DE60306417D1 - Verfahren und vorrichtung zur exakten kegelstrahlcomputertomographie - Google Patents

Verfahren und vorrichtung zur exakten kegelstrahlcomputertomographie

Info

Publication number
DE60306417D1
DE60306417D1 DE60306417T DE60306417T DE60306417D1 DE 60306417 D1 DE60306417 D1 DE 60306417D1 DE 60306417 T DE60306417 T DE 60306417T DE 60306417 T DE60306417 T DE 60306417T DE 60306417 D1 DE60306417 D1 DE 60306417D1
Authority
DE
Germany
Prior art keywords
coneal
exact
tomography
complex
computer
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
DE60306417T
Other languages
English (en)
Other versions
DE60306417T2 (de
Inventor
Claas Bontus
Thomas Koehler
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 Intellectual Property and Standards GmbH
Original Assignee
Philips Intellectual Property and Standards GmbH
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 Intellectual Property and Standards GmbH filed Critical Philips Intellectual Property and Standards GmbH
Priority to DE60306417T priority Critical patent/DE60306417T2/de
Publication of DE60306417D1 publication Critical patent/DE60306417D1/de
Application granted granted Critical
Publication of DE60306417T2 publication Critical patent/DE60306417T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/416—Exact reconstruction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • Algebra (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Biophysics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Generation (AREA)
DE60306417T 2002-11-11 2003-11-03 Verfahren und vorrichtung zur exakten kegelstrahlcomputertomographie Expired - Fee Related DE60306417T2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE60306417T DE60306417T2 (de) 2002-11-11 2003-11-03 Verfahren und vorrichtung zur exakten kegelstrahlcomputertomographie

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10252661A DE10252661A1 (de) 2002-11-11 2002-11-11 Exaktes Computertomographie-Verfahren und Computertomograph
DE10252661 2002-11-11
PCT/IB2003/004952 WO2004044849A1 (en) 2002-11-11 2003-11-03 Method and apparatus for exact cone beam computed tomography
DE60306417T DE60306417T2 (de) 2002-11-11 2003-11-03 Verfahren und vorrichtung zur exakten kegelstrahlcomputertomographie

Publications (2)

Publication Number Publication Date
DE60306417D1 true DE60306417D1 (de) 2006-08-03
DE60306417T2 DE60306417T2 (de) 2007-02-01

Family

ID=32185553

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10252661A Withdrawn DE10252661A1 (de) 2002-11-11 2002-11-11 Exaktes Computertomographie-Verfahren und Computertomograph
DE60306417T Expired - Fee Related DE60306417T2 (de) 2002-11-11 2003-11-03 Verfahren und vorrichtung zur exakten kegelstrahlcomputertomographie

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10252661A Withdrawn DE10252661A1 (de) 2002-11-11 2002-11-11 Exaktes Computertomographie-Verfahren und Computertomograph

Country Status (7)

Country Link
US (1) US7548603B2 (de)
EP (1) EP1570435B1 (de)
JP (1) JP2006505337A (de)
AT (1) ATE331259T1 (de)
AU (1) AU2003274584A1 (de)
DE (2) DE10252661A1 (de)
WO (1) WO2004044849A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7280632B2 (en) * 2001-08-16 2007-10-09 University Of Central Florida Research Foundation, Inc. Exact filtered back projection (FBP) algorithm for spiral computer tomography with variable pitch
US7878976B2 (en) * 2004-06-09 2011-02-01 General Electric Company Method and system of thermoacoustic imaging with exact inversion
WO2006018793A1 (en) * 2004-08-20 2006-02-23 Philips Intellectual Property & Standards Gmbh Computed tomography method and computer tomograph for reconstruction of object images from real and fictious measured values
US7379525B2 (en) * 2004-12-15 2008-05-27 General Electric Company Method and system for efficient helical cone-beam reconstruction
US7778387B2 (en) 2005-05-13 2010-08-17 Koninklijke Philips Electronics N. V. Reconstruction method for helical cone-beam CT
EP1772100A1 (de) * 2005-10-05 2007-04-11 The Board of Trustees of Leland Stanford Junior University Verbesserte Abtastung bei volumetrischer Computertomographie
CN100495439C (zh) * 2005-11-21 2009-06-03 清华大学 采用直线轨迹扫描的图像重建系统和方法
WO2008026153A2 (en) 2006-08-31 2008-03-06 Koninklijke Philips Electronics N.V. Imaging system
US7669889B1 (en) * 2008-12-16 2010-03-02 Gm Global Technology Operations, Inc. Air bag chute attachment
US8805037B2 (en) 2011-05-31 2014-08-12 General Electric Company Method and system for reconstruction of tomographic images
US10119923B2 (en) * 2015-10-19 2018-11-06 L3 Security & Detection Systems, Inc. Systems and methods for image reconstruction at high computed tomography pitch

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4570224A (en) * 1982-11-29 1986-02-11 Elscint, Inc. Combining rebinned and unrebinned parallel ray data with unequal lateral spacing to create tomograph images
US4636952A (en) * 1984-12-03 1987-01-13 General Electric Company Method and apparatus for back projection image reconstruction using virtual equi-spaced detector array
US4703424A (en) * 1985-01-03 1987-10-27 General Electric Company Method and means of correcting for a shift in the center of rotation of a rotating fan beam CT system
US5404293A (en) * 1991-06-11 1995-04-04 The University Of Utah Cone beam reconstruction using helical data collection paths
US5341460A (en) * 1992-08-28 1994-08-23 General Electric Company Method and apparatus for producing a three-dimensional computerized tomography image of an object with improved conversion of cone beam data to radon data
US5559335A (en) * 1994-12-28 1996-09-24 The University Of Utah Rotating and warping projector/backprojector for converging-beam geometries
US5708690A (en) * 1996-10-11 1998-01-13 General Electric Company Methods and apparatus for helical image reconstruction in a computed tomography fluoro system
US5764720A (en) * 1996-12-26 1998-06-09 General Electric Company Methods and apparatus for simplified pre-processing of data in a computed tomography system
US6075836A (en) * 1997-07-03 2000-06-13 University Of Rochester Method of and system for intravenous volume tomographic digital angiography imaging
DE19845133A1 (de) * 1998-10-01 2000-04-06 Philips Corp Intellectual Pty Computertomographie-Verfahren mit kegelförmigem Strahlenbündel
US6104775A (en) * 1998-10-29 2000-08-15 Picker International, Inc. 3D image reconstruction for helical partial cone beam scanners using wedge beam transform
DE19944701A1 (de) * 1999-09-18 2001-03-22 Philips Corp Intellectual Pty Computertomographie-Verfahren mit helixförmiger Relativbewegung
US6574299B1 (en) * 2001-08-16 2003-06-03 University Of Central Florida Exact filtered back projection (FBP) algorithm for spiral computer tomography
US6529575B1 (en) * 2002-04-29 2003-03-04 Ge Medical Systems Global Technology Company, Llc Adaptive projection filtering scheme for noise reduction
US6744846B2 (en) * 2002-09-26 2004-06-01 Siemens Aktiengesellschaft Method and apparatus for automatic exposure control in CT scanning

Also Published As

Publication number Publication date
AU2003274584A1 (en) 2004-06-03
EP1570435A1 (de) 2005-09-07
EP1570435B1 (de) 2006-06-21
JP2006505337A (ja) 2006-02-16
DE10252661A1 (de) 2004-05-27
ATE331259T1 (de) 2006-07-15
US7548603B2 (en) 2009-06-16
DE60306417T2 (de) 2007-02-01
WO2004044849A1 (en) 2004-05-27
US20060039525A1 (en) 2006-02-23

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee