DE69332428T2 - Angiographie-Apparat und -verfahren - Google Patents

Angiographie-Apparat und -verfahren

Info

Publication number
DE69332428T2
DE69332428T2 DE69332428T DE69332428T DE69332428T2 DE 69332428 T2 DE69332428 T2 DE 69332428T2 DE 69332428 T DE69332428 T DE 69332428T DE 69332428 T DE69332428 T DE 69332428T DE 69332428 T2 DE69332428 T2 DE 69332428T2
Authority
DE
Germany
Prior art keywords
procedure
angiography apparatus
angiography
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.)
Expired - Fee Related
Application number
DE69332428T
Other languages
English (en)
Other versions
DE69332428D1 (de
Inventor
Paul M Margosian
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.)
Philips Nuclear Medicine Inc
Original Assignee
Marconi Medical Systems Inc
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 Marconi Medical Systems Inc filed Critical Marconi Medical Systems Inc
Publication of DE69332428D1 publication Critical patent/DE69332428D1/de
Application granted granted Critical
Publication of DE69332428T2 publication Critical patent/DE69332428T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/5607—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reducing the NMR signal of a particular spin species, e.g. of a chemical species for fat suppression, or of a moving spin species for black-blood 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
    • 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
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Vascular Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69332428T 1992-08-06 1993-07-27 Angiographie-Apparat und -verfahren Expired - Fee Related DE69332428T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/925,993 US5297550A (en) 1992-08-06 1992-08-06 Background darkening of magnetic resonance angiographic images

Publications (2)

Publication Number Publication Date
DE69332428D1 DE69332428D1 (de) 2002-11-28
DE69332428T2 true DE69332428T2 (de) 2003-06-18

Family

ID=25452560

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332428T Expired - Fee Related DE69332428T2 (de) 1992-08-06 1993-07-27 Angiographie-Apparat und -verfahren

Country Status (3)

Country Link
US (1) US5297550A (de)
EP (1) EP0583104B1 (de)
DE (1) DE69332428T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5368033A (en) * 1993-04-20 1994-11-29 North American Philips Corporation Magnetic resonance angiography method and apparatus employing an integration projection
FR2708166A1 (fr) * 1993-07-22 1995-01-27 Philips Laboratoire Electroniq Procédé de traitement d'images numérisées pour la détection automatique de sténoses.
US6559843B1 (en) 1993-10-01 2003-05-06 Compaq Computer Corporation Segmented ray casting data parallel volume rendering
US5644646A (en) * 1994-08-05 1997-07-01 University Of Utah Research Foundation Vessel enhancement filtering in magnetic resonance angiography
US5734740A (en) * 1994-10-31 1998-03-31 University Of Florida Method for automated radiographic quality assurance
US5761333A (en) * 1995-01-31 1998-06-02 General Electric Company Contrast enhancement for CT systems
US5815591A (en) * 1996-07-10 1998-09-29 R2 Technology, Inc. Method and apparatus for fast detection of spiculated lesions in digital mammograms
US5923789A (en) * 1996-08-07 1999-07-13 General Electric Company Band limited interpolation and projection of spatial 3-D images
US6246784B1 (en) 1997-08-19 2001-06-12 The United States Of America As Represented By The Department Of Health And Human Services Method for segmenting medical images and detecting surface anomalies in anatomical structures
US6718054B1 (en) 1999-06-23 2004-04-06 Massachusetts Institute Of Technology MRA segmentation using active contour models
US7020314B1 (en) 2001-11-13 2006-03-28 Koninklijke Philips Electronics N.V. Black blood angiography method and apparatus
US7260250B2 (en) * 2002-09-30 2007-08-21 The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services Computer-aided classification of anomalies in anatomical structures
JP4537681B2 (ja) * 2003-09-24 2010-09-01 株式会社東芝 血流解析装置
US20050074150A1 (en) * 2003-10-03 2005-04-07 Andrew Bruss Systems and methods for emulating an angiogram using three-dimensional image data
US20050110791A1 (en) * 2003-11-26 2005-05-26 Prabhu Krishnamoorthy Systems and methods for segmenting and displaying tubular vessels in volumetric imaging data
US8358774B2 (en) * 2005-05-12 2013-01-22 Aspect Software, Inc. Enterprise-wide occupancy based routing
GB0523084D0 (en) * 2005-11-11 2005-12-21 Cancer Res Inst Royal Imaging method and apparatus
US8086297B2 (en) 2007-01-31 2011-12-27 Duke University Dark blood delayed enhancement magnetic resonance viability imaging techniques for assessing subendocardial infarcts
US9131870B2 (en) 2010-05-05 2015-09-15 Duke University Blood signal suppressed contrast enhanced magnetic resonance imaging
US9149203B2 (en) 2010-05-05 2015-10-06 Duke University Blood signal suppressed enhanced magnetic resonance imaging
JP5565258B2 (ja) * 2010-10-12 2014-08-06 ソニー株式会社 画像処理装置、画像処理方法及びプログラム
CN103192617B (zh) * 2013-04-03 2017-05-10 青岛大学附属医院 加深x光影像背景的方法、x光影像打印系统与打印方法
US20150287188A1 (en) * 2014-04-02 2015-10-08 Algotec Systems Ltd. Organ-specific image display

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL70214A (en) * 1983-11-13 1987-10-20 Elscint Ltd Image contrast enhancement arrangement
US4761819A (en) * 1987-02-27 1988-08-02 Picker International, Inc. Adaptive noise reduction filter for reconstructed images
US5113865A (en) * 1988-04-06 1992-05-19 Hitachi Medical Corporation Method and apparatus for correction of phase distortion in MR imaging system
US4991092A (en) * 1988-08-12 1991-02-05 The Regents Of The University Of California Image processor for enhancing contrast between subregions of a region of interest
JPH0789371B2 (ja) * 1988-09-28 1995-09-27 富士写真フイルム株式会社 所望画像信号範囲決定方法
JP2808773B2 (ja) * 1990-01-09 1998-10-08 株式会社日立製作所 階調変換自動化装置
JPH04364829A (ja) * 1990-02-15 1992-12-17 Toshiba Corp 磁気共鳴画像処理方法及び装置
EP0445450A1 (de) * 1990-03-07 1991-09-11 International Business Machines Corporation Bildverarbeitungsgerät, welches Bildelementintensitäten auf einem beschränkten Bereich Anzeigeintensitätswerte abbildet
US5166876A (en) * 1991-01-16 1992-11-24 General Electric Company System and method for detecting internal structures contained within the interior region of a solid object
US5224177A (en) * 1991-10-31 1993-06-29 The University Of Chicago High quality film image correction and duplication method and system

Also Published As

Publication number Publication date
DE69332428D1 (de) 2002-11-28
EP0583104A1 (de) 1994-02-16
EP0583104B1 (de) 2002-10-23
US5297550A (en) 1994-03-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC., CLEVELA

8339 Ceased/non-payment of the annual fee