ATE413669T1 - Rekonstruktionsverfahren für spiral-kegelstrahl- computertomographie - Google Patents

Rekonstruktionsverfahren für spiral-kegelstrahl- computertomographie

Info

Publication number
ATE413669T1
ATE413669T1 AT06744861T AT06744861T ATE413669T1 AT E413669 T1 ATE413669 T1 AT E413669T1 AT 06744861 T AT06744861 T AT 06744861T AT 06744861 T AT06744861 T AT 06744861T AT E413669 T1 ATE413669 T1 AT E413669T1
Authority
AT
Austria
Prior art keywords
absorption
reconstruction method
cone beam
computer tomography
function
Prior art date
Application number
AT06744861T
Other languages
English (en)
Inventor
Thomas Koehler
Peter Koken
Claas Bontus
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE413669T1 publication Critical patent/ATE413669T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/20—Inverse problem, i.e. transformations from projection space into object space
    • 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
AT06744861T 2005-05-13 2006-05-03 Rekonstruktionsverfahren für spiral-kegelstrahl- computertomographie ATE413669T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05104025 2005-05-13

Publications (1)

Publication Number Publication Date
ATE413669T1 true ATE413669T1 (de) 2008-11-15

Family

ID=36809087

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06744861T ATE413669T1 (de) 2005-05-13 2006-05-03 Rekonstruktionsverfahren für spiral-kegelstrahl- computertomographie

Country Status (7)

Country Link
US (1) US7778387B2 (de)
EP (1) EP1882238B1 (de)
JP (1) JP2008539931A (de)
CN (1) CN101176117B (de)
AT (1) ATE413669T1 (de)
DE (1) DE602006003550D1 (de)
WO (1) WO2006120611A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8204173B2 (en) * 2003-04-25 2012-06-19 Rapiscan Systems, Inc. System and method for image reconstruction by using multi-sheet surface rebinning
US8804899B2 (en) 2003-04-25 2014-08-12 Rapiscan Systems, Inc. Imaging, data acquisition, data transmission, and data distribution methods and systems for high data rate tomographic X-ray scanners
JP5743481B2 (ja) * 2010-10-14 2015-07-01 株式会社東芝 Ｘ線ｃｔ装置
US8615121B2 (en) 2011-05-31 2013-12-24 General Electric Company Reconstruction of projection data to generate tomographic images having improved frequency characteristics
US8805037B2 (en) 2011-05-31 2014-08-12 General Electric Company Method and system for reconstruction of tomographic images
CN105093342B (zh) * 2014-05-14 2017-11-17 同方威视技术股份有限公司 螺旋ct系统及重建方法
US9508165B1 (en) * 2015-06-30 2016-11-29 General Electric Company Systems and methods for peak tracking and gain adjustment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19835296A1 (de) * 1998-08-05 2000-02-10 Philips Corp Intellectual Pty Computertomograph mit kegelförmigen Strahlenbündel und helixförmiger Abtastbahn
US6078638A (en) * 1998-09-30 2000-06-20 Siemens Corporate Research, Inc. Pixel grouping for filtering cone beam detector data during 3D image reconstruction
US7010079B2 (en) * 2001-08-16 2006-03-07 Research Foundation Of The University Of Central Florida 3PI algorithm for spiral CT
DE10162768A1 (de) * 2001-12-20 2003-07-03 Philips Intellectual Property Computertomograph
DE10252661A1 (de) * 2002-11-11 2004-05-27 Philips Intellectual Property & Standards Gmbh Exaktes Computertomographie-Verfahren und Computertomograph
EP1597698A2 (de) * 2003-02-19 2005-11-23 Philips Intellectual Property & Standards GmbH Computerisiertes tomographieverfahren mit helixfoermiger relativbewegung und konischem strahl
ATE490477T1 (de) * 2004-06-09 2010-12-15 Koninkl Philips Electronics Nv Computerisiertes tomographieverfahren mit helixförmiger relativbewegung und konischem strahl

Also Published As

Publication number Publication date
CN101176117B (zh) 2010-12-22
EP1882238A1 (de) 2008-01-30
CN101176117A (zh) 2008-05-07
US7778387B2 (en) 2010-08-17
EP1882238B1 (de) 2008-11-05
US20090268863A1 (en) 2009-10-29
JP2008539931A (ja) 2008-11-20
DE602006003550D1 (de) 2008-12-18
WO2006120611A1 (en) 2006-11-16

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