DE69424746T2 - Verfahren und Vorrichtung zur Computer-Tomographie - Google Patents

Verfahren und Vorrichtung zur Computer-Tomographie

Info

Publication number
DE69424746T2
DE69424746T2 DE69424746T DE69424746T DE69424746T2 DE 69424746 T2 DE69424746 T2 DE 69424746T2 DE 69424746 T DE69424746 T DE 69424746T DE 69424746 T DE69424746 T DE 69424746T DE 69424746 T2 DE69424746 T2 DE 69424746T2
Authority
DE
Germany
Prior art keywords
computer tomography
tomography method
computer
tomography
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
DE69424746T
Other languages
English (en)
Other versions
DE69424746D1 (de
Inventor
Jan Timmer
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
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69424746D1 publication Critical patent/DE69424746D1/de
Publication of DE69424746T2 publication Critical patent/DE69424746T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69424746T 1993-11-10 1994-11-03 Verfahren und Vorrichtung zur Computer-Tomographie Expired - Lifetime DE69424746T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9301243A BE1007766A3 (nl) 1993-11-10 1993-11-10 Werkwijze en inrichting voor computer tomografie.

Publications (2)

Publication Number Publication Date
DE69424746D1 DE69424746D1 (de) 2000-07-06
DE69424746T2 true DE69424746T2 (de) 2000-12-28

Family

ID=3887542

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424746T Expired - Lifetime DE69424746T2 (de) 1993-11-10 1994-11-03 Verfahren und Vorrichtung zur Computer-Tomographie

Country Status (5)

Country Link
US (1) US5905809A (de)
EP (1) EP0652537B1 (de)
JP (1) JP3566762B2 (de)
BE (1) BE1007766A3 (de)
DE (1) DE69424746T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6315445B1 (en) 1996-02-21 2001-11-13 Lunar Corporation Densitometry adapter for compact x-ray fluoroscopy machine
US6215846B1 (en) * 1996-02-21 2001-04-10 Lunar Corporation Densitometry adapter for compact x-ray fluoroscopy machine
US6163589A (en) * 1998-06-13 2000-12-19 General Electric Company Monte Carlo scatter correction method for computed tomography of general object geometries
FR2798760B1 (fr) * 1999-09-17 2002-03-29 Univ Joseph Fourier Reconstitution de surfaces en trois dimensions par utilisation de modeles statistiques
DE10047720A1 (de) * 2000-09-27 2002-04-11 Philips Corp Intellectual Pty Vorrichtung und Verfahren zur Erzeugung eines Röntgen-Computertomogramms mit einer Streustrahlungskorrektur
WO2002082377A1 (fr) * 2001-04-09 2002-10-17 Ostankovich Anatoly Alexandrov Procede de determination d'informations image d'organisation fonctionnelle de systeme physique (variantes)
US6687326B1 (en) 2001-04-11 2004-02-03 Analogic Corporation Method of and system for correcting scatter in a computed tomography scanner
US6816571B2 (en) * 2002-02-06 2004-11-09 L-3 Communications Security And Detection Systems Corporation Delaware Method and apparatus for transmitting information about a target object between a prescanner and a CT scanner
US6670625B1 (en) * 2002-06-18 2003-12-30 Ge Medical Systems Global Technology Company, Llc Method and apparatus for correcting multipole aberrations of an electron beam in an EBT scanner
EP1618411A4 (de) * 2003-04-11 2012-04-25 Fischer Imaging Corp Streuungsunterdrückung für zusammengesetzte medizinische abbildungssysteme
JP3919724B2 (ja) * 2003-09-19 2007-05-30 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線計算断層画像装置および断層像データ生成方法
WO2005034756A1 (en) * 2003-10-14 2005-04-21 Philips Intellectual Property & Standards Gmbh Asymmetric csct
JP3950855B2 (ja) * 2004-01-07 2007-08-01 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 散乱測定方法、散乱補正方法およびｘ線ｃｔ装置
EP1740097A1 (de) * 2004-04-21 2007-01-10 Philips Intellectual Property & Standards GmbH Fächerstrahl-computertomografie mit kohärenter streustrahlung
DE102004029009A1 (de) * 2004-06-16 2006-01-19 Siemens Ag Vorrichtung und Verfahren für die Streustrahlungskorrektur in der Computer-Tomographie
US7471813B2 (en) * 2004-10-01 2008-12-30 Varian Medical Systems International Ag Systems and methods for correction of scatter in images
US7778450B2 (en) * 2005-01-20 2010-08-17 Scimed Life Systems, Inc. Pattern recognition systems and methods
EP1904835A1 (de) * 2005-07-07 2008-04-02 Koninklijke Philips Electronics N.V. Mehrfachstreuungskorrektur
FR2897255B1 (fr) * 2006-02-10 2008-03-14 Commissariat Energie Atomique Procede d'estimation du rayonnement diffuse en tomographie par rayons x
WO2010141583A2 (en) * 2009-06-02 2010-12-09 Mayo Foundation For Medical Education And Research System and method for dose verification radiotherapy
CN103200873B (zh) * 2011-08-18 2015-05-20 株式会社东芝 光子计数型的x射线计算机断层装置以及散射线校正方法
CN103987320B (zh) 2011-12-12 2016-04-13 株式会社日立医疗器械 X线ct装置以及散射x线校正方法
JP6315488B2 (ja) * 2016-05-19 2018-04-25 株式会社バイオネット研究所 Ｃｔ画像の補正方法及びｃｔ画像装置
DE102019204765B3 (de) * 2019-04-03 2020-06-18 Siemens Healthcare Gmbh Verfahren zur Ermittlung eines dreidimensionalen Tomosynthesedatensatzes, Röntgeneinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
US11058369B2 (en) 2019-11-15 2021-07-13 GE Precision Healthcare LLC Systems and methods for coherent scatter imaging using a segmented photon-counting detector for computed tomography

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149081A (en) * 1976-11-29 1979-04-10 Varian Associates, Inc. Removal of spectral artifacts and utilization of spectral effects in computerized tomography
JPS59151940A (ja) * 1983-02-18 1984-08-30 株式会社東芝 Ｘ線診断装置
JPS63147440A (ja) * 1986-12-12 1988-06-20 横河メディカルシステム株式会社 Ｘ線断層撮影装置のデコンボリユ−シヨン処理方法
US5315506A (en) * 1987-05-22 1994-05-24 University Of Michigan Correction for compton scattering by analysis of spatially dependent energy spectra employing regularization
JPH0212472A (ja) * 1988-06-30 1990-01-17 Yokogawa Medical Syst Ltd ２倍拡大機能を持った画像再構成方法及び装置
US5440647A (en) * 1993-04-22 1995-08-08 Duke University X-ray procedure for removing scattered radiation and enhancing signal-to-noise ratio (SNR)
DE4334937A1 (de) * 1993-10-13 1995-10-05 Siemens Ag Computertomograph

Also Published As

Publication number Publication date
EP0652537A1 (de) 1995-05-10
EP0652537B1 (de) 2000-05-31
DE69424746D1 (de) 2000-07-06
JP3566762B2 (ja) 2004-09-15
BE1007766A3 (nl) 1995-10-17
JPH07184886A (ja) 1995-07-25
US5905809A (en) 1999-05-18

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