JP4611168B2 - 画像再構成方法、およびｘ線ｃｔ装置 - Google Patents

画像再構成方法、およびｘ線ｃｔ装置 Download PDF

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JP4611168B2
JP4611168B2 JP2005295261A JP2005295261A JP4611168B2 JP 4611168 B2 JP4611168 B2 JP 4611168B2 JP 2005295261 A JP2005295261 A JP 2005295261A JP 2005295261 A JP2005295261 A JP 2005295261A JP 4611168 B2 JP4611168 B2 JP 4611168B2
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JP2007098025A5 (enExample
JP2007098025A (ja
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明彦 西出
明 萩原
琴子 森川
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GE Medical Systems Global Technology Co LLC
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Priority to JP2005295261A priority Critical patent/JP4611168B2/ja
Priority to DE102006047730A priority patent/DE102006047730B4/de
Priority to US11/539,343 priority patent/US7639772B2/en
Priority to NL1032638A priority patent/NL1032638C2/nl
Priority to CN2006101421412A priority patent/CN1945630B/zh
Priority to KR1020060097892A priority patent/KR20070038922A/ko
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Publication of JP2007098025A5 publication Critical patent/JP2007098025A5/ja
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    • 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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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

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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)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (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)
JP2005295261A 2005-10-07 2005-10-07 画像再構成方法、およびｘ線ｃｔ装置 Expired - Fee Related JP4611168B2 (ja)

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Application Number Priority Date Filing Date Title
JP2005295261A JP4611168B2 (ja) 2005-10-07 2005-10-07 画像再構成方法、およびｘ線ｃｔ装置
US11/539,343 US7639772B2 (en) 2005-10-07 2006-10-06 Image reconstructing method and X-ray CT apparatus
NL1032638A NL1032638C2 (nl) 2005-10-07 2006-10-06 Beeldreconstructiewerkwijze en röntgen-CT-apparatuur.
DE102006047730A DE102006047730B4 (de) 2005-10-07 2006-10-06 Bildrekonstruktionsverfahren und Röntgen-CT-Vorrichtung
CN2006101421412A CN1945630B (zh) 2005-10-07 2006-10-08 图像重构方法和计算x线断层成像设备
KR1020060097892A KR20070038922A (ko) 2005-10-07 2006-10-09 화상 재구성 방법 및 ｘ선 ｃｔ 장치

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JP2005295261A JP4611168B2 (ja) 2005-10-07 2005-10-07 画像再構成方法、およびｘ線ｃｔ装置

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JP2007098025A5 JP2007098025A5 (enExample) 2010-07-01
JP4611168B2 true JP4611168B2 (ja) 2011-01-12

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US (1) US7639772B2 (enExample)
JP (1) JP4611168B2 (enExample)
KR (1) KR20070038922A (enExample)
CN (1) CN1945630B (enExample)
DE (1) DE102006047730B4 (enExample)
NL (1) NL1032638C2 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8018489B2 (en) * 2005-02-04 2011-09-13 Mccutchen David Surveillance system
US20070126867A1 (en) * 2005-12-02 2007-06-07 Mccutchen David High resolution surveillance camera
US20080008372A1 (en) * 2006-07-07 2008-01-10 General Electric Company A method and system for reducing artifacts in a tomosynthesis imaging system
JP5525706B2 (ja) * 2007-07-25 2014-06-18 株式会社東芝 Ｘ線コンピュータ断層撮影装置
JP5501559B2 (ja) * 2007-10-26 2014-05-21 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ｃｔ装置および画像補正方法
EP2411965B1 (en) * 2009-03-26 2016-01-13 Koninklijke Philips N.V. Method and apparatus for computed tomography image reconstruction
DE102011076348B4 (de) * 2011-05-24 2014-02-13 Siemens Aktiengesellschaft Verfahren und Computertomographiesystem zur Erzeugung tomographischer Bilddatensätze
DE102012202499A1 (de) * 2012-02-17 2013-08-22 Siemens Aktiengesellschaft Computertomograph und Verfahren zur Aufzeichnung von Bilddaten eines abzubildenden Volumens
DE102012204019B4 (de) * 2012-03-14 2018-02-08 Siemens Healthcare Gmbh Verfahren zur Reduzierung von Bewegungsartefakten
JP6238303B2 (ja) * 2012-04-10 2017-11-29 国立大学法人 東京大学 Ｘ線投影像補正装置及びｘ線投影像補正方法
JP5528518B2 (ja) * 2012-09-28 2014-06-25 富士フイルム株式会社 放射線画像生成装置および方法
US9091628B2 (en) 2012-12-21 2015-07-28 L-3 Communications Security And Detection Systems, Inc. 3D mapping with two orthogonal imaging views
EP2997545A1 (en) * 2013-05-14 2016-03-23 Koninklijke Philips N.V. Artifact-reduction for x-ray image reconstruction using a geometry-matched coordinate grid
DE102013214689B4 (de) * 2013-07-26 2023-08-24 Siemens Healthcare Gmbh Verfahren zur Reduzierung von Artefakten in Bilddatensätzen und Recheneinrichtung
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
JP6243296B2 (ja) * 2014-05-30 2017-12-06 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プログラム
CN106471392B (zh) * 2014-07-04 2019-02-15 株式会社岛津制作所 图像重构处理方法
CN105575455B (zh) * 2015-12-14 2017-11-21 天津三英精密仪器有限公司 一种x射线衰减器设计方法和应用以及利用该方法设计的带有衰减器的ct装置
CN105608282B (zh) * 2015-12-31 2018-09-11 重庆真测科技股份有限公司 一种射线滤波片设计方法
US10417793B2 (en) * 2017-03-23 2019-09-17 Wisconsin Alumni Research Foundation System and method for data-consistency preparation and image reconstruction
CN107845121B (zh) * 2017-11-03 2021-11-23 中国工程物理研究院应用电子学研究所 一种探测器偏置扫描中加权伪影的校正方法
US10964074B2 (en) 2019-01-28 2021-03-30 Wisconsin Alumni Research Foundation System for harmonizing medical image presentation
CN111462266B (zh) * 2020-03-20 2023-08-04 北京东软医疗设备有限公司 图像重建方法、装置、ct设备及ct系统

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734988A (en) 1986-02-25 1988-04-05 General Electric Company Method of aligning a collimator to a linear array X-ray detector
US5414623A (en) * 1992-05-08 1995-05-09 Iowa State University Research Foundation Optoelectronic system for implementation of iterative computer tomography algorithms
US5377250A (en) * 1992-08-07 1994-12-27 General Electric Company Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array
JPH09238935A (ja) * 1996-03-06 1997-09-16 Ge Yokogawa Medical Syst Ltd Ｘ線ｃｔ装置および画像生成方法
US5864598A (en) 1997-04-21 1999-01-26 General Electric Company Methods and apparatus for scanning an object in a computed tomography system
DE19721535C2 (de) * 1997-05-22 2001-09-06 Siemens Ag Röntgen-Computertomograph zur Erzeugung von Röntgenschattenbildern
US6061419A (en) * 1998-08-25 2000-05-09 General Electric Company Methods and apparatus for noise compensation in an imaging system
US6343108B1 (en) * 1999-06-18 2002-01-29 Philips Medical Systems (Cleveland), Inc. Cone beam scanner using oblique surface reconstructions
US6256365B1 (en) * 1999-08-16 2001-07-03 Analogic Corporation Apparatus and method for reconstruction of images in a computed tomography system using oblique slices
US6272200B1 (en) * 1999-07-28 2001-08-07 Arch Development Corporation Fourier and spline-based reconstruction of helical CT images
US6987831B2 (en) 1999-11-18 2006-01-17 University Of Rochester Apparatus and method for cone beam volume computed tomography breast imaging
JP3977972B2 (ja) * 1999-12-13 2007-09-19 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 断層撮影用スキャン条件決定方法、断層撮影方法およびｘ線ｃｔ装置
US6332013B1 (en) * 1999-12-28 2001-12-18 General Electric Company Methods and apparatus for tilted helical reconstruction multislice CT
JP4130055B2 (ja) * 2000-08-31 2008-08-06 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 加算断層画像作成方法およびｘ線ｃｔ装置
US6587539B2 (en) * 2001-03-13 2003-07-01 Shimadzu Corporation Radiographic apparatus
JP2002320609A (ja) 2001-04-26 2002-11-05 Hitachi Medical Corp Ｘ線ｃｔ装置
US20030016781A1 (en) 2001-05-18 2003-01-23 Huang Wen C. Method and apparatus for quantitative stereo radiographic image analysis
JP2003033418A (ja) 2001-07-25 2003-02-04 Matsushita Electric Works Ltd 浴室スチ−ムサウナ及び暖房、乾燥装置
JP2003159244A (ja) 2001-09-17 2003-06-03 Ge Medical Systems Global Technology Co Llc 画像再構成方法およびｘ線ｃｔ装置
US6885764B2 (en) * 2001-11-21 2005-04-26 Ge Medical Systems Global Technology Company, Llc High Speed Z-smoothing method and apparatus for CT imaging system
JP4106251B2 (ja) 2002-03-12 2008-06-25 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 ３次元逆投影方法およびｘ線ｃｔ装置
US6647095B2 (en) * 2002-04-02 2003-11-11 Ge Medical Systems Global Technology Co., Llc Method and apparatus for optimizing dosage to scan subject
JP3950782B2 (ja) 2002-05-22 2007-08-01 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 ３次元逆投影方法およびｘ線ｃｔ装置
JP4363618B2 (ja) 2002-05-22 2009-11-11 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ｃｔ画像再構成計算方法およびｘ線ｃｔ装置
JP2004021674A (ja) 2002-06-18 2004-01-22 Hitachi Ltd Ｃａｄ図面における端子台ケーブル情報の照合方法及びシステム
JP4030827B2 (ja) 2002-08-13 2008-01-09 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 投影データ作成方法、画素データ作成方法およびマルチ検出器ｘ線ｃｔ装置
JP4261864B2 (ja) * 2002-10-07 2009-04-30 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 データ補正方法およびｘ線ｃｔ装置
US6904117B2 (en) * 2002-10-30 2005-06-07 Toshiba Corporation Tilted gantry helical cone-beam Feldkamp reconstruction for multislice CT
US6647084B1 (en) * 2002-11-11 2003-11-11 Ge Medical Systems Global Technology Company, Llc Method and apparatus for filtering projection data of a helical scan
US6845144B2 (en) 2003-02-08 2005-01-18 Ge Medical Systems Global Technology Company, Llc Three dimensional back projection method and an X-ray CT apparatus
US6977984B2 (en) * 2003-10-07 2005-12-20 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for dynamical helical scanned image production
JP4091008B2 (ja) * 2004-03-09 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 Ｃｔ画像生成方法およびｘ線ｃｔ装置
US20050226365A1 (en) * 2004-03-30 2005-10-13 Kabushiki Kaisha Toshiba Radius-in-image dependent detector row filtering for windmill artifact reduction
JP2006129975A (ja) * 2004-11-04 2006-05-25 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびｘ線ｃｔ撮影方法

Also Published As

Publication number Publication date
CN1945630B (zh) 2010-06-09
US20070121779A1 (en) 2007-05-31
NL1032638C2 (nl) 2007-11-23
US7639772B2 (en) 2009-12-29
DE102006047730A1 (de) 2007-05-24
KR20070038922A (ko) 2007-04-11
CN1945630A (zh) 2007-04-11
DE102006047730B4 (de) 2010-01-07
NL1032638A1 (nl) 2007-04-11
JP2007098025A (ja) 2007-04-19

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