DE602004011620D1 - Metallartefaktkorrektur bei der computertomographie - Google Patents

Metallartefaktkorrektur bei der computertomographie

Info

Publication number
DE602004011620D1
DE602004011620D1 DE602004011620T DE602004011620T DE602004011620D1 DE 602004011620 D1 DE602004011620 D1 DE 602004011620D1 DE 602004011620 T DE602004011620 T DE 602004011620T DE 602004011620 T DE602004011620 T DE 602004011620T DE 602004011620 D1 DE602004011620 D1 DE 602004011620D1
Authority
DE
Germany
Prior art keywords
projection data
processor
image
synthetic
reconstructed image
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.)
Active
Application number
DE602004011620T
Other languages
English (en)
Other versions
DE602004011620T2 (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
Publication of DE602004011620D1 publication Critical patent/DE602004011620D1/de
Application granted granted Critical
Publication of DE602004011620T2 publication Critical patent/DE602004011620T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06T5/77—
    • 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
DE602004011620T 2003-07-18 2004-07-16 Metallartefaktkorrektur bei der computertomographie Active DE602004011620T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US48863203P 2003-07-18 2003-07-18
US488632P 2003-07-18
PCT/IB2004/002325 WO2005008586A2 (en) 2003-07-18 2004-07-16 Metal artifact correction in computed tomography

Publications (2)

Publication Number Publication Date
DE602004011620D1 true DE602004011620D1 (de) 2008-03-20
DE602004011620T2 DE602004011620T2 (de) 2009-01-29

Family

ID=34079443

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004011620T Active DE602004011620T2 (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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WO2008099314A2 (en) * 2007-02-13 2008-08-21 Philips Intellectual Property & Standards Gmbh Apparatus and method for determining high density shadows in projection data
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US8526757B2 (en) * 2007-05-15 2013-09-03 Koninklijke Philips N.V. Imaging system and imaging method for imaging a region of interest
WO2008152593A2 (en) * 2007-06-15 2008-12-18 Koninklijke Philips Electronics N.V. Apparatus for determining a high density region in an image
US20090060366A1 (en) * 2007-08-27 2009-03-05 Riverain Medical Group, Llc Object segmentation in images
CN102036609B (zh) * 2008-05-21 2013-03-27 皇家飞利浦电子股份有限公司 用于生成感兴趣区域的图像的成像装置
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
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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
WO2013002805A1 (en) * 2011-06-30 2013-01-03 Analogic Corporation Iterative image reconstruction
WO2013098767A1 (en) * 2011-12-27 2013-07-04 Koninklijke Philips Electronics N.V. Removal of artifacts from an em field generator from a 3d scan
EP2806801B1 (de) 2012-01-25 2017-11-29 Koninklijke Philips N.V. Verringerung von metallartefakten aus metallischen zahnfüllungen und/oder kronen in der computertomografie (ct) und/oder bei röntgenstrahlen
JP5994858B2 (ja) * 2012-08-31 2016-09-21 株式会社島津製作所 放射線断層画像生成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

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Publication number Priority date Publication date Assignee Title
DE2754361C2 (de) 1977-12-07 1983-07-14 N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven Verfahren zur Verminderung von Bildfehlern in Computer-Tomographiebildern
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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
JP2007530086A (ja) 2007-11-01
EP1649421B1 (de) 2008-01-30
WO2005008586A2 (en) 2005-01-27
DE602004011620T2 (de) 2009-01-29
US7340027B2 (en) 2008-03-04
US20060227928A1 (en) 2006-10-12
ATE385333T1 (de) 2008-02-15
WO2005008586A3 (en) 2006-04-06
EP1649421A2 (de) 2006-04-26

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