AU2436195A - Post-processing of mri images - Google Patents

Post-processing of mri images

Info

Publication number
AU2436195A
AU2436195A AU24361/95A AU2436195A AU2436195A AU 2436195 A AU2436195 A AU 2436195A AU 24361/95 A AU24361/95 A AU 24361/95A AU 2436195 A AU2436195 A AU 2436195A AU 2436195 A AU2436195 A AU 2436195A
Authority
AU
Australia
Prior art keywords
post
processing
mri images
mri
images
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.)
Abandoned
Application number
AU24361/95A
Inventor
Scott Atlas
James F Kohli
John Listerud
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.)
University of Pennsylvania Penn
Original Assignee
University of Pennsylvania Penn
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 University of Pennsylvania Penn filed Critical University of Pennsylvania Penn
Publication of AU2436195A publication Critical patent/AU2436195A/en
Abandoned legal-status Critical Current

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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10088—Magnetic resonance imaging [MRI]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20068—Projection on vertical or horizontal image axis

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Vascular Medicine (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AU24361/95A 1994-05-03 1995-05-03 Post-processing of mri images Abandoned AU2436195A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23751494A 1994-05-03 1994-05-03
US237514 1994-05-03
PCT/US1995/005673 WO1995030914A1 (en) 1994-05-03 1995-05-03 Post-processing of mri images

Publications (1)

Publication Number Publication Date
AU2436195A true AU2436195A (en) 1995-11-29

Family

ID=22894046

Family Applications (1)

Application Number Title Priority Date Filing Date
AU24361/95A Abandoned AU2436195A (en) 1994-05-03 1995-05-03 Post-processing of mri images

Country Status (2)

Country Link
AU (1) AU2436195A (en)
WO (1) WO1995030914A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3365929B2 (en) * 1996-10-07 2003-01-14 ジーイー横河メディカルシステム株式会社 Image processing method and image processing apparatus
US5930327A (en) * 1997-06-23 1999-07-27 Trex Medical Corporation X-ray image processing
CN109886938B (en) * 2019-01-29 2023-07-18 深圳市科曼医疗设备有限公司 Automatic measuring method for blood vessel diameter of ultrasonic image

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0792830B2 (en) * 1988-03-19 1995-10-09 富士写真フイルム株式会社 Radiation image information reading method
US5198669A (en) * 1989-09-20 1993-03-30 Fujitsu Limited Digital X-ray image processing apparatus
US5046118A (en) * 1990-02-06 1991-09-03 Eastman Kodak Company Tone-scale generation method and apparatus for digital x-ray images
US5233299A (en) * 1991-03-25 1993-08-03 General Electric Company Projection methods for producing two-dimensional images from three-dimensional data
US5164993A (en) * 1991-11-25 1992-11-17 Eastman Kodak Company Method and apparatus for automatic tonescale generation in digital radiographic images
US5271399A (en) * 1991-11-27 1993-12-21 Trustees Of The University Of Pennsylvania Three dimensional Fourier transform, fast spin echo, black blood magnetic resonance angtography
US5297551A (en) * 1992-08-06 1994-03-29 Picker International, Inc. Weighted ray projection imaging for MR angiography
US5368033A (en) * 1993-04-20 1994-11-29 North American Philips Corporation Magnetic resonance angiography method and apparatus employing an integration projection

Also Published As

Publication number Publication date
WO1995030914A1 (en) 1995-11-16

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