ATE385333T1 - Metallartefaktkorrektur bei der computertomographie - Google Patents

Metallartefaktkorrektur bei der computertomographie

Info

Publication number
ATE385333T1
ATE385333T1 AT04743986T AT04743986T ATE385333T1 AT E385333 T1 ATE385333 T1 AT E385333T1 AT 04743986 T AT04743986 T AT 04743986T AT 04743986 T AT04743986 T AT 04743986T AT E385333 T1 ATE385333 T1 AT E385333T1
Authority
AT
Austria
Prior art keywords
projection data
processor
image
synthetic
reconstructed image
Prior art date
Application number
AT04743986T
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 ATE385333T1 publication Critical patent/ATE385333T1/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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/77—Retouching; Inpainting; Scratch removal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10081—Computed x-ray tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
AT04743986T 2003-07-18 2004-07-16 Metallartefaktkorrektur bei der computertomographie ATE385333T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48863203P 2003-07-18 2003-07-18

Publications (1)

Publication Number Publication Date
ATE385333T1 true ATE385333T1 (de) 2008-02-15

Family

ID=34079443

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04743986T ATE385333T1 (de) 2003-07-18 2004-07-16 Metallartefaktkorrektur bei der computertomographie

Country Status (6)

Country Link
US (1) US7340027B2 (de)
EP (1) EP1649421B1 (de)
JP (1) JP2007530086A (de)
AT (1) ATE385333T1 (de)
DE (1) DE602004011620T2 (de)
WO (1) WO2005008586A2 (de)

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US8137976B2 (en) 2006-07-12 2012-03-20 Varian Medical Systems, Inc. Dual angle radiation scanning of objects
WO2008059400A2 (en) * 2006-11-16 2008-05-22 Koninklijke Philips Electronics N.V. Computer tomography (ct) c-arm system and method for examination of an object
EP2102819B1 (de) * 2007-01-04 2014-04-02 Koninklijke Philips N.V. Vorrichtung, verfahren und computerprogramm zur herstellung eines korrigierten bildes eines zielbereiches aus aufgenommenen projektionsdaten
WO2008099314A2 (en) * 2007-02-13 2008-08-21 Philips Intellectual Property & Standards Gmbh Apparatus and method for determining high density shadows in projection data
US7729467B2 (en) * 2007-03-22 2010-06-01 General Electric Company Methods and systems for attentuation correction in medical imaging
US8217937B2 (en) * 2007-03-28 2012-07-10 The Aerospace Corporation Isosurfacial three-dimensional imaging system and method
US8526757B2 (en) * 2007-05-15 2013-09-03 Koninklijke Philips N.V. Imaging system and imaging method for imaging a region of interest
JP2010529876A (ja) * 2007-06-15 2010-09-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 画像内の高濃度領域を決定する装置
US20090060366A1 (en) * 2007-08-27 2009-03-05 Riverain Medical Group, Llc Object segmentation in images
WO2009141779A1 (en) * 2008-05-21 2009-11-26 Koninklijke Philips Electronics N.V. Imaging apparatus for generating an image of a region of interest
DE102008038357B3 (de) * 2008-08-19 2010-01-14 Siemens Aktiengesellschaft Verfahren zur Erzeugung von 2D-Schnittbildern aus 3D-Projektionsdaten, die mittels eines CT-Systems von einem metallische Anteile enthaltenden Untersuchungsobjekt erfasst wurden
DE102008045449B4 (de) * 2008-09-02 2016-03-31 Siemens Aktiengesellschaft Verfahren zur Erstellung von computertomographischen Aufnahmen eines Patienten mit metallischen Anteilen und Computersystem zur Durchführung des Verfahrens
JP5355036B2 (ja) * 2008-10-28 2013-11-27 株式会社東芝 核医学画像撮影装置、核医学画像再構成装置及び核医学画像再構成プログラム
US8280135B2 (en) * 2009-01-20 2012-10-02 Mayo Foundation For Medical Education And Research System and method for highly attenuating material artifact reduction in x-ray computed tomography
DE102009032059A1 (de) * 2009-07-07 2011-01-13 Siemens Aktiengesellschaft Sinogrammbearbeitung für die Metallartefaktreduktion in der Computertomographie
US8244016B2 (en) * 2009-07-20 2012-08-14 Wisconsin Alumni Research Foundation Method for suppressing streak artifacts in images produced with an x-ray imaging system
US8290120B2 (en) 2009-09-30 2012-10-16 Varian Medical Systems, Inc. Dual energy radiation scanning of contents of an object based on contents type
US8503750B2 (en) * 2009-10-06 2013-08-06 General Electric Company Method and apparatus for reduction of metal artifacts in CT images
US8233586B1 (en) * 2011-02-17 2012-07-31 Franz Edward Boas Iterative reduction of artifacts in computed tomography images using forward projection and an edge-preserving blur filter
JP2014518133A (ja) * 2011-06-30 2014-07-28 アナロジック コーポレイション 画像再構成方法とシステム｛ｉｔｅｒａｔｉｖｅｉｍａｇｅｒｅｃｏｎｓｇｔｒｕｃｔｉｏｎ｝
EP2797511B1 (de) * 2011-12-27 2016-05-18 Koninklijke Philips N.V. Entfernung von artefakten aus einem elektromagnetischen feldgenerator aus einem 3d-scan
CN104093361B (zh) 2012-01-25 2018-09-04 皇家飞利浦有限公司 一种牙科金属伪影减少方法及成像系统
WO2014033792A1 (ja) 2012-08-31 2014-03-06 株式会社島津製作所 放射線断層画像生成装置、放射線断層撮影装置および放射線断層画像生成方法
CN104599239A (zh) * 2013-10-31 2015-05-06 通用电气公司 一种医学图像中的金属伪影消除方法及装置
US9558569B2 (en) * 2014-08-12 2017-01-31 Toshiba Medical Systems Corporation Method and system for substantially reducing cone beam artifacts based upon image domain differentiation in circular computer tomography (CT)
JP6413059B2 (ja) * 2014-12-08 2018-10-31 国立大学法人京都大学 画像処理装置、画像処理方法、及びｘ線撮影装置
CN106911904B (zh) 2015-12-17 2020-04-21 通用电气公司 图像处理方法、图像处理系统及成像系统
JP6780948B2 (ja) * 2016-03-28 2020-11-04 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置
KR20180063753A (ko) 2016-12-02 2018-06-12 삼성전자주식회사 의료 영상 장치 및 동작 방법
KR101834458B1 (ko) * 2016-12-05 2018-03-05 연세대학교 산학협력단 최적의 임계값을 이용한 영상 보정 방법 및 장치
EP3779887B1 (de) * 2019-08-12 2022-10-19 Siemens Healthcare GmbH Computerimplementiertes verfahren zur ableitung von 3d-bilddaten eines rekonstruktionsvolumens und computerlesbares medium
CN113362404B (zh) * 2020-03-05 2024-03-22 上海西门子医疗器械有限公司 计算机断层扫描的散射校正方法、装置和存储介质
CN111803107B (zh) * 2020-08-06 2023-09-12 上海联影医疗科技股份有限公司 一种金属检测方法、装置、设备及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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DE2754361C2 (de) 1977-12-07 1983-07-14 N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven Verfahren zur Verminderung von Bildfehlern in Computer-Tomographiebildern
US4590558A (en) 1981-12-30 1986-05-20 General Electric Company Method and apparatus for removing objects from CT images
US5229934A (en) 1990-06-18 1993-07-20 Picker International, Inc. Post-processing technique for cleaning up streaks and artifacts in diagnostic images
US5243664A (en) 1991-09-16 1993-09-07 Picker International, Inc. Post-processing technique for reducing metallic clip artifacts in CT images
US6035012A (en) * 1998-05-14 2000-03-07 Gen Electric Artifact correction for highly attenuating objects
US6125193A (en) * 1998-06-01 2000-09-26 Kabushiki Kaisha Toshiba Method and system for high absorption object artifacts reduction and superposition
US6266388B1 (en) * 1999-09-07 2001-07-24 General Electric Company Methods and apparatus for two-pass cone beam image reconstruction
JP3707347B2 (ja) * 2000-04-07 2005-10-19 株式会社島津製作所 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

Also Published As

Publication number Publication date
US20060227928A1 (en) 2006-10-12
WO2005008586A3 (en) 2006-04-06
DE602004011620T2 (de) 2009-01-29
EP1649421B1 (de) 2008-01-30
US7340027B2 (en) 2008-03-04
WO2005008586A2 (en) 2005-01-27
DE602004011620D1 (de) 2008-03-20
EP1649421A2 (de) 2006-04-26
JP2007530086A (ja) 2007-11-01

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