JP4350738B2 - Ｘ線断層撮影装置およびアーチファクトの低減方法 - Google Patents

Ｘ線断層撮影装置およびアーチファクトの低減方法 Download PDF

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JP4350738B2
JP4350738B2 JP2006292156A JP2006292156A JP4350738B2 JP 4350738 B2 JP4350738 B2 JP 4350738B2 JP 2006292156 A JP2006292156 A JP 2006292156A JP 2006292156 A JP2006292156 A JP 2006292156A JP 4350738 B2 JP4350738 B2 JP 4350738B2
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artifact
pixel
pixels
determination
artifacts
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JP2008104762A5 (enExample
JP2008104762A (ja
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明 萩原
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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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Priority to JP2006292156A priority Critical patent/JP4350738B2/ja
Priority to DE102007049469.8A priority patent/DE102007049469B4/de
Priority to NL1034578A priority patent/NL1034578C2/nl
Priority to US11/924,462 priority patent/US7889833B2/en
Priority to CN2007101817861A priority patent/CN101169383B/zh
Publication of JP2008104762A publication Critical patent/JP2008104762A/ja
Publication of JP2008104762A5 publication Critical patent/JP2008104762A5/ja
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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
    • 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
    • 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)
JP2006292156A 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 Active JP4350738B2 (ja)

Priority Applications (5)

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
DE102007049469.8A DE102007049469B4 (de) 2006-10-27 2007-10-16 Röntgentomographievorrichtung und Artefaktreduktionsverfahren
NL1034578A NL1034578C2 (nl) 2006-10-27 2007-10-25 Röntgentomografieapparatuur en artefact reducerende werkwijze.
US11/924,462 US7889833B2 (en) 2006-10-27 2007-10-25 X-ray tomography apparatus and artifact reducing method
CN2007101817861A CN101169383B (zh) 2006-10-27 2007-10-29 X-射线断层摄影设备和伪影减少方法

Applications Claiming Priority (1)

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

Publications (3)

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JP2008104762A JP2008104762A (ja) 2008-05-08
JP2008104762A5 JP2008104762A5 (enExample) 2009-07-30
JP4350738B2 true JP4350738B2 (ja) 2009-10-21

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US (1) US7889833B2 (enExample)
JP (1) JP4350738B2 (enExample)
CN (1) CN101169383B (enExample)
DE (1) DE102007049469B4 (enExample)
NL (1) NL1034578C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015130388A1 (en) 2014-02-27 2015-09-03 Ge Medical Systems Global Technology Company, Llc Image generating apparatus, radiation tomography imaging apparatus, and image generating method and program

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8483363B2 (en) * 2007-11-15 2013-07-09 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
JP5711241B2 (ja) * 2009-10-06 2015-04-30 コーニンクレッカ フィリップス エヌ ヴェ コーンビームｃｔ画像におけるアーチファクト低減のための方法
JP5944393B2 (ja) * 2010-09-17 2016-07-05 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｘ線管アーク放電ライドスルー
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
US9943281B2 (en) * 2013-07-25 2018-04-17 Hitachi, Ltd. X-ray CT apparatus
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
EP3080593B1 (en) 2013-12-12 2021-11-24 General Electric Company Method for defect indication detection
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
SG11202005927VA (en) 2017-12-20 2020-07-29 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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537485A (en) * 1992-07-21 1996-07-16 Arch Development Corporation Method for computer-aided detection of clustered microcalcifications from digital mammograms
US5712889A (en) * 1994-08-24 1998-01-27 Lanzara; Giovanni Scanned volume CT scanner
US5933540A (en) * 1995-05-11 1999-08-03 General Electric Company Filter system and method for efficiently suppressing noise and improving edge definition in a digitized image
IL118784A (en) * 1996-07-03 1999-04-11 Eliav Medical Imaging Systems Method and apparatus for processing images for removal of artifacts
US5727041A (en) * 1996-11-13 1998-03-10 General Electric Company Methods and apparatus for reducing partial volume image artifacts
US6009140A (en) * 1997-11-07 1999-12-28 General Electric Company Stair-case suppression for computed tomograph imaging
US6333990B1 (en) 1998-06-02 2001-12-25 General Electric Company Fourier spectrum method to remove grid line artifacts without changing the diagnostic quality in X-ray images
US6081577A (en) * 1998-07-24 2000-06-27 Wake Forest University Method and system for creating task-dependent three-dimensional images
US6463118B2 (en) * 2000-12-29 2002-10-08 Ge Medical Systems Global Technology Company, Llc Computed tomography (CT) weighting for high quality image recontruction
US6373920B1 (en) * 2001-03-16 2002-04-16 Ge Medical Systems Global Technology Company, Llc Method and apparatus for acquiring CT perfusion images
US6587537B1 (en) 2002-04-01 2003-07-01 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for multi-slice image reconstruction
JP4090970B2 (ja) 2003-09-09 2008-05-28 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 放射線断層画像撮影装置と放射線断層画像撮影方法および画像生成装置と画像生成方法
US20050226365A1 (en) * 2004-03-30 2005-10-13 Kabushiki Kaisha Toshiba Radius-in-image dependent detector row filtering for windmill artifact reduction
US7623691B2 (en) * 2004-08-06 2009-11-24 Kabushiki Kaisha Toshiba Method for helical windmill artifact reduction with noise restoration for helical multislice CT
US20060285737A1 (en) * 2005-06-17 2006-12-21 Hamill James J Image-based artifact reduction in PET/CT imaging
JP5161427B2 (ja) * 2006-02-20 2013-03-13 株式会社東芝 画像撮影装置、画像処理装置及びプログラム
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015130388A1 (en) 2014-02-27 2015-09-03 Ge Medical Systems Global Technology Company, Llc Image generating apparatus, radiation tomography imaging apparatus, and image generating method and program
US10134157B2 (en) 2014-02-27 2018-11-20 General Electric Company Image generating apparatus, radiation tomography imaging apparatus, and image generating method and program

Also Published As

Publication number Publication date
US7889833B2 (en) 2011-02-15
CN101169383B (zh) 2012-09-19
NL1034578C2 (nl) 2009-04-15
NL1034578A1 (nl) 2008-04-29
JP2008104762A (ja) 2008-05-08
DE102007049469A1 (de) 2008-05-08
DE102007049469B4 (de) 2016-07-07
US20080130823A1 (en) 2008-06-05
CN101169383A (zh) 2008-04-30

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