FI902667A - Avbildningsfoerfarande. - Google Patents

Avbildningsfoerfarande. Download PDF

Info

Publication number
FI902667A
FI902667A FI902667A FI902667A FI902667A FI 902667 A FI902667 A FI 902667A FI 902667 A FI902667 A FI 902667A FI 902667 A FI902667 A FI 902667A FI 902667 A FI902667 A FI 902667A
Authority
FI
Finland
Prior art keywords
avbildningsfoerfarande
Prior art date
Application number
FI902667A
Other languages
English (en)
Other versions
FI86506B (fi
FI902667A0 (fi
FI86506C (fi
Inventor
Raimo Sepponen
Original Assignee
Instrumentarium Oy
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 Instrumentarium Oy filed Critical Instrumentarium Oy
Priority to FI902667A priority Critical patent/FI86506C/fi
Publication of FI902667A0 publication Critical patent/FI902667A0/fi
Priority to US07/580,818 priority patent/US5227723A/en
Publication of FI902667A publication Critical patent/FI902667A/fi
Publication of FI86506B publication Critical patent/FI86506B/fi
Application granted granted Critical
Publication of FI86506C publication Critical patent/FI86506C/fi

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
    • 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

Landscapes

  • 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)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI902667A 1990-05-29 1990-05-29 Avbildningsfoerfarande. FI86506C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI902667A FI86506C (fi) 1990-05-29 1990-05-29 Avbildningsfoerfarande.
US07/580,818 US5227723A (en) 1990-05-29 1990-09-11 Imaging method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI902667 1990-05-29
FI902667A FI86506C (fi) 1990-05-29 1990-05-29 Avbildningsfoerfarande.

Publications (4)

Publication Number Publication Date
FI902667A0 FI902667A0 (fi) 1990-05-29
FI902667A true FI902667A (fi) 1991-11-30
FI86506B FI86506B (fi) 1992-05-29
FI86506C FI86506C (fi) 1992-09-10

Family

ID=8530531

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902667A FI86506C (fi) 1990-05-29 1990-05-29 Avbildningsfoerfarande.

Country Status (2)

Country Link
US (1) US5227723A (fi)
FI (1) FI86506C (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0610100A (ja) * 1992-06-26 1994-01-18 Sumitomo Special Metals Co Ltd ボンド磁石用合金粉末及びボンド磁石
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
US10768255B2 (en) * 2014-09-05 2020-09-08 Hyperfine Research, Inc. Automatic configuration of a low field magnetic resonance imaging system
US10627464B2 (en) 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
WO2021108216A1 (en) 2019-11-27 2021-06-03 Hyperfine Research, Inc. Techniques for noise suppression in an environment of a magnetic resonance imaging system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6289176A (ja) * 1985-10-15 1987-04-23 Mitsubishi Electric Corp 核磁気共鳴画像の補間拡大方法
JP2644831B2 (ja) * 1988-07-06 1997-08-25 株式会社日立製作所 Ｎｍｒイメージングにおける画像再構成方法

Also Published As

Publication number Publication date
FI86506B (fi) 1992-05-29
US5227723A (en) 1993-07-13
FI902667A0 (fi) 1990-05-29
FI86506C (fi) 1992-09-10

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Legal Events

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PC Transfer of assignment of patent

Owner name: PICKER NORDSTAR OY

MM Patent lapsed

Owner name: PICKER NORDSTAR OY