IL129807A0 - Artifact correction for highly attenuating objects - Google Patents

Artifact correction for highly attenuating objects

Info

Publication number
IL129807A0
IL129807A0 IL12980799A IL12980799A IL129807A0 IL 129807 A0 IL129807 A0 IL 129807A0 IL 12980799 A IL12980799 A IL 12980799A IL 12980799 A IL12980799 A IL 12980799A IL 129807 A0 IL129807 A0 IL 129807A0
Authority
IL
Israel
Prior art keywords
artifact correction
highly attenuating
attenuating objects
objects
highly
Prior art date
Application number
IL12980799A
Other languages
English (en)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL129807A0 publication Critical patent/IL129807A0/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Arrangements 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
    • 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]
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
  • Image Input (AREA)
IL12980799A 1998-05-14 1999-05-06 Artifact correction for highly attenuating objects IL129807A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/078,938 US6035012A (en) 1998-05-14 1998-05-14 Artifact correction for highly attenuating objects

Publications (1)

Publication Number Publication Date
IL129807A0 true IL129807A0 (en) 2000-02-29

Family

ID=22147132

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12980799A IL129807A0 (en) 1998-05-14 1999-05-06 Artifact correction for highly attenuating objects

Country Status (5)

Country Link
US (1) US6035012A (ja)
JP (1) JP4384749B2 (ja)
CN (1) CN100360089C (ja)
DE (1) DE19921116A1 (ja)
IL (1) IL129807A0 (ja)

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DE10051462A1 (de) 2000-10-17 2002-04-25 Siemens Ag Verfahren zur Strahlaufhärtungskorrektur für ein mittels eines CT-Geräts aufgenommenes Ausgangsbild
US6438195B1 (en) 2001-01-26 2002-08-20 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for compensating for view aliasing artifacts
US6480560B2 (en) 2001-03-16 2002-11-12 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for motion gating using CT projection data
US6421411B1 (en) 2001-05-10 2002-07-16 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for helical image artifact reduction
US6408042B1 (en) 2001-06-15 2002-06-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for cone beam artifact suppression in scanning imaging systems
US6449330B1 (en) 2001-06-28 2002-09-10 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in computed tomographic imaging
US7099503B2 (en) * 2001-09-17 2006-08-29 Ge Medical Systems Global Technology Llc Image reconstruction method and X-ray CT apparatus
DE10202732A1 (de) * 2002-01-24 2003-08-07 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Erstellen einer Korrekturkennlinie für eine Reduktion von Artefakten bei einer Tomographie
US6654442B2 (en) * 2002-03-29 2003-11-25 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for weighting projection data
US7099428B2 (en) * 2002-06-25 2006-08-29 The Regents Of The University Of Michigan High spatial resolution X-ray computed tomography (CT) system
DE10393169T5 (de) * 2002-08-26 2006-02-02 Orthosoft, Inc., Montreal Verfahren zum Platzieren von mehreren Implantaten während einer Operation unter Verwendung eines computergeschützten Chirurgiesystems
WO2005008586A2 (en) * 2003-07-18 2005-01-27 Koninklijke Philips Electronics N.V. Metal artifact correction in computed tomography
EP1714255B1 (en) * 2004-02-05 2016-10-05 Koninklijke Philips N.V. Image-wide artifacts reduction caused by high attenuating objects in ct deploying voxel tissue class
US20050201605A1 (en) * 2004-03-11 2005-09-15 Jianying Li Methods and apparatus for CT smoothing to reduce artifacts
WO2006039809A1 (en) * 2004-10-12 2006-04-20 UNIVERSITé LAVAL Method and apparatus for metal artifact reduction in computed tomography
JP2006167161A (ja) * 2004-12-16 2006-06-29 Tokyo Institute Of Technology Ｘ線ｃｔ画像再構成方法、装置及びｘ線ｃｔ画像再構成プログラムを記憶した記憶媒体
US7672421B2 (en) * 2005-10-12 2010-03-02 Siemens Medical Solutions Usa, Inc. Reduction of streak artifacts in low dose CT imaging through multi image compounding
US20090087065A1 (en) * 2006-02-03 2009-04-02 Koninklijke Philips Electronics N. V. Accounting for foreign objects when creating ct-based attenuation maps
CN100365664C (zh) * 2006-03-02 2008-01-30 西安交通大学 基于hl一致性条件的ct投影数据射束硬化效应校正方法
WO2008084352A1 (en) * 2007-01-04 2008-07-17 Koninklijke Philips Electronics N. V. Apparatus, method and computer program for producing a corrected image of a region of interest from acquired projection data
JP2010525856A (ja) * 2007-04-23 2010-07-29 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 エネルギ依存型投影データから関心領域を画像形成するための画像形成システム
WO2008139414A1 (en) * 2007-05-15 2008-11-20 Koninklijke Philips Electronics N.V. Imaging system and imaging method for imaging a region of interest
RU2479038C2 (ru) * 2007-12-20 2013-04-10 Конинклейке Филипс Электроникс Н.В. Трехмерная реконструкция тела и контура тела
CN101627918A (zh) * 2008-07-18 2010-01-20 Ge医疗系统环球技术有限公司 Ct影像压缩方法和装置
DE102008053752A1 (de) * 2008-10-24 2010-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Röntgencomputertomograf zur Untersuchung eines Objektes mittels Röntgencomputertomografie
DE102009032059A1 (de) * 2009-07-07 2011-01-13 Siemens Aktiengesellschaft Sinogrammbearbeitung für die Metallartefaktreduktion in der Computertomographie
DE102009043213A1 (de) * 2009-09-28 2011-03-31 Siemens Aktiengesellschaft Effiziente Korrektur von Polychromieeffekten bei der Bildrekonstruktion
US8503750B2 (en) * 2009-10-06 2013-08-06 General Electric Company Method and apparatus for reduction of metal artifacts in CT images
US8363917B2 (en) * 2009-10-14 2013-01-29 General Electric Company System and method of image artifact reduction in fast kVp switching CT
DE102009051384A1 (de) * 2009-10-30 2011-05-12 Friedrich-Alexander-Universität Erlangen-Nürnberg Strahlaufhärtungskorrektur für CT-Perfusionsmessungen
CN102521801B (zh) * 2011-11-23 2014-07-02 中国科学院深圳先进技术研究院 Ct图像的环形伪影及弧形伪影校正方法
DE102013218325A1 (de) * 2013-09-12 2015-03-12 Siemens Aktiengesellschaft Generierung eines Maßes für den Einfluss von Metallartefakten auf rekonstruierte Dichtewerte
JP6179368B2 (ja) * 2013-11-22 2017-08-16 コニカミノルタ株式会社 画像表示装置及び画像表示方法
DE102014206720A1 (de) * 2014-04-08 2015-10-08 Siemens Aktiengesellschaft Rauschreduktion in Tomogrammen
US9483851B2 (en) * 2014-07-14 2016-11-01 General Electric Company Systems and methods for filtering for image generation
CN106551702B (zh) * 2015-09-30 2021-05-14 通用电气公司 Ct图像的射束硬化伪影校正装置及方法
JP2017211200A (ja) * 2016-05-23 2017-11-30 株式会社デンソー カメラ校正装置及びカメラ校正方法
US10111638B2 (en) 2016-05-24 2018-10-30 Toshiba Medical Systems Corporation Apparatus and method for registration and reprojection-based material decomposition for spectrally resolved computed tomography
KR101763323B1 (ko) 2016-06-29 2017-08-01 한국생산기술연구원 오블리크타입 ct장치의 3차원내부형상이미지처리 중의 미싱웨지영향 저감방법
CN111415394B (zh) * 2020-03-16 2023-08-15 上海联影医疗科技股份有限公司 骨硬化伪影校正方法、装置、计算机设备和可读存储介质
CN111476856B (zh) * 2020-04-08 2023-06-06 中北大学 一种多谱ct成像方法

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US5243664A (en) * 1991-09-16 1993-09-07 Picker International, Inc. Post-processing technique for reducing metallic clip artifacts in CT images
CN1068200A (zh) * 1992-06-15 1993-01-20 南京市中医院 骨痂生长及骨矿物密度的定量分析方法及x线机图像系统
US5412703A (en) * 1993-02-04 1995-05-02 Institute For Radiological Image Science, Inc. Reduced partial volume artifacts in image reconstruction, with application to X-ray computed tomography
US5727041A (en) * 1996-11-13 1998-03-10 General Electric Company Methods and apparatus for reducing partial volume image artifacts

Also Published As

Publication number Publication date
DE19921116A1 (de) 1999-11-18
CN100360089C (zh) 2008-01-09
JP2000000236A (ja) 2000-01-07
JP4384749B2 (ja) 2009-12-16
US6035012A (en) 2000-03-07
CN1235811A (zh) 1999-11-24

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