DE102007049469B4 - Röntgentomographievorrichtung und Artefaktreduktionsverfahren - Google Patents

Röntgentomographievorrichtung und Artefaktreduktionsverfahren Download PDF

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Publication number
DE102007049469B4
DE102007049469B4 DE102007049469.8A DE102007049469A DE102007049469B4 DE 102007049469 B4 DE102007049469 B4 DE 102007049469B4 DE 102007049469 A DE102007049469 A DE 102007049469A DE 102007049469 B4 DE102007049469 B4 DE 102007049469B4
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artifact
pixel
value
tomographic image
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DE102007049469A1 (de
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Akira Hagiwara
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/77—Retouching; Inpainting; Scratch removal
    • 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/30—Image post-processing, e.g. metal artefact correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • 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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/401—Imaging image processing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00—Indexing scheme for image data processing or generation, in general
    • G06T2200/04—Indexing scheme for image data processing or generation, in general involving 3D image data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE102007049469.8A 2006-10-27 2007-10-16 Röntgentomographievorrichtung und Artefaktreduktionsverfahren Expired - Fee Related DE102007049469B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006292156A JP4350738B2 (ja) 2006-10-27 2006-10-27 Ｘ線断層撮影装置およびアーチファクトの低減方法
JP2006-292156 2006-10-27

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DE102007049469A1 DE102007049469A1 (de) 2008-05-08
DE102007049469B4 true DE102007049469B4 (de) 2016-07-07

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Country Link
US (1) US7889833B2 (https=)
JP (1) JP4350738B2 (https=)
CN (1) CN101169383B (https=)
DE (1) DE102007049469B4 (https=)
NL (1) NL1034578C2 (https=)

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JP4414420B2 (ja) * 2006-10-27 2010-02-10 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線断層撮影装置およびアーチファクトの低減方法
EP2222227A2 (en) * 2007-11-15 2010-09-01 Koninklijke Philips Electronics N.V. Movable wedge for improved image quality in 3d x-ray imaging
CN101620191B (zh) * 2008-07-04 2013-01-02 Ge医疗系统环球技术有限公司 具校正ct平扫图像失真的图像获取方法及其装置
CN102018524B (zh) * 2009-09-09 2014-04-09 上海西门子医疗器械有限公司 一种伪影检测方法和装置
RU2543547C2 (ru) * 2009-10-06 2015-03-10 Конинклейке Филипс Электроникс Н.В. Способ уменьшения артефактов в изображениях конусно-лучевой компьютерной томографии
CN103096803B (zh) * 2010-09-17 2015-11-25 皇家飞利浦电子股份有限公司 X射线管电弧放电运转
US8861827B2 (en) * 2012-02-28 2014-10-14 General Electric Company System and method for determining confidence measurements of single volume elements in computer tomography
KR20130135660A (ko) * 2012-06-01 2013-12-11 삼성전자주식회사 단층 영상 생성 장치 및 단층 영상 생성 방법
JP6294055B2 (ja) * 2012-11-27 2018-03-14 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ｘ線ｃｔ装置用のデータ検出システム
WO2015012323A1 (ja) * 2013-07-25 2015-01-29 株式会社日立メディコ Ｘ線ｃｔ装置
JP6188488B2 (ja) * 2013-08-27 2017-08-30 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
US10203290B2 (en) 2013-12-12 2019-02-12 General Electric Company Method for defect indication detection
JP6321405B2 (ja) 2014-02-27 2018-05-09 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 画像生成装置、放射線断層撮影装置及び画像生成方法並びにプログラム
JP6169626B2 (ja) * 2014-03-10 2017-07-26 富士フイルム株式会社 放射線画像処理装置、方法およびプログラム
CN104978717A (zh) * 2015-06-11 2015-10-14 沈阳东软医疗系统有限公司 Ct重建图像的处理方法、装置及设备
JP6293713B2 (ja) 2015-08-27 2018-03-14 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 画像処理装置、放射線断層撮影装置並びにプログラム
CN107274350B (zh) 2016-04-07 2021-08-10 通用电气公司 用于减少x射线图像中的振铃效应的方法及系统
KR101977645B1 (ko) 2017-08-25 2019-06-12 주식회사 메디웨일 안구영상 분석방법
CN109961487B (zh) * 2017-12-14 2025-01-10 通用电气公司 放疗定位图像识别方法、计算机程序及计算机存储介质
EP3730040B1 (en) 2017-12-20 2025-10-29 Medi Whale Inc. Method and apparatus for assisting in diagnosis of cardiovascular disease
US12254985B2 (en) 2017-12-20 2025-03-18 Medi Whale Inc. Diagnosis assistance method and cardiovascular disease diagnosis assistance method
MY208630A (en) 2017-12-20 2025-05-21 Medi Whale Inc Method and apparatus for assisting in diagnosis of cardiovascular disease
WO2020009292A1 (ko) * 2018-07-06 2020-01-09 주식회사 메디웨일 안저 이미지 관리 장치 및 안저 이미지의 품질 판단 방법
EP3843041A1 (en) * 2019-12-23 2021-06-30 Koninklijke Philips N.V. Apparatus for computer tomography x-ray data acquired at high relative pitch
CN111986285B (zh) * 2020-08-28 2024-04-26 上海联影医疗科技股份有限公司 一种图像校正方法、装置、设备及存储介质
DE102020210958A1 (de) * 2020-08-31 2022-03-03 Siemens Healthcare Gmbh Verfahren für eine Artefakt-Korrektur bei einer Rekonstruktion von wenigstens einem Schichtbild aus einer Mehrzahl an Projektionsbildern
CN113034522B (zh) * 2021-04-01 2022-11-01 上海市第一人民医院 一种基于人工神经网络的ct图像分割方法
CN115393250B (zh) * 2021-05-25 2025-09-16 上海西门子医疗器械有限公司 线伪影的评估方法、系统、x射线机及存储介质
US12198257B2 (en) 2022-08-26 2025-01-14 General Electric Company System and method of producing a computer-generated image of a component part using computed tomography
WO2025158821A1 (ja) * 2024-01-24 2025-07-31 日産自動車株式会社 品質検査方法、及び品質検査装置

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DE19839311A1 (de) * 1997-11-07 1999-05-12 Gen Electric Treppenunterdrückung bei Computer-Tomographie-Abbildungen

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DE19839311A1 (de) * 1997-11-07 1999-05-12 Gen Electric Treppenunterdrückung bei Computer-Tomographie-Abbildungen

Also Published As

Publication number Publication date
DE102007049469A1 (de) 2008-05-08
JP2008104762A (ja) 2008-05-08
NL1034578C2 (nl) 2009-04-15
CN101169383A (zh) 2008-04-30
US7889833B2 (en) 2011-02-15
US20080130823A1 (en) 2008-06-05
CN101169383B (zh) 2012-09-19
NL1034578A1 (nl) 2008-04-29
JP4350738B2 (ja) 2009-10-21

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