imaging
DE4014220A1 (de) * 1989-05-16 1990-11-22 Siemens Ag Entfaltung der uebertragungsfunktion bei der bilderzeugung mittels kernmagnetischer resonanz
JP3183915B2 (ja) * 1991-09-03 2001-07-09 株式会社東芝 磁気共鳴イメージング装置
AU4836396A (en) 1995-02-24 1996-09-11 British Technology Group Limited Method of and apparatus for nuclear quadrupole resonance testing a sample, and pulse sequence for exciting nuclear quadrupole resonance
US6714807B2 (en) 2001-06-29 2004-03-30 Ge Medical Systems Global Technology Co., Llc Magnetic resonance imaging system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1052861A (fr) * 1975-03-18 1979-04-17 Varian Associates Zeugmatographie par resonance gyromagnetique a l'aide de la transformee de fourier
GB1580787A (en) * 1976-04-14 1980-12-03 Mansfield P Nuclear magnetic resonance apparatus and methods
US4318043A (en) * 1978-07-20 1982-03-02 The Regents Of The University Of California Method and apparatus for rapid NMR imaging of nuclear densities within an object
GB2056078B (en) * 1979-08-03 1984-02-29 Emi Ltd Nuclear magnetic resonance systems
US4319190A (en) * 1980-03-06 1982-03-09 Bell Telephone Laboratories, Incorporated Nuclear magnetic resonance imaging in space and frequency coordinates
US4431968A (en) * 1982-04-05 1984-02-14 General Electric Company Method of three-dimensional NMR imaging using selective excitation
US4443760A (en) * 1982-07-01 1984-04-17 General Electric Company Use of phase alternated RF pulses to eliminate effects of spurious free induction decay caused by imperfect 180 degree RF pulses in NMR imaging
GB2124388B (en) * 1982-07-28 1986-02-12 Picker Int Ltd Nuclear magnetic resonance method and apparatus
US4506223A (en) * 1982-11-22 1985-03-19 General Electric Company Method for performing two-dimensional and three-dimensional chemical shift imaging
US4573014A (en) * 1983-11-09 1986-02-25 Duke University NMR Imaging method and apparatus

Also Published As

Publication number Publication date
IL74509A (en) 1989-09-10
EP0155052A1 (fr) 1985-09-18
US4682110A (en) 1987-07-21
DE3571078D1 (en) 1989-07-20
JPH0576296B2 (fr) 1993-10-22
IL74509A0 (en) 1985-06-30
JPS60205341A (ja) 1985-10-16
CA1254943A (fr) 1989-05-30
EP0155052B1 (fr) 1989-06-14

Similar Documents

Publication Publication Date Title
KR101630507B1 (ko) 자기 공명 시스템을 동작시키기 위한 방법 및 제어 디바이스
US6078176A (en) Fast spin echo pulse sequence for diffusion weighted imaging
EP1037067B1 (fr) Méthode d'IRM non-CPMG à échos de spin rapides
EP0529527B1 (fr) Procédé et appareil d'imagerie rapide par résonance magnétique à qualité d'image améliorée
US6614225B1 (en) Simultaneous image refocusing
US5652516A (en) Spectroscopic magnetic resonance imaging using spiral trajectories
EP0239724A2 (fr) Méthodes et séquences d'impulsions pour la répression de résonances indésirables au moyen de génération de cohérence quantique à image au moyen de NMR
US5025216A (en) Magnetic resonance imaging of short T2 species
NL8400699A (nl) Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden.
JPS6047946A (ja) Ｎｍｒ作像方法
US5499629A (en) Slice profile stabilization for segmented k-space magnetic resonance imaging
EP0177990B1 (fr) Procédé et appareil pour la détermination à grande vitesse de la distribution d'un spin nucléaire dans une partie d'un corps
EP0900388B1 (fr) Procede d'imagerie par resonance magnetique spectroscopique
Lee et al. Diffusion imaging with the MP‐RAGE sequence
US4706023A (en) Method of reducing artefacts in images formed by means of Fourier zeugmatography
EP0541636B1 (fr) Ameliorations concernant la spectroscopie et l'imagerie par resonance magnetique
EP0205223B1 (fr) Procédé de production d'images par résonance magnétique utilisant de petites impulsions d'excitation
CN113544526B (zh) 使用波编码的并行mr成像
Pauly et al. Magnetic resonance imaging of short T2 species
JP2591405B2 (ja) Ｍｒイメージング装置のバイポーラグラジェントの調整法
JPS6241649A (ja) 核磁化分布測定方法及び装置
NL8400991A (nl) Werkwijze en inrichting voor het bepalen van een kernmagnetisatieverdeling in een deel van een lichaam.
NL8400907A (nl) Werkwijze voor het verminderen van artefacten bij het met behulp van fourierzeugmatografie bepalen van beelden.
Gibby Data Acquisition and Image Formation
NL8403611A (nl) Snelle werkwijze en inrichting voor het bepalen van een kernmagnetisatieverdeling in een deel van een lichaam.

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed