DE602006003550D1 - Rekonstruktionsverfahren für spiral-kegelstrahl-computertomographie - Google Patents

Rekonstruktionsverfahren für spiral-kegelstrahl-computertomographie

Info

Publication number
DE602006003550D1
DE602006003550D1 DE602006003550T DE602006003550T DE602006003550D1 DE 602006003550 D1 DE602006003550 D1 DE 602006003550D1 DE 602006003550 T DE602006003550 T DE 602006003550T DE 602006003550 T DE602006003550 T DE 602006003550T DE 602006003550 D1 DE602006003550 D1 DE 602006003550D1
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DE
Germany
Prior art keywords
absorption
function
radon
intersections
planes
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.)
Active
Application number
DE602006003550T
Other languages
English (en)
Inventor
Thomas Koehler
Peter Koken
Claas Bontus
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
Publication of DE602006003550D1 publication Critical patent/DE602006003550D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06T2211/421—Filtered back projection [FBP]

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)
  • Image Processing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE602006003550T 2005-05-13 2006-05-03 Rekonstruktionsverfahren für spiral-kegelstrahl-computertomographie Active DE602006003550D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05104025 2005-05-13
PCT/IB2006/051388 WO2006120611A1 (en) 2005-05-13 2006-05-03 Reconstruction method for helical cone-beam ct

Publications (1)

Publication Number Publication Date
DE602006003550D1 true DE602006003550D1 (de) 2008-12-18

Family

ID=36809087

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006003550T Active DE602006003550D1 (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
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
US8204173B2 (en) * 2003-04-25 2012-06-19 Rapiscan Systems, Inc. System and method for image reconstruction by using multi-sheet surface rebinning
JP5743481B2 (ja) * 2010-10-14 2015-07-01 株式会社東芝 Ｘ線ｃｔ装置
US8805037B2 (en) 2011-05-31 2014-08-12 General Electric Company Method and system for reconstruction of tomographic images
US8615121B2 (en) 2011-05-31 2013-12-24 General Electric Company Reconstruction of projection data to generate tomographic images having improved frequency characteristics
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
CN100359537C (zh) * 2003-02-19 2008-01-02 皇家飞利浦电子股份有限公司 利用螺旋相对运动和锥形光束的计算机化x线断层摄影方法
WO2005121836A1 (en) * 2004-06-09 2005-12-22 Philips Intellectual Property & Standards Gmbh Computerized tomography method with helical relative movement and conical beam

Also Published As

Publication number Publication date
ATE413669T1 (de) 2008-11-15
JP2008539931A (ja) 2008-11-20
WO2006120611A1 (en) 2006-11-16
EP1882238B1 (de) 2008-11-05
CN101176117B (zh) 2010-12-22
EP1882238A1 (de) 2008-01-30
US20090268863A1 (en) 2009-10-29
CN101176117A (zh) 2008-05-07
US7778387B2 (en) 2010-08-17

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