ATE373287T1 - Computertomographiesystem mit filterung - Google Patents

Computertomographiesystem mit filterung

Info

Publication number
ATE373287T1
ATE373287T1 AT02769527T AT02769527T ATE373287T1 AT E373287 T1 ATE373287 T1 AT E373287T1 AT 02769527 T AT02769527 T AT 02769527T AT 02769527 T AT02769527 T AT 02769527T AT E373287 T1 ATE373287 T1 AT E373287T1
Authority
AT
Austria
Prior art keywords
attenuation profiles
tomography system
filtering
noise level
computer tomography
Prior art date
Application number
AT02769527T
Other languages
English (en)
Inventor
Jan Timmer
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 ATE373287T1 publication Critical patent/ATE373287T1/de

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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
AT02769527T 2001-05-16 2002-05-07 Computertomographiesystem mit filterung ATE373287T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01201842 2001-05-16

Publications (1)

Publication Number Publication Date
ATE373287T1 true ATE373287T1 (de) 2007-09-15

Family

ID=8180323

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02769527T ATE373287T1 (de) 2001-05-16 2002-05-07 Computertomographiesystem mit filterung

Country Status (6)

Country Link
US (1) US6751286B2 (de)
EP (1) EP1397784B1 (de)
JP (1) JP4267328B2 (de)
AT (1) ATE373287T1 (de)
DE (1) DE60222412T2 (de)
WO (1) WO2002093490A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7376255B2 (en) 2004-06-23 2008-05-20 General Electric Company System and method for image reconstruction
CN100563570C (zh) * 2004-07-07 2009-12-02 皇家飞利浦电子股份有限公司 心脏锥面光束ct重建中条纹伪影的减少
US7660481B2 (en) * 2005-11-17 2010-02-09 Vital Images, Inc. Image enhancement using anisotropic noise filtering
US20070147579A1 (en) * 2005-12-23 2007-06-28 De Man Bruno K B Method and system for radiographic imaging with organ-based radiation profile prescription
US8712121B2 (en) * 2008-06-25 2014-04-29 Koninklijke Philips N.V. Image generation device with optimized dose control

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342353A1 (de) * 1983-11-23 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zum betrieb eines computertomographen
US5416815A (en) 1993-07-02 1995-05-16 General Electric Company Adaptive filter for reducing streaking artifacts in x-ray tomographic images
EP0777891B1 (de) * 1995-06-23 2001-10-17 Koninklijke Philips Electronics N.V. Bildverarbeitungsverfahren zur rauschverminderung
US5818900A (en) * 1997-02-25 1998-10-06 Infimed, Inc. Image spot noise reduction employing rank order
JPH1141541A (ja) * 1997-07-18 1999-02-12 Canon Inc 画像処理方法、画像処理装置、画像収集装置、及び画像処理システム
DE19853143C2 (de) * 1998-11-18 2000-09-07 Vamp Verfahren Und Apparate De Computertomograph mit reduzierter Dosisbelastung bzw. reduziertem Bildpunktrauschen

Also Published As

Publication number Publication date
US6751286B2 (en) 2004-06-15
EP1397784B1 (de) 2007-09-12
JP4267328B2 (ja) 2009-05-27
EP1397784A1 (de) 2004-03-17
DE60222412D1 (en) 2007-10-25
WO2002093490A1 (en) 2002-11-21
DE60222412T2 (de) 2008-06-19
JP2004524943A (ja) 2004-08-19
US20030007592A1 (en) 2003-01-09

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties