ATE408159T1 - Korrektur von durch den heel-effekt verursachten artefakten - Google Patents

Korrektur von durch den heel-effekt verursachten artefakten

Info

Publication number
ATE408159T1
ATE408159T1 AT04801470T AT04801470T ATE408159T1 AT E408159 T1 ATE408159 T1 AT E408159T1 AT 04801470 T AT04801470 T AT 04801470T AT 04801470 T AT04801470 T AT 04801470T AT E408159 T1 ATE408159 T1 AT E408159T1
Authority
AT
Austria
Prior art keywords
attenuation values
polychromatic
correction
artifacts caused
heel effect
Prior art date
Application number
AT04801470T
Other languages
English (en)
Inventor
Stevendaal Udo Van
Thomas Koehler
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 ATE408159T1 publication Critical patent/ATE408159T1/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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Nuclear Medicine (AREA)
  • Soil Working Implements (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
AT04801470T 2003-12-16 2004-12-06 Korrektur von durch den heel-effekt verursachten artefakten ATE408159T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03104702 2003-12-16

Publications (1)

Publication Number Publication Date
ATE408159T1 true ATE408159T1 (de) 2008-09-15

Family

ID=34684587

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04801470T ATE408159T1 (de) 2003-12-16 2004-12-06 Korrektur von durch den heel-effekt verursachten artefakten

Country Status (6)

Country Link
US (1) US7724935B2 (de)
EP (1) EP1700137B1 (de)
JP (1) JP4709162B2 (de)
AT (1) ATE408159T1 (de)
DE (1) DE602004016560D1 (de)
WO (1) WO2005059592A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9888902B2 (en) 2011-07-12 2018-02-13 Hitachi, Ltd. X-ray CT device, calcuration device, recording medium for X-ray CT device, and maintenance method for X-ray CT device

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8909325B2 (en) 2000-08-21 2014-12-09 Biosensors International Group, Ltd. Radioactive emission detector equipped with a position tracking system and utilization thereof with medical systems and in medical procedures
WO2005119025A2 (en) 2004-06-01 2005-12-15 Spectrum Dynamics Llc Radioactive-emission-measurement optimization to specific body structures
US7968851B2 (en) 2004-01-13 2011-06-28 Spectrum Dynamics Llc Dynamic spect camera
US9470801B2 (en) 2004-01-13 2016-10-18 Spectrum Dynamics Llc Gating with anatomically varying durations
WO2008010227A2 (en) 2006-07-19 2008-01-24 Spectrum Dynamics Llc Imaging protocols
US9316743B2 (en) 2004-11-09 2016-04-19 Biosensors International Group, Ltd. System and method for radioactive emission measurement
US9943274B2 (en) 2004-11-09 2018-04-17 Spectrum Dynamics Medical Limited Radioimaging using low dose isotope
US8837793B2 (en) 2005-07-19 2014-09-16 Biosensors International Group, Ltd. Reconstruction stabilizer and active vision
US8894974B2 (en) 2006-05-11 2014-11-25 Spectrum Dynamics Llc Radiopharmaceuticals for diagnosis and therapy
WO2007141689A1 (en) * 2006-06-02 2007-12-13 Philips Intellectual Property & Standards Gmbh X-ray image apparatus and device for and method of calibrating an x-ray image apparatus
WO2008075362A2 (en) 2006-12-20 2008-06-26 Spectrum Dynamics Llc A method, a system, and an apparatus for using and processing multidimensional data
WO2010052614A1 (en) 2008-11-07 2010-05-14 Koninklijke Philips Electronics, N.V. Cone beam z-axis coverage
WO2010074030A1 (ja) * 2008-12-22 2010-07-01 オムロン株式会社 Ｘ線検査方法およびｘ線検査装置
EP2652709B1 (de) 2010-12-17 2015-06-17 Koninklijke Philips N.V. Bildgebungssystem zur abbildung eines bestimmten bereiches
DE102012212774A1 (de) * 2012-07-20 2014-01-23 Siemens Aktiengesellschaft Verfahren zur Korrektur von Metallartefakten und Röntgeneinrichtung
EP3028036A1 (de) 2013-07-30 2016-06-08 Koninklijke Philips N.V. Erzeugung eines monochromatischen kontrastgedämpften bildes mittels phasenkontrast-ct
JP6523825B2 (ja) * 2014-07-02 2019-06-05 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置及び画像処理装置
JP6658552B2 (ja) * 2015-02-09 2020-03-04 株式会社ニコン Ｘ線計測装置の画像再構成方法、ｘ線計測装置の画像再構成プログラムおよびｘ線計測装置
US9696439B2 (en) 2015-08-10 2017-07-04 Shanghai United Imaging Healthcare Co., Ltd. Apparatus and method for PET detector
US10507005B2 (en) 2016-09-22 2019-12-17 General Electric Company Spectral calibration of spectral computed tomography (CT)
WO2019012686A1 (ja) * 2017-07-14 2019-01-17 株式会社日立製作所 粒子線治療装置およびｄｒｒ画像作成方法
EP3675739A4 (de) * 2017-08-28 2020-08-19 Shanghai United Imaging Healthcare Co., Ltd. System und verfahren zur entfernung von hartem gewebe auf ct-bildern
US10497153B2 (en) 2018-02-08 2019-12-03 FMI Medical Systems Co., Ltd. Heel effect correction in computed tomography
JP7207856B2 (ja) * 2018-03-12 2023-01-18 東芝Ｉｔコントロールシステム株式会社 Ｃｔ撮影装置
US11557038B2 (en) * 2019-10-17 2023-01-17 Electronics And Telecommunications Research Institute Apparatus and method for x-ray data generation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965358A (en) * 1974-12-06 1976-06-22 Albert Macovski Cross-sectional imaging system using a polychromatic x-ray source
FR2547149A1 (fr) * 1983-06-02 1984-12-07 Elscint Ltd Systeme et procede de reprojection en tomodensitometrie
US4714997A (en) * 1983-06-02 1987-12-22 Elscint Incorporated Data reduction in reprojection systems
DE69321244T3 (de) * 1993-12-24 2003-03-13 Agfa-Gevaert N.V., Mortsel Verfahren mit einer teildurchsichtigen Abschirmung zum Ausgleich der Röntgenbilddarstellung von Streustrahlen in Röntgenbildern
FR2740561B1 (fr) * 1995-10-27 1997-12-19 Inst Francais Du Petrole Methode pour evaluer la variation d'intensite d'un rayonnement polychromatique ayant un spectre de frequence connu, apres traversee d'un corps absorbant
US6490476B1 (en) * 1999-10-14 2002-12-03 Cti Pet Systems, Inc. Combined PET and X-ray CT tomograph and method for using same
DE10035984C1 (de) 2000-07-24 2002-01-31 Siemens Ag Röntgen-Computertomographieeinrichtung
DE10036142B4 (de) * 2000-07-25 2004-04-29 Siemens Ag Röntgen-Computertomographieeinrichtung
DE10051462A1 (de) * 2000-10-17 2002-04-25 Siemens Ag Verfahren zur Strahlaufhärtungskorrektur für ein mittels eines CT-Geräts aufgenommenes Ausgangsbild
JP4854137B2 (ja) 2001-06-21 2012-01-18 株式会社東芝 医用画像診断装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9888902B2 (en) 2011-07-12 2018-02-13 Hitachi, Ltd. X-ray CT device, calcuration device, recording medium for X-ray CT device, and maintenance method for X-ray CT device

Also Published As

Publication number Publication date
EP1700137A1 (de) 2006-09-13
US20080317320A1 (en) 2008-12-25
DE602004016560D1 (de) 2008-10-23
EP1700137B1 (de) 2008-09-10
JP2007513725A (ja) 2007-05-31
US7724935B2 (en) 2010-05-25
JP4709162B2 (ja) 2011-06-22
WO2005059592A1 (en) 2005-06-30

Similar Documents

Publication Publication Date Title
ATE408159T1 (de) Korrektur von durch den heel-effekt verursachten artefakten
SG10201707700WA (en) Performing Kernel Striding In Hardware
WO2008067490A3 (en) Parallel grid population
DK1743299T3 (da) Fremgangsmåde, computerprogramprodukt og anordning til at forbredre et computeriseret tomografi billede
DE602006014865D1 (de) Verfahren und einrichtung zum miteinander in beziehung setzen von medizinischen 3d-datenbild-ansichtsebenen
ECSP066756A (es) Anticuerpo monoclonal específico m-csf y los usos del mismo
MX2017009898A (es) Metodo para formar un arreglo de productos y el arreglo de productos formado mediante este.
FR2896895B1 (fr) Procede de synthese d'une image virtuelle par lancer de faisceaux
JP2009531724A5 (de)
BR0113615A (pt) Método para aparelho para decodificação de matriz de áudio
ATE519170T1 (de) Automatisierter vorlagenerzeugungsalgorithmus für eine implantierbare einrichtung
SG140573A1 (en) Image-processing apparatus, image processing method and image processing program
TW200703923A (en) Apparatus and methods for message passing decoding using simultaneous memory accesses
GB0113255D0 (en) Number generator
MX2009006030A (es) Procesamiento de datos sismicos usando tecnicas de interferometria.
ATE417289T1 (de) Bildgebung durch kohärente streuung
RU2015101510A (ru) Пиксельная компоновка детектора рентгеновского излучения
EP2728247A3 (de) Vorrichtung zur Erfassung von Objektinformationen
CA2259089A1 (en) Method and apparatus for masking cryptographic operations
TW200705208A (en) Processor task migration over a network in a multi-processor system
TW200943275A (en) Memory access apparatus and display using the same
FR3068798B1 (fr) Procede de generation d'un agencement de circuit 3d a partir d'un agencement de circuit 2d
BR0303029A (pt) Embalagem múltipla e método para produzir a mesma
DE602004024515D1 (de) Ersystem eines brennstoffprozessors
TW200625165A (en) Mapping method utilizing look-up table and related apparatus

Legal Events

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