ATE354838T1 - System und verfahren für exakte bildrekonstruktion für spiral-kegelstrahl- computertomographie mit redundanten daten - Google Patents

System und verfahren für exakte bildrekonstruktion für spiral-kegelstrahl- computertomographie mit redundanten daten

Info

Publication number
ATE354838T1
ATE354838T1 AT04709292T AT04709292T ATE354838T1 AT E354838 T1 ATE354838 T1 AT E354838T1 AT 04709292 T AT04709292 T AT 04709292T AT 04709292 T AT04709292 T AT 04709292T AT E354838 T1 ATE354838 T1 AT E354838T1
Authority
AT
Austria
Prior art keywords
projection data
processor
aperture
convolved
exact reconstruction
Prior art date
Application number
AT04709292T
Other languages
English (en)
Inventor
Dominic J Heuscher
Kevin M Brown
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 ATE354838T1 publication Critical patent/ATE354838T1/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
    • G06T11/006—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 for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Devices 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
    • G06T2211/416—Exact reconstruction
AT04709292T 2003-02-14 2004-02-09 System und verfahren für exakte bildrekonstruktion für spiral-kegelstrahl- computertomographie mit redundanten daten ATE354838T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44742803P 2003-02-14 2003-02-14
US48316503P 2003-06-27 2003-06-27

Publications (1)

Publication Number Publication Date
ATE354838T1 true ATE354838T1 (de) 2007-03-15

Family

ID=37087805

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04709292T ATE354838T1 (de) 2003-02-14 2004-02-09 System und verfahren für exakte bildrekonstruktion für spiral-kegelstrahl- computertomographie mit redundanten daten

Country Status (5)

Country Link
US (1) US7180975B2 (de)
JP (1) JP2007527253A (de)
AT (1) ATE354838T1 (de)
DE (1) DE602004004877T2 (de)
WO (1) WO2004072904A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7539281B2 (en) * 2004-10-15 2009-05-26 General Electric Company Methods and apparatus for reconstruction in helical cone beam volumetric CT
US7477720B2 (en) 2005-06-28 2009-01-13 University Of Utah Research Foundation Cone-beam reconstruction using backprojection of locally filtered projections and X-ray CT apparatus
US7848556B2 (en) * 2005-10-07 2010-12-07 Siemens Medical Solutions Usa, Inc. Method and apparatus for calculating a virtual image plane for magnetic resonance imaging
JP5179007B2 (ja) * 2005-12-01 2013-04-10 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 Ｘ線ｃｔ装置およびそのｘ線ｃｔ画像再構成方法
DE102006002037A1 (de) * 2006-01-16 2007-07-19 Siemens Ag Verfahren zur Bearbeitung diagnostischer Bilddaten
EP2234541B1 (de) * 2007-12-20 2016-05-04 Koninklijke Philips N.V. Stereoröhren-dämpfungsfilter
US7792238B2 (en) 2008-02-18 2010-09-07 General Electric Company Method and system for reconstructing cone-beam projection data with reduced artifacts
WO2010028027A1 (en) * 2008-09-03 2010-03-11 Mayo Foundation For Medical Education And Research Method for reconstruction in dual energy, dual source helical computed tomography
US8660235B2 (en) 2009-11-03 2014-02-25 Koninklijke Philips N.V. Computed tomography apparatus
US8731266B2 (en) * 2009-12-17 2014-05-20 General Electric Company Method and system for correcting artifacts in image reconstruction
US8559690B2 (en) * 2010-01-28 2013-10-15 Scivis Wissenschaftliche Bildverarbeitung Gmbh Tomographic imaging using poissonian detector data
US8805037B2 (en) 2011-05-31 2014-08-12 General Electric Company Method and system for reconstruction of tomographic images
US8731269B2 (en) * 2011-10-19 2014-05-20 Kabushiki Kaisha Toshiba Method and system for substantially reducing artifacts in circular cone beam computer tomography (CT)
CN103076580B (zh) 2011-10-25 2016-02-03 通用电气公司 梯度放大器、逆变器控制器、磁共振成像系统及控制方法
CN103078510B (zh) 2011-10-25 2015-11-25 通用电气公司 谐振电源、磁共振成像系统及控制方法
CN103078515A (zh) 2011-10-25 2013-05-01 通用电气公司 谐振电源、变换器控制器、磁共振成像系统及控制方法
DE102012209001A1 (de) * 2012-05-29 2014-01-02 Siemens Aktiengesellschaft Rekonstruktion von Bilddaten
DE102012221064B4 (de) * 2012-11-19 2021-01-07 Siemens Healthcare Gmbh Verfahren, Recheneinheit, CT-System, Computerprogramm und Datenträger zur beschleunigten rohdatenbasierten iterativen Rekonstruktion von CT-Bildern
TWI517093B (zh) 2013-10-11 2016-01-11 Univ Nat Yang Ming Computer tomography reconstruction method
US10255696B2 (en) 2015-12-11 2019-04-09 Shanghai United Imaging Healthcare Co., Ltd. System and method for image reconstruction
CN108292428B (zh) 2015-12-11 2023-03-31 上海联影医疗科技股份有限公司 图像重建的系统和方法
US10776966B2 (en) * 2017-04-28 2020-09-15 Oracle International Corporation Graph processing system that allows flexible manipulation of edges and their properties during graph mutation
CN111757703B (zh) * 2018-09-26 2023-04-07 上海联影医疗科技股份有限公司 用于图像生成的系统和方法
EP3632325A1 (de) 2018-10-04 2020-04-08 Koninklijke Philips N.V. System zur bereitstellung eines spektralbildes

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293912A (en) 1977-09-30 1981-10-06 Technicare Corporation Tomographic apparatus
US4580219A (en) 1983-05-02 1986-04-01 General Electric Company Method for reducing image artifacts due to projection measurement inconsistencies
US5170439A (en) * 1991-06-11 1992-12-08 Picker International, Inc. Cone beam reconstruction using combined circle and line orbits
US5446799A (en) 1993-11-01 1995-08-29 Picker International, Inc. CT Scanner with improved processing efficiency 180 degrees+ fan angle reconstruction system
US5406479A (en) 1993-12-20 1995-04-11 Imatron, Inc. Method for rebinning and for correcting cone beam error in a fan beam computed tomographic scanner system
US5625660A (en) 1995-06-30 1997-04-29 Picker International, Inc. Image reconstruction from helical partial cone-beam data
US6097784A (en) 1998-09-30 2000-08-01 Picker International, Inc. 3D image reconstruction for helical partial cone beam data
US6104775A (en) 1998-10-29 2000-08-15 Picker International, Inc. 3D image reconstruction for helical partial cone beam scanners using wedge beam transform
DE10035138A1 (de) 2000-07-19 2002-01-31 Philips Corp Intellectual Pty Computertomographie-Verfahren mit kegelförmiger Durcstrahlung eines Objekts
US6504892B1 (en) 2000-10-13 2003-01-07 University Of Rochester System and method for cone beam volume computed tomography using circle-plus-multiple-arc orbit
US6574299B1 (en) * 2001-08-16 2003-06-03 University Of Central Florida Exact filtered back projection (FBP) algorithm for spiral computer tomography
US6751283B2 (en) * 2002-08-06 2004-06-15 Koninklijke Philips Electronics, N.V. Reconstruction method for tilted-gantry computed tomography

Also Published As

Publication number Publication date
DE602004004877D1 (de) 2007-04-05
DE602004004877T2 (de) 2007-11-08
JP2007527253A (ja) 2007-09-27
WO2004072904A8 (en) 2006-10-19
WO2004072904A1 (en) 2004-08-26
US7180975B2 (en) 2007-02-20
US20060133562A1 (en) 2006-06-22

Similar Documents

Publication Publication Date Title
ATE354838T1 (de) System und verfahren für exakte bildrekonstruktion für spiral-kegelstrahl- computertomographie mit redundanten daten
US7515676B2 (en) Method, apparatus, and computer program product for sinogram completion
JP5019193B2 (ja) スキャン対象に関するｃｔ画像内の再構成点における画像データ値を決定する再構成方法及びｘ線コンピュータ断層撮影装置
JP5662447B2 (ja) 関心領域画像の再構成
US7340027B2 (en) Metal artifact correction in computed tomography
EP2102819B1 (de) Vorrichtung, verfahren und computerprogramm zur herstellung eines korrigierten bildes eines zielbereiches aus aufgenommenen projektionsdaten
US10722178B2 (en) Method and apparatus for motion correction in CT imaging
ATE465471T1 (de) System und verfahren für spiralförmige 3d- computertomographie mit exakter rekonstruktion
Joemai et al. Metal artifact reduction for CT: Development, implementation, and clinical comparison of a generic and a scanner‐specific technique
JP2001286463A (ja) Ｘ線ｃｔ装置の画像処理方法及びｘ線ｃｔ装置並びにｘ線ｃｔ撮影用記録媒体
Zamyatin et al. Extension of the reconstruction field of view and truncation correction using sinogram decomposition
JP2006239420A (ja) ディジタル・トモシンセシスのフィルタ処理逆投影再構築に関するシステム、方法及び装置
JP6954719B2 (ja) 検査ボリュームの差分画像データセットの決定
JP6062250B2 (ja) 逐次近似法を用いたｘ線コンピュータ断層撮影装置（ｘ線ｃｔ装置）
US7050528B2 (en) Correction of CT images for truncated or incomplete projections
US6850587B1 (en) Reprojection-based three-dimensional image reconstruction
CN109493393B (zh) 减少计算机断层扫描图像数据中的多个移动伪像
Kratz et al. Reference‐free ground truth metric for metal artifact evaluation in CT images
Jang et al. Head motion correction based on filtered backprojection for x‐ray CT imaging
JP7378404B2 (ja) 非スペクトルイメージングシステムを用いたスペクトルイメージング
ATE413669T1 (de) Rekonstruktionsverfahren für spiral-kegelstrahl- computertomographie
CN110073412B (zh) 使用交替否定的图像噪声估计
US7646842B2 (en) Methods and apparatus for reconstructing thick image slices
Zeng et al. Noise weighting with an exponent for transmission CT
US7848479B1 (en) Image reconstruction for a general circle-plus trajectory

Legal Events

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