DE69636847D1 - Bestimmung einer abmessung aus einer dichte-verteilung - Google Patents

Bestimmung einer abmessung aus einer dichte-verteilung

Info

Publication number
DE69636847D1
DE69636847D1 DE69636847T DE69636847T DE69636847D1 DE 69636847 D1 DE69636847 D1 DE 69636847D1 DE 69636847 T DE69636847 T DE 69636847T DE 69636847 T DE69636847 T DE 69636847T DE 69636847 D1 DE69636847 D1 DE 69636847D1
Authority
DE
Germany
Prior art keywords
dimension
determining
density distribution
density
distribution
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 - Lifetime
Application number
DE69636847T
Other languages
English (en)
Other versions
DE69636847T2 (de
Inventor
E Wilting
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.)
Koninklijke Philips NV
Original Assignee
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69636847D1 publication Critical patent/DE69636847D1/de
Application granted granted Critical
Publication of DE69636847T2 publication Critical patent/DE69636847T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • 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
    • G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • Optics & Photonics (AREA)
  • Dentistry (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69636847T 1995-10-06 1996-10-02 Bestimmung einer abmessung aus einer dichte-verteilung Expired - Lifetime DE69636847T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP95202685 1995-10-06
EP95202685 1995-10-06
PCT/IB1996/001035 WO1997013457A1 (en) 1995-10-06 1996-10-02 Determining a dimension from a density distribution

Publications (2)

Publication Number Publication Date
DE69636847D1 true DE69636847D1 (de) 2007-03-08
DE69636847T2 DE69636847T2 (de) 2007-10-18

Family

ID=8220689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69636847T Expired - Lifetime DE69636847T2 (de) 1995-10-06 1996-10-02 Bestimmung einer abmessung aus einer dichte-verteilung

Country Status (5)

Country Link
US (1) US5757877A (de)
EP (1) EP0796059B1 (de)
JP (1) JPH10510746A (de)
DE (1) DE69636847T2 (de)
WO (1) WO1997013457A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000038115A2 (en) * 1998-12-21 2000-06-29 Koninklijke Philips Electronics N.V. Deriving dimensions of a detail of an object
FR2799031B1 (fr) * 1999-09-24 2002-01-04 Ge Medical Syst Sa Procede de reconstruction d'une section, par exemple transversale, d'un element d'interet contenu dans un objet, en particulier un vaisseau du coeur humain
US6582293B1 (en) 1999-11-01 2003-06-24 Andrew Siniarski Air vent damper apparatus
US7333648B2 (en) * 1999-11-19 2008-02-19 General Electric Company Feature quantification from multidimensional image data
US7526112B2 (en) * 2001-04-30 2009-04-28 Chase Medical, L.P. System and method for facilitating cardiac intervention
US7327862B2 (en) * 2001-04-30 2008-02-05 Chase Medical, L.P. System and method for facilitating cardiac intervention
US6990222B2 (en) 2001-11-21 2006-01-24 Arnold Ben A Calibration of tissue densities in computerized tomography
US8649843B2 (en) * 2001-11-24 2014-02-11 Ben A. Arnold Automated calcium scoring of the aorta
AU2002348241A1 (en) * 2001-11-24 2003-06-10 Image Analysis, Inc. Automatic detection and quantification of coronary and aortic calcium
US7180976B2 (en) * 2002-06-04 2007-02-20 Koninklijke Philips Electronics N.V. Rotational angiography based hybrid 3-D reconstruction of coronary arterial structure
US20050043609A1 (en) * 2003-01-30 2005-02-24 Gregory Murphy System and method for facilitating cardiac intervention
WO2004068406A2 (en) * 2003-01-30 2004-08-12 Chase Medical, L.P. A method and system for image processing and contour assessment
US20070014452A1 (en) * 2003-12-01 2007-01-18 Mitta Suresh Method and system for image processing and assessment of a state of a heart
US7333643B2 (en) * 2004-01-30 2008-02-19 Chase Medical, L.P. System and method for facilitating cardiac intervention
CA2692270A1 (en) * 2006-06-28 2008-01-03 Bio-Tree Systems, Inc. Binned micro-vessel density methods and apparatus
US8186880B1 (en) 2008-11-27 2012-05-29 Arnold Ben A Extended and fixed INTable simultaneously imaged calibration and correction methods and references for 3-D imaging devices
US8649577B1 (en) 2008-11-30 2014-02-11 Image Analysis, Inc. Automatic method and system for measurements of bone density and structure of the hip from 3-D X-ray imaging devices
US8517608B1 (en) 2011-08-03 2013-08-27 Ben A. Arnold System and method for calibration of CT scanners and display of images in density units without the use of water phantoms
KR101578770B1 (ko) 2013-11-21 2015-12-18 삼성전자주식회사 의료 영상 처리 장치 및 그에 따른 의료 영상 처리 방법
JP6653706B2 (ja) * 2015-01-16 2020-02-26 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 血管腔サブ解像度セグメンテーション
JP6577887B2 (ja) 2016-03-14 2019-09-18 富士フイルム株式会社 画像処理装置、内視鏡システム、画像処理方法、画像処理プログラム、及び記録媒体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716368A (en) * 1985-08-09 1987-12-29 Picker International, Inc. Magnetic resonance reconstruction and scanning techniques using known information, constraints, and symmetry relations
JP3414471B2 (ja) * 1994-01-24 2003-06-09 株式会社東芝 Ｘ線ｃｔ装置

Also Published As

Publication number Publication date
EP0796059A1 (de) 1997-09-24
US5757877A (en) 1998-05-26
JPH10510746A (ja) 1998-10-20
DE69636847T2 (de) 2007-10-18
EP0796059B1 (de) 2007-01-17
WO1997013457A1 (en) 1997-04-17

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