CN103054599B - X射线ct装置及x射线ct装置的动作方法 - Google Patents

X射线ct装置及x射线ct装置的动作方法 Download PDF

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Publication number
CN103054599B
CN103054599B CN201210397486.8A CN201210397486A CN103054599B CN 103054599 B CN103054599 B CN 103054599B CN 201210397486 A CN201210397486 A CN 201210397486A CN 103054599 B CN103054599 B CN 103054599B
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mrow
data
computed tomography
ray computed
ray
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CN103054599A (zh
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A·扎米亚京
T·拉博
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Canon Medical Systems Corp
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Toshiba Corp
Toshiba Medical Systems Corp
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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
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201210397486.8A 2011-10-18 2012-10-18 X射线ct装置及x射线ct装置的动作方法 Active CN103054599B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/275,814 2011-10-18
US13/275,814 US8724876B2 (en) 2011-10-18 2011-10-18 Method and system for substantially reducing streak artifacts in helical cone beam computer tomography (CT)

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CN103054599A CN103054599A (zh) 2013-04-24
CN103054599B true CN103054599B (zh) 2015-04-08

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US (1) US8724876B2 (enExample)
JP (1) JP6139091B2 (enExample)
CN (1) CN103054599B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9895124B2 (en) 2013-07-26 2018-02-20 Hitachi, Ltd. X-ray CT apparatus and image reconstruction method
WO2016017385A1 (ja) * 2014-07-29 2016-02-04 株式会社 日立メディコ 磁気共鳴イメージング装置および画像再構成方法
WO2016080311A1 (ja) * 2014-11-21 2016-05-26 株式会社日立製作所 Ｘ線ｃｔ装置、投影データのアップサンプリング方法、及び画像再構成方法
JP6833467B2 (ja) * 2016-11-15 2021-02-24 キヤノンメディカルシステムズ株式会社 Ｘ線コンピュータ断層撮影装置
CN107157504B (zh) * 2017-05-31 2022-01-25 上海联影医疗科技股份有限公司 一种螺旋ct扫描的控制方法
JP7077208B2 (ja) * 2018-11-12 2022-05-30 富士フイルムヘルスケア株式会社 画像再構成装置および画像再構成方法
CN111000578B (zh) * 2019-12-25 2023-05-02 东软医疗系统股份有限公司 图像重建方法、装置、ct设备及ct系统
CN113192155B (zh) * 2021-02-04 2023-09-26 南京安科医疗科技有限公司 螺旋ct锥束扫描图像重建方法、扫描系统及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351514B1 (en) * 2000-06-22 2002-02-26 Ge Medical Systems Global Technology Company, Llc Slice-adaptive multislice helical weighting for computed tomography imaging
US6463118B2 (en) * 2000-12-29 2002-10-08 Ge Medical Systems Global Technology Company, Llc Computed tomography (CT) weighting for high quality image recontruction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4155529B2 (ja) * 1997-02-17 2008-09-24 株式会社東芝 Ｘ線ｃｔ装置
US6917663B2 (en) * 2003-06-16 2005-07-12 Kabushiki Kaisha Toshiba Cone-beam reconstruction apparatus and computed tomography apparatus
US7269244B2 (en) * 2006-01-25 2007-09-11 General Electric Company Methods and apparatus for generating thick images in cone beam volumetric CT
US8175218B2 (en) * 2007-10-29 2012-05-08 Kabushiki Kaisha Toshiba Interpolation interlacing based data upsampling algorithm for cone-beam x-ray CT flying focal spot projection data
US8385620B2 (en) * 2007-11-02 2013-02-26 Kabushiki Kaisha Toshiba Method and system for multi-detector-row computed tomography utilizing projection data up-sampling with shift
US8494111B2 (en) 2007-11-02 2013-07-23 Kabushiki Kaisha Toshiba System and method for image reconstruction for helical cone beam computed tomography with factorized redundancy weighting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351514B1 (en) * 2000-06-22 2002-02-26 Ge Medical Systems Global Technology Company, Llc Slice-adaptive multislice helical weighting for computed tomography imaging
US6463118B2 (en) * 2000-12-29 2002-10-08 Ge Medical Systems Global Technology Company, Llc Computed tomography (CT) weighting for high quality image recontruction

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US20130094736A1 (en) 2013-04-18
JP2013085956A (ja) 2013-05-13
CN103054599A (zh) 2013-04-24
US8724876B2 (en) 2014-05-13
JP6139091B2 (ja) 2017-05-31

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Effective date of registration: 20160803

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Patentee after: Toshiba Medical System Co., Ltd.

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Patentee before: Toshiba Corp

Patentee before: Toshiba Medical System Co., Ltd.